Merge pull request #213 from revel/hotfix/v1.1.0

Fixed run mode for verbose

.gitignore

@@ -1,3 +1,3 @@
 .idea/
 *.iml
-
+.temp/

.travis.yml

@@ -1,7 +1,6 @@
 language: go
 
 go:
-  - "1.12.x"
   - "1.13.x"
   - "1.14.x"
   - "tip"

.vscode/launch.json

@@ -0,0 +1,50 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Help",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${workspaceRoot}/revel",
+            "args": []
+        },
+        {
+            "name": "Create new",
+            "type": "go",
+            "request": "launch",
+            "preLaunchTask": "Clean-Test-Project",
+            "mode": "auto",
+            "program": "${workspaceRoot}/revel",
+            "args": ["new", "-v","-a", "${workspaceRoot}/.temp/revel/reveltest", "-p","revel.com/testproject"],
+            "env": {
+                "GOPATH": "${workspaceRoot}/.temp/revel/GOPATH"
+              },            
+        },
+        {
+            "name": "Run program",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${workspaceRoot}/revel",
+            "args": ["run","-v", "-v","-a", "${workspaceRoot}/.temp/revel/reveltest"],
+            "env": {
+                "GOPATH": "${workspaceRoot}/.temp/revel/GOPATH"
+              },            
+        },
+        {
+            "name": "Run program Directly",
+            "type": "go",
+            "request": "launch",
+            "mode": "auto",
+            "program": "${workspaceRoot}/.temp/revel/reveltest/app/tmp/main.go",
+            "args": ["-port=9000","-importPath=revel.com/testproject/reveltest", "-runMode={\"mode\":\"dev\", \"specialUseFlag\":true,\"packagePathMap\":{\"github.com/revel/modules/static\":\"/home/notzippy/go/pkg/mod/github.com/revel/modules@v1.0.0/static\",\"github.com/revel/modules/testrunner\":\"/home/notzippy/go/pkg/mod/github.com/revel/modules@v1.0.0/testrunner\",\"github.com/revel/revel\":\"/home/notzippy/go/pkg/mod/github.com/revel/revel@v1.0.0\",\"revel.com/testproject/reveltest\":\"/mnt/DevSystem/Work/Workareas/revel/revel3/cmd/.temp/revel/reveltest\"}}"],
+            "env": {
+                "GOPATH": "${workspaceRoot}/.temp/revel/GOPATH"
+              },            
+        }
+    ]
+}

.vscode/load.sh

@@ -0,0 +1 @@
+http_load -rate 5 -seconds 10 load.web

.vscode/load.web

@@ -0,0 +1,2 @@
+http://localhost:9000/
+http://localhost:9000/miss

.vscode/tasks.json

@@ -0,0 +1,20 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Clean-Test-Project",
+            "type": "shell",
+            "command": "rm -rf ${workspaceRoot}/.temp/revel/testproject"
+        },
+        {
+            "label": "Update Go Mod",
+            "type": "shell",
+            "options": {
+                "cwd": "${workspaceRoot}/.temp/revel/testproject"
+            },
+            "command": "go mod tidy && go mod edit -replace github.com/revel/revel => ../../../revel"
+        },
+    ]
+} 

README.md

@@ -11,7 +11,7 @@ Provides the `revel` command, used to create and run Revel apps.
 Install
 ------------
 ```bash
-go get -u github.com/revel/cmd/revel
+go install github.com/revel/cmd/revel@latest
 ```
 
 New Application
@@ -19,7 +19,7 @@ New Application
 
 Create a new application
 ```commandline
-revel new my/app
+revel new -a my/app
 ```
 
 ## Community

go.mod

@@ -1,30 +1,35 @@
 module github.com/revel/cmd
 
-go 1.12
+go 1.17
 
 require (
-	github.com/BurntSushi/toml v0.3.1 // indirect
+	github.com/BurntSushi/toml v1.0.0 // indirect
 	github.com/agtorre/gocolorize v1.0.0
-	github.com/fsnotify/fsnotify v1.4.7
-	github.com/inconshreveable/log15 v0.0.0-20200109203555-b30bc20e4fd1 // indirect
+	github.com/davecgh/go-spew v1.1.0 // indirect
+	github.com/fsnotify/fsnotify v1.4.9
+	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/inconshreveable/log15 v0.0.0-20201112154412-8562bdadbbac // indirect
 	github.com/jessevdk/go-flags v1.4.0
-	github.com/mattn/go-colorable v0.1.6
+	github.com/mattn/go-colorable v0.1.8
+	github.com/mattn/go-isatty v0.0.14 // indirect
 	github.com/myesui/uuid v1.0.0 // indirect
 	github.com/pkg/errors v0.9.1
-	github.com/revel/config v0.21.0
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/revel/config v1.0.0
 	github.com/revel/log15 v2.11.20+incompatible
-	github.com/revel/modules v0.21.0 // indirect
 	github.com/revel/pathtree v0.0.0-20140121041023-41257a1839e9 // indirect
-	github.com/revel/revel v0.21.0
-	github.com/stretchr/testify v1.4.0
+	github.com/revel/revel v1.0.0
+	github.com/stretchr/testify v1.7.0
 	github.com/twinj/uuid v1.0.0 // indirect
 	github.com/xeonx/timeago v1.0.0-rc4 // indirect
-	golang.org/x/net v0.0.0-20200501053045-e0ff5e5a1de5 // indirect
-	golang.org/x/sys v0.0.0-20200501145240-bc7a7d42d5c3 // indirect
-	golang.org/x/tools v0.0.0-20200219054238-753a1d49df85
-	gopkg.in/fsnotify/fsnotify.v1 v1.4.7
-	gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22
+	golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3 // indirect
+	golang.org/x/net v0.0.0-20211015210444-4f30a5c0130f // indirect
+	golang.org/x/sys v0.0.0-20211019181941-9d821ace8654 // indirect
+	golang.org/x/tools v0.1.10
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0
 	gopkg.in/stack.v0 v0.0.0-20141108040640-9b43fcefddd0
 	gopkg.in/stretchr/testify.v1 v1.2.2 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
 )

go.sum

@@ -1,60 +1,86 @@
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 github.com/agtorre/gocolorize v1.0.0 h1:TvGQd+fAqWQlDjQxSKe//Y6RaxK+RHpEU9X/zPmHW50=
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-golang.org/x/tools v0.0.0-20200219054238-753a1d49df85/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
+golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
+golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
+golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.1.10 h1:QjFRCZxdOhBJ/UNgnBZLbNV13DlbnK0quyivTnXJM20=
+golang.org/x/tools v0.1.10/go.mod h1:Uh6Zz+xoGYZom868N8YTex3t7RhtHDBrE8Gzo9bV56E=
+golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/fsnotify/fsnotify.v1 v1.4.7/go.mod h1:Fyux9zXlo4rWoMSIzpn9fDAYjalPqJ/K1qJ27s+7ltE=
-gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0 h1:1Lc07Kr7qY4U2YPouBjpCLxpiyxIVoxqXgkXLknAOE8=
 gopkg.in/natefinch/lumberjack.v2 v2.0.0/go.mod h1:l0ndWWf7gzL7RNwBG7wST/UCcT4T24xpD6X8LsfU/+k=
 gopkg.in/stack.v0 v0.0.0-20141108040640-9b43fcefddd0 h1:lMH45EKqD8Nf6LwoF+43YOKjOAEEHQRVgDyG8RCV4MU=
 gopkg.in/stack.v0 v0.0.0-20141108040640-9b43fcefddd0/go.mod h1:kl/bNzW/jgTgUOCGDj3XPn9/Hbfhw6pjfBRUnaTioFQ=
+gopkg.in/stretchr/testify.v1 v1.2.2 h1:yhQC6Uy5CqibAIlk1wlusa/MJ3iAN49/BsR/dCCKz3M=
 gopkg.in/stretchr/testify.v1 v1.2.2/go.mod h1:QI5V/q6UbPmuhtm10CaFZxED9NreB8PnFYN9JcR6TxU=
-gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
-gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
+gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
+gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

harness/app.go

@@ -6,19 +6,28 @@ package harness
 
 import (
 	"bytes"
-	"errors"
 	"fmt"
 	"io"
 	"os"
 	"os/exec"
-	"time"
 	"sync"
+	"sync/atomic"
+	"time"
 
 	"github.com/revel/cmd/model"
 	"github.com/revel/cmd/utils"
-	"runtime"
 )
 
+// Error is used for constant errors.
+type Error string
+
+// Error implements the error interface.
+func (e Error) Error() string {
+	return string(e)
+}
+
+const ErrTimedOut Error = "app timed out"
+
 // App contains the configuration for running a Revel app.  (Not for the app itself)
 // Its only purpose is constructing the command to execute.
 type App struct {
@@ -29,9 +38,9 @@ type App struct {
 	Paths          *model.RevelContainer
 }
 
-// NewApp returns app instance with binary path in it
+// NewApp returns app instance with binary path in it.
 func NewApp(binPath string, paths *model.RevelContainer, packagePathMap map[string]string) *App {
-	return &App{BinaryPath: binPath, Paths: paths, Port: paths.HTTPPort, PackagePathMap:packagePathMap}
+	return &App{BinaryPath: binPath, Paths: paths, Port: paths.HTTPPort, PackagePathMap: packagePathMap}
 }
 
 // Cmd returns a command to run the app server using the current configuration.
@@ -51,7 +60,7 @@ type AppCmd struct {
 	*exec.Cmd
 }
 
-// NewAppCmd returns the AppCmd with parameters initialized for running app
+// NewAppCmd returns the AppCmd with parameters initialized for running app.
 func NewAppCmd(binPath string, port int, runMode string, paths *model.RevelContainer) AppCmd {
 	cmd := exec.Command(binPath,
 		fmt.Sprintf("-port=%d", port),
@@ -65,6 +74,7 @@ func NewAppCmd(binPath string, port int, runMode string, paths *model.RevelConta
 func (cmd AppCmd) Start(c *model.CommandConfig) error {
 	listeningWriter := &startupListeningWriter{os.Stdout, make(chan bool), c, &bytes.Buffer{}}
 	cmd.Stdout = listeningWriter
+	cmd.Stderr = listeningWriter
 	utils.CmdInit(cmd.Cmd, !c.Vendored, c.AppPath)
 	utils.Logger.Info("Exec app:", "path", cmd.Path, "args", cmd.Args, "dir", cmd.Dir, "env", cmd.Env)
 	if err := cmd.Cmd.Start(); err != nil {
@@ -74,26 +84,28 @@ func (cmd AppCmd) Start(c *model.CommandConfig) error {
 	select {
 	case exitState := <-cmd.waitChan():
 		fmt.Println("Startup failure view previous messages, \n Proxy is listening :", c.Run.Port)
-		err := utils.NewError("", "Revel Run Error", "starting your application there was an exception. See terminal output, " + exitState, "")
-	// TODO pretiffy command line output
-	// err.MetaError = listeningWriter.getLastOutput()
+		err := utils.NewError("", "Revel Run Error", "starting your application there was an exception. See terminal output, "+exitState, "")
+		atomic.SwapInt32(&startupError, 1)
+		// TODO pretiffy command line output
+		err.Stack = listeningWriter.buffer.String()
 		return err
 
 	case <-time.After(60 * time.Second):
 		println("Revel proxy is listening, point your browser to :", c.Run.Port)
 		utils.Logger.Error("Killing revel server process did not respond after wait timeout.", "processid", cmd.Process.Pid)
 		cmd.Kill()
-		return errors.New("revel/harness: app timed out")
+
+		return fmt.Errorf("revel/harness: %w", ErrTimedOut)
 
 	case <-listeningWriter.notifyReady:
 		println("Revel proxy is listening, point your browser to :", c.Run.Port)
 		return nil
 	}
-
 }
 
 // Run the app server inline.  Never returns.
-func (cmd AppCmd) Run() {
+func (cmd AppCmd) Run(c *model.CommandConfig) {
+	utils.CmdInit(cmd.Cmd, !c.Vendored, c.AppPath)
 	utils.Logger.Info("Exec app:", "path", cmd.Path, "args", cmd.Args)
 	if err := cmd.Cmd.Run(); err != nil {
 		utils.Logger.Fatal("Error running:", "error", err)
@@ -102,11 +114,10 @@ func (cmd AppCmd) Run() {
 
 // Kill terminates the app server if it's running.
 func (cmd AppCmd) Kill() {
-
 	if cmd.Cmd != nil && (cmd.ProcessState == nil || !cmd.ProcessState.Exited()) {
 		// Windows appears to send the kill to all threads, shutting down the
 		// server before this can, this check will ensure the process is still running
-		if _, err := os.FindProcess(int(cmd.Process.Pid)); err != nil {
+		if _, err := os.FindProcess(cmd.Process.Pid); err != nil {
 			// Server has already exited
 			utils.Logger.Info("Server not running revel server pid", "pid", cmd.Process.Pid)
 			return
@@ -134,11 +145,8 @@ func (cmd AppCmd) Kill() {
 
 		// Send an interrupt signal to allow for a graceful shutdown
 		utils.Logger.Info("Killing revel server pid", "pid", cmd.Process.Pid)
-		var err error
-		if runtime.GOOS != "windows" {
-			// os.Interrupt is not available on windows
-			err = cmd.Process.Signal(os.Interrupt)
-		}
+
+		err := cmd.Process.Signal(os.Interrupt)
 
 		if err != nil {
 			utils.Logger.Info(
@@ -148,14 +156,13 @@ func (cmd AppCmd) Kill() {
 			return
 		}
 
-
 		// Use a timer to ensure that the process exits
 		utils.Logger.Info("Waiting to exit")
 		select {
 		case <-ch:
 			return
 		case <-time.After(60 * time.Second):
-		// Kill the process
+			// Kill the process
 			utils.Logger.Error(
 				"Revel app failed to exit in 60 seconds - killing.",
 				"processid", cmd.Process.Pid,
@@ -192,7 +199,7 @@ type startupListeningWriter struct {
 	buffer      *bytes.Buffer
 }
 
-// Writes to this output stream
+// Writes to this output stream.
 func (w *startupListeningWriter) Write(p []byte) (int, error) {
 	if w.notifyReady != nil && bytes.Contains(p, []byte("Revel engine is listening on")) {
 		w.notifyReady <- true
@@ -209,10 +216,3 @@ func (w *startupListeningWriter) Write(p []byte) (int, error) {
 	}
 	return w.dest.Write(p)
 }
-
-// Returns the cleaned output from the response
-// TODO clean the response more
-func (w *startupListeningWriter) getLastOutput() string {
-	return w.buffer.String()
-}
-

harness/build.go

@@ -19,22 +19,25 @@ import (
 	"time"
 
 	"github.com/revel/cmd/model"
-	_ "github.com/revel/cmd/parser"
-	"github.com/revel/cmd/utils"
-	"github.com/revel/cmd/parser2"
 	"github.com/revel/cmd/parser"
+	"github.com/revel/cmd/parser2"
+	"github.com/revel/cmd/utils"
 )
 
 var importErrorPattern = regexp.MustCompile("cannot find package \"([^\"]+)\"")
+var importErrorPattern2 = regexp.MustCompile("no required module provides package ([^;]+)+")
+var addPackagePattern = regexp.MustCompile(`to add:\n\tgo get (.*)\n`)
 
 type ByString []*model.TypeInfo
 
 func (c ByString) Len() int {
 	return len(c)
 }
+
 func (c ByString) Swap(i, j int) {
 	c[i], c[j] = c[j], c[i]
 }
+
 func (c ByString) Less(i, j int) bool {
 	return c[i].String() < c[j].String()
 }
@@ -155,21 +158,21 @@ func Build(c *model.CommandConfig, paths *model.RevelContainer) (_ *App, err err
 				"build",
 				"-ldflags", versionLinkerFlags,
 				"-tags", buildTags,
-				"-o", binName}
+				"-o", binName,
+			}
 		} else {
 			if !contains(c.BuildFlags, "build") {
 				flags = []string{"build"}
 			}
-			flags = append(flags, c.BuildFlags...)
 			if !contains(flags, "-ldflags") {
 				ldflags := "-ldflags= " + versionLinkerFlags
-				// Add in build flags
+				// Add user defined build flags
 				for i := range c.BuildFlags {
-					ldflags += "-X '" + c.BuildFlags[i] + "'"
+					ldflags += " -X '" + c.BuildFlags[i] + "'"
 				}
 				flags = append(flags, ldflags)
 			}
-			if !contains(flags, "-tags") {
+			if !contains(flags, "-tags") && buildTags != "" {
 				flags = append(flags, "-tags", buildTags)
 			}
 			if !contains(flags, "-o") {
@@ -177,9 +180,6 @@ func Build(c *model.CommandConfig, paths *model.RevelContainer) (_ *App, err err
 			}
 		}
 
-		// Add in build flags
-		flags = append(flags, c.BuildFlags...)
-
 		// Note: It's not applicable for filepath.* usage
 		flags = append(flags, path.Join(paths.ImportPath, "app", "tmp"))
 
@@ -192,7 +192,7 @@ func Build(c *model.CommandConfig, paths *model.RevelContainer) (_ *App, err err
 			}
 
 			buildCmd.Env = append(os.Environ(),
-				"GOPATH=" + gopath,
+				"GOPATH="+gopath,
 			)
 		}
 		utils.CmdInit(buildCmd, !c.Vendored, c.AppPath)
@@ -212,6 +212,13 @@ func Build(c *model.CommandConfig, paths *model.RevelContainer) (_ *App, err err
 
 		// See if it was an import error that we can go get.
 		matches := importErrorPattern.FindAllStringSubmatch(stOutput, -1)
+		if matches == nil {
+			matches = importErrorPattern2.FindAllStringSubmatch(stOutput, -1)
+		}
+		if matches == nil {
+			matches = addPackagePattern.FindAllStringSubmatch(stOutput, -1)
+
+		}
 		utils.Logger.Info("Build failed checking for missing imports", "message", stOutput, "missing_imports", len(matches))
 		if matches == nil {
 			utils.Logger.Info("Build failed no missing imports", "message", stOutput)
@@ -228,6 +235,7 @@ func Build(c *model.CommandConfig, paths *model.RevelContainer) (_ *App, err err
 			}
 			gotten[pkgName] = struct{}{}
 			if err := c.PackageResolver(pkgName); err != nil {
+				panic("failed to resolve")
 				utils.Logger.Error("Unable to resolve package", "package", pkgName, "error", err)
 				return nil, newCompileError(paths, []byte(err.Error()))
 			}
@@ -236,9 +244,7 @@ func Build(c *model.CommandConfig, paths *model.RevelContainer) (_ *App, err err
 		// Success getting the import, attempt to build again.
 	}
 
-	// TODO remove this unreachable code and document it
-	utils.Logger.Fatal("Not reachable")
-	return nil, nil
+	// unreachable
 }
 
 // Try to define a version string for the compiled app
@@ -260,10 +266,9 @@ func getAppVersion(paths *model.RevelContainer) string {
 		if (err != nil && os.IsNotExist(err)) || !info.IsDir() {
 			return ""
 		}
-		gitCmd := exec.Command(gitPath, "--git-dir=" + gitDir, "--work-tree=" + paths.BasePath, "describe", "--always", "--dirty")
+		gitCmd := exec.Command(gitPath, "--git-dir="+gitDir, "--work-tree="+paths.BasePath, "describe", "--always", "--dirty")
 		utils.Logger.Info("Exec:", "args", gitCmd.Args)
 		output, err := gitCmd.Output()
-
 		if err != nil {
 			utils.Logger.Error("Cannot determine git repository version:", "error", err)
 			return ""
@@ -321,7 +326,6 @@ func cleanDir(paths *model.RevelContainer, dir string) {
 // genSource renders the given template to produce source code, which it writes
 // to the given directory and file.
 func genSource(paths *model.RevelContainer, dir, filename, templateSource string, args map[string]interface{}) error {
-
 	return utils.GenerateTemplate(filepath.Join(paths.AppPath, dir, filename), templateSource, args)
 }
 
@@ -357,17 +361,16 @@ func calcImportAliases(src *model.SourceInfo) map[string]string {
 	return aliases
 }
 
-// Adds an alias to the map of alias names
+// Adds an alias to the map of alias names.
 func addAlias(aliases map[string]string, importPath, pkgName string) {
-	alias, ok := aliases[importPath]
+	_, ok := aliases[importPath]
 	if ok {
 		return
 	}
-	alias = makePackageAlias(aliases, pkgName)
-	aliases[importPath] = alias
+	aliases[importPath] = makePackageAlias(aliases, pkgName)
 }
 
-// Generates a package alias
+// Generates a package alias.
 func makePackageAlias(aliases map[string]string, pkgName string) string {
 	i := 0
 	alias := pkgName
@@ -378,7 +381,7 @@ func makePackageAlias(aliases map[string]string, pkgName string) string {
 	return alias
 }
 
-// Returns true if this value is in the map
+// Returns true if this value is in the map.
 func containsValue(m map[string]string, val string) bool {
 	for _, v := range m {
 		if v == val {
@@ -425,13 +428,12 @@ func newCompileError(paths *model.RevelContainer, output []byte) *utils.SourceEr
 		return newPath
 	}
 
-
 	// Read the source for the offending file.
 	var (
-		relFilename = string(errorMatch[1]) // e.g. "src/revel/sample/app/controllers/app.go"
-		absFilename = findInPaths(relFilename)
-		line, _ = strconv.Atoi(string(errorMatch[2]))
-		description = string(errorMatch[4])
+		relFilename  = string(errorMatch[1]) // e.g. "src/revel/sample/app/controllers/app.go"
+		absFilename  = findInPaths(relFilename)
+		line, _      = strconv.Atoi(string(errorMatch[2]))
+		description  = string(errorMatch[4])
 		compileError = &utils.SourceError{
 			SourceType:  "Go code",
 			Title:       "Go Compilation Error",
@@ -450,7 +452,7 @@ func newCompileError(paths *model.RevelContainer, output []byte) *utils.SourceEr
 	fileStr, err := utils.ReadLines(absFilename)
 	if err != nil {
 		compileError.MetaError = absFilename + ": " + err.Error()
-		utils.Logger.Info("Unable to readlines " + compileError.MetaError, "error", err)
+		utils.Logger.Info("Unable to readlines "+compileError.MetaError, "error", err)
 		return compileError
 	}
 
@@ -458,7 +460,7 @@ func newCompileError(paths *model.RevelContainer, output []byte) *utils.SourceEr
 	return compileError
 }
 
-// RevelMainTemplate template for app/tmp/main.go
+// RevelMainTemplate template for app/tmp/run/run.go.
 const RevelRunTemplate = `// GENERATED CODE - DO NOT EDIT
 // This file is the run file for Revel.
 // It registers all the controllers and provides details for the Revel server engine to
@@ -513,6 +515,7 @@ func Register() {
 	}
 }
 `
+
 const RevelMainTemplate = `// GENERATED CODE - DO NOT EDIT
 // This file is the main file for Revel.
 // It registers all the controllers and provides details for the Revel server engine to
@@ -540,7 +543,7 @@ func main() {
 }
 `
 
-// RevelRoutesTemplate template for app/conf/routes
+// RevelRoutesTemplate template for app/conf/routes.
 const RevelRoutesTemplate = `// GENERATED CODE - DO NOT EDIT
 // This file provides a way of creating URL's based on all the actions
 // found in all the controllers.

harness/harness.go

@@ -15,10 +15,13 @@ package harness
 
 import (
 	"crypto/tls"
+	"encoding/json"
+	"errors"
 	"fmt"
-	"time"
 	"go/build"
+	"html/template"
 	"io"
+	"io/ioutil"
 	"net"
 	"net/http"
 	"net/http/httputil"
@@ -27,21 +30,21 @@ import (
 	"os/signal"
 	"path/filepath"
 	"strings"
+	"sync"
 	"sync/atomic"
+	"time"
 
 	"github.com/revel/cmd/model"
 	"github.com/revel/cmd/utils"
 	"github.com/revel/cmd/watcher"
-	"html/template"
-	"io/ioutil"
-	"sync"
-	"encoding/json"
 )
 
 var (
 	doNotWatch = []string{"tmp", "views", "routes"}
 
 	lastRequestHadError int32
+	startupError        int32
+	startupErrorText    error
 )
 
 // Harness reverse proxies requests to the application server.
@@ -57,7 +60,6 @@ type Harness struct {
 	paths      *model.RevelContainer  // The Revel container
 	config     *model.CommandConfig   // The configuration
 	runMode    string                 // The runmode the harness is running in
-	isError    bool                   // True if harness is in error state
 	ranOnce    bool                   // True app compiled once
 }
 
@@ -70,6 +72,7 @@ func (h *Harness) renderError(iw http.ResponseWriter, ir *http.Request, err erro
 	if err == nil {
 		utils.Logger.Panic("Caller passed in a nil error")
 	}
+
 	templateSet := template.New("__root__")
 	seekViewOnPath := func(view string) (path string) {
 		path = filepath.Join(h.paths.ViewsPath, "errors", view)
@@ -87,26 +90,27 @@ func (h *Harness) renderError(iw http.ResponseWriter, ir *http.Request, err erro
 		}
 		return
 	}
+
 	target := []string{seekViewOnPath("500.html"), seekViewOnPath("500-dev.html")}
 	if !utils.Exists(target[0]) {
 		fmt.Fprintf(iw, "Target template not found not found %s<br />\n", target[0])
-		fmt.Fprintf(iw, "An error ocurred %s", err.Error())
+		fmt.Fprintf(iw, "An error occurred %s", err.Error())
 		return
 	}
+
 	var revelError *utils.SourceError
-	switch e := err.(type) {
-	case *utils.SourceError:
-		revelError = e
-	case error:
+
+	if !errors.As(err, &revelError) {
 		revelError = &utils.SourceError{
 			Title:       "Server Error",
-			Description: e.Error(),
+			Description: err.Error(),
 		}
 	}
 
 	if revelError == nil {
 		panic("no error provided")
 	}
+
 	viewArgs := map[string]interface{}{}
 	viewArgs["RunMode"] = h.paths.RunMode
 	viewArgs["DevMode"] = h.paths.DevMode
@@ -156,11 +160,11 @@ func (h *Harness) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 func NewHarness(c *model.CommandConfig, paths *model.RevelContainer, runMode string, noProxy bool) *Harness {
 	// Get a template loader to render errors.
 	// Prefer the app's views/errors directory, and fall back to the stock error pages.
-	//revel.MainTemplateLoader = revel.NewTemplateLoader(
+	// revel.MainTemplateLoader = revel.NewTemplateLoader(
 	//	[]string{filepath.Join(revel.RevelPath, "templates")})
-	//if err := revel.MainTemplateLoader.Refresh(); err != nil {
+	// if err := revel.MainTemplateLoader.Refresh(); err != nil {
 	//	revel.RevelLog.Error("Template loader error", "error", err)
-	//}
+	// }
 
 	addr := paths.HTTPAddr
 	port := paths.Config.IntDefault("harness.port", 0)
@@ -203,19 +207,19 @@ func NewHarness(c *model.CommandConfig, paths *model.RevelContainer, runMode str
 }
 
 // Refresh method rebuilds the Revel application and run it on the given port.
-// called by the watcher
+// called by the watcher.
 func (h *Harness) Refresh() (err *utils.SourceError) {
-	t  := time.Now();
-	fmt.Println("Changed detected, recompiling")
+	t := time.Now()
+	fmt.Println("Change detected, recompiling")
 	err = h.refresh()
-	if err!=nil && !h.ranOnce && h.useProxy {
+	if err != nil && !h.ranOnce && h.useProxy {
 		addr := fmt.Sprintf("%s:%d", h.paths.HTTPAddr, h.paths.HTTPPort)
 
-		fmt.Printf("\nError compiling code, to view error details see proxy running on http://%s\n\n",addr)
+		fmt.Printf("\nError compiling code, to view error details see proxy running on http://%s\n\n", addr)
 	}
 
 	h.ranOnce = true
-	fmt.Printf("\nTime to recompile %s\n",time.Now().Sub(t).String())
+	fmt.Printf("\nTime to recompile %s\n", time.Since(t).String())
 	return
 }
 
@@ -237,33 +241,42 @@ func (h *Harness) refresh() (err *utils.SourceError) {
 	h.app, newErr = Build(h.config, h.paths)
 	if newErr != nil {
 		utils.Logger.Error("Build detected an error", "error", newErr)
-		if castErr, ok := newErr.(*utils.SourceError); ok {
+
+		var castErr *utils.SourceError
+		if errors.As(newErr, &castErr) {
 			return castErr
 		}
+
 		err = &utils.SourceError{
 			Title:       "App failed to start up",
-			Description: err.Error(),
+			Description: newErr.Error(),
 		}
+
 		return
 	}
 
 	if h.useProxy {
 		h.app.Port = h.port
 		runMode := h.runMode
+
 		if !h.config.HistoricMode {
 			// Recalulate run mode based on the config
 			var paths []byte
-			if len(h.app.PackagePathMap)>0 {
+			if len(h.app.PackagePathMap) > 0 {
 				paths, _ = json.Marshal(h.app.PackagePathMap)
 			}
-			runMode = fmt.Sprintf(`{"mode":"%s", "specialUseFlag":%v,"packagePathMap":%s}`, h.app.Paths.RunMode, h.config.Verbose, string(paths))
 
+			runMode = fmt.Sprintf(`{"mode":"%s", "specialUseFlag":%v,"packagePathMap":%s}`, h.app.Paths.RunMode, h.config.GetVerbose(), string(paths))
 		}
+
 		if err2 := h.app.Cmd(runMode).Start(h.config); err2 != nil {
 			utils.Logger.Error("Could not start application", "error", err2)
-			if err,k :=err2.(*utils.SourceError);k {
+
+			var serr *utils.SourceError
+			if errors.As(err2, &serr) {
 				return err
 			}
+
 			return &utils.SourceError{
 				Title:       "App failed to start up",
 				Description: err2.Error(),
@@ -277,13 +290,13 @@ func (h *Harness) refresh() (err *utils.SourceError) {
 }
 
 // WatchDir method returns false to file matches with doNotWatch
-// otheriwse true
+// otheriwse true.
 func (h *Harness) WatchDir(info os.FileInfo) bool {
 	return !utils.ContainsString(doNotWatch, info.Name())
 }
 
 // WatchFile method returns true given filename HasSuffix of ".go"
-// otheriwse false - implements revel.DiscerningListener
+// otheriwse false - implements revel.DiscerningListener.
 func (h *Harness) WatchFile(filename string) bool {
 	return strings.HasSuffix(filename, ".go")
 }
@@ -299,8 +312,12 @@ func (h *Harness) Run() {
 	paths = append(paths, h.paths.CodePaths...)
 	h.watcher = watcher.NewWatcher(h.paths, false)
 	h.watcher.Listen(h, paths...)
-	go h.Refresh()
-	// h.watcher.Notify()
+
+	go func() {
+		if err := h.Refresh(); err != nil {
+			utils.Logger.Error("Failed to refresh", "error", err)
+		}
+	}()
 
 	if h.useProxy {
 		go func() {
@@ -310,8 +327,6 @@ func (h *Harness) Run() {
 			}
 			addr := fmt.Sprintf("%s:%d", h.paths.HTTPAddr, h.paths.HTTPPort)
 			utils.Logger.Infof("Proxy server is listening on %s", addr)
-
-
 			var err error
 			if h.paths.HTTPSsl {
 				err = http.ListenAndServeTLS(
@@ -326,11 +341,11 @@ func (h *Harness) Run() {
 				utils.Logger.Error("Failed to start reverse proxy:", "error", err)
 			}
 		}()
-
 	}
 
 	// Make a new channel to listen for the interrupt event
 	ch := make(chan os.Signal)
+	//nolint:staticcheck // os.Kill ineffective on Unix, useful on Windows?
 	signal.Notify(ch, os.Interrupt, os.Kill)
 	<-ch
 	// Kill the app and exit
@@ -340,7 +355,7 @@ func (h *Harness) Run() {
 	os.Exit(1)
 }
 
-// Find an unused port
+// Find an unused port.
 func getFreePort() (port int) {
 	conn, err := net.Listen("tcp", ":0")
 	if err != nil {

logger/composite_multihandler.go

@@ -1,10 +1,11 @@
 package logger
 
 import (
-	"github.com/mattn/go-colorable"
-	"gopkg.in/natefinch/lumberjack.v2"
 	"io"
 	"os"
+
+	"github.com/mattn/go-colorable"
+	"gopkg.in/natefinch/lumberjack.v2"
 )
 
 type CompositeMultiHandler struct {
@@ -19,8 +20,8 @@ func NewCompositeMultiHandler() (*CompositeMultiHandler, LogHandler) {
 	cw := &CompositeMultiHandler{}
 	return cw, cw
 }
-func (h *CompositeMultiHandler) Log(r *Record) (err error) {
 
+func (h *CompositeMultiHandler) Log(r *Record) (err error) {
 	var handler LogHandler
 
 	switch r.Level {
@@ -38,8 +39,11 @@ func (h *CompositeMultiHandler) Log(r *Record) (err error) {
 
 	// Embed the caller function in the context
 	if handler != nil {
-		handler.Log(r)
+		if err := handler.Log(r); err != nil {
+			panic(err)
+		}
 	}
+
 	return
 }
 
@@ -78,7 +82,7 @@ func (h *CompositeMultiHandler) SetHandler(handler LogHandler, replace bool, lev
 	}
 }
 
-// For the multi handler set the handler, using the LogOptions defined
+// For the multi handler set the handler, using the LogOptions defined.
 func (h *CompositeMultiHandler) SetHandlers(handler LogHandler, options *LogOptions) {
 	if len(options.Levels) == 0 {
 		options.Levels = LvlAllList
@@ -88,10 +92,10 @@ func (h *CompositeMultiHandler) SetHandlers(handler LogHandler, options *LogOpti
 	for _, lvl := range options.Levels {
 		h.SetHandler(handler, options.ReplaceExistingHandler, lvl)
 	}
-
 }
-func (h *CompositeMultiHandler) SetJson(writer io.Writer, options *LogOptions) {
-	handler := CallerFileHandler(StreamHandler(writer, JsonFormatEx(
+
+func (h *CompositeMultiHandler) SetJSON(writer io.Writer, options *LogOptions) {
+	handler := CallerFileHandler(StreamHandler(writer, JSONFormatEx(
 		options.GetBoolDefault("pretty", false),
 		options.GetBoolDefault("lineSeparated", true),
 	)))
@@ -101,16 +105,16 @@ func (h *CompositeMultiHandler) SetJson(writer io.Writer, options *LogOptions) {
 	h.SetHandlers(handler, options)
 }
 
-// Use built in rolling function
-func (h *CompositeMultiHandler) SetJsonFile(filePath string, options *LogOptions) {
+// Use built in rolling function.
+func (h *CompositeMultiHandler) SetJSONFile(filePath string, options *LogOptions) {
 	writer := &lumberjack.Logger{
 		Filename:   filePath,
 		MaxSize:    options.GetIntDefault("maxSizeMB", 1024), // megabytes
-		MaxAge:     options.GetIntDefault("maxAgeDays", 7),   //days
+		MaxAge:     options.GetIntDefault("maxAgeDays", 7),   // days
 		MaxBackups: options.GetIntDefault("maxBackups", 7),
 		Compress:   options.GetBoolDefault("compress", true),
 	}
-	h.SetJson(writer, options)
+	h.SetJSON(writer, options)
 }
 
 func (h *CompositeMultiHandler) SetTerminal(writer io.Writer, options *LogOptions) {
@@ -141,12 +145,12 @@ func (h *CompositeMultiHandler) SetTerminal(writer io.Writer, options *LogOption
 	h.SetHandlers(handler, options)
 }
 
-// Use built in rolling function
+// Use built in rolling function.
 func (h *CompositeMultiHandler) SetTerminalFile(filePath string, options *LogOptions) {
 	writer := &lumberjack.Logger{
 		Filename:   filePath,
 		MaxSize:    options.GetIntDefault("maxSizeMB", 1024), // megabytes
-		MaxAge:     options.GetIntDefault("maxAgeDays", 7),   //days
+		MaxAge:     options.GetIntDefault("maxAgeDays", 7),   // days
 		MaxBackups: options.GetIntDefault("maxBackups", 7),
 		Compress:   options.GetBoolDefault("compress", true),
 	}

logger/doc.go

@@ -1,15 +1,12 @@
 /*
-  Package logger contains filters and handles for the logging utilities in Revel.
-  These facilities all currently use the logging library called log15 at
-  https://github.com/inconshreveable/log15
+Package logger contains filters and handles for the logging utilities in Revel.
+These facilities all currently use the logging library called log15 at
+ https://github.com/inconshreveable/log15
 
 	Defining handlers happens as follows
 	1) ALL handlers (log.all.output) replace any existing handlers
 	2) Output handlers (log.error.output) replace any existing handlers
 	3) Filter handlers (log.xxx.filter, log.xxx.nfilter) append to existing handlers,
 	   note log.all.filter is treated as a filter handler, so it will NOT replace existing ones
-
-
-
 */
 package logger

logger/handlers.go

@@ -11,12 +11,12 @@ type LevelFilterHandler struct {
 }
 
 // Filters out records which do not match the level
-// Uses the `log15.FilterHandler` to perform this task
+// Uses the `log15.FilterHandler` to perform this task.
 func LevelHandler(lvl LogLevel, h LogHandler) LogHandler {
 	return &LevelFilterHandler{lvl, h}
 }
 
-// The implementation of the Log
+// The implementation of the Log.
 func (h LevelFilterHandler) Log(r *Record) error {
 	if r.Level == h.Level {
 		return h.h.Log(r)
@@ -25,7 +25,7 @@ func (h LevelFilterHandler) Log(r *Record) error {
 }
 
 // Filters out records which do not match the level
-// Uses the `log15.FilterHandler` to perform this task
+// Uses the `log15.FilterHandler` to perform this task.
 func MinLevelHandler(lvl LogLevel, h LogHandler) LogHandler {
 	return FilterHandler(func(r *Record) (pass bool) {
 		return r.Level <= lvl
@@ -33,7 +33,7 @@ func MinLevelHandler(lvl LogLevel, h LogHandler) LogHandler {
 }
 
 // Filters out records which match the level
-// Uses the `log15.FilterHandler` to perform this task
+// Uses the `log15.FilterHandler` to perform this task.
 func NotLevelHandler(lvl LogLevel, h LogHandler) LogHandler {
 	return FilterHandler(func(r *Record) (pass bool) {
 		return r.Level != lvl
@@ -48,13 +48,14 @@ func CallerFileHandler(h LogHandler) LogHandler {
 }
 
 // Adds in a context called `caller` to the record (contains file name and line number like `foo.go:12`)
-// Uses the `log15.CallerFuncHandler` to perform this task
+// Uses the `log15.CallerFuncHandler` to perform this task.
 func CallerFuncHandler(h LogHandler) LogHandler {
+	// TODO: infinite recursion
 	return CallerFuncHandler(h)
 }
 
 // Filters out records which match the key value pair
-// Uses the `log15.MatchFilterHandler` to perform this task
+// Uses the `log15.MatchFilterHandler` to perform this task.
 func MatchHandler(key string, value interface{}, h LogHandler) LogHandler {
 	return MatchFilterHandler(key, value, h)
 }
@@ -72,7 +73,7 @@ func MatchFilterHandler(key string, value interface{}, h LogHandler) LogHandler
 	}, h)
 }
 
-// If match then A handler is called otherwise B handler is called
+// If match then A handler is called otherwise B handler is called.
 func MatchAbHandler(key string, value interface{}, a, b LogHandler) LogHandler {
 	return FuncHandler(func(r *Record) error {
 		if r.Context[key] == value {
@@ -85,24 +86,24 @@ func MatchAbHandler(key string, value interface{}, a, b LogHandler) LogHandler {
 	})
 }
 
-// The nil handler is used if logging for a specific request needs to be turned off
+// The nil handler is used if logging for a specific request needs to be turned off.
 func NilHandler() LogHandler {
 	return FuncHandler(func(r *Record) error {
 		return nil
 	})
 }
 
-// Match all values in map to log
+// Match all values in map to log.
 func MatchMapHandler(matchMap map[string]interface{}, a LogHandler) LogHandler {
 	return matchMapHandler(matchMap, false, a)
 }
 
-// Match !(Match all values in map to log) The inverse of MatchMapHandler
+// Match !(Match all values in map to log) The inverse of MatchMapHandler.
 func NotMatchMapHandler(matchMap map[string]interface{}, a LogHandler) LogHandler {
 	return matchMapHandler(matchMap, true, a)
 }
 
-// Rather then chaining multiple filter handlers, process all here
+// Rather then chaining multiple filter handlers, process all here.
 func matchMapHandler(matchMap map[string]interface{}, inverse bool, a LogHandler) LogHandler {
 	return FuncHandler(func(r *Record) error {
 		matchCount := 0
@@ -114,10 +115,11 @@ func matchMapHandler(matchMap map[string]interface{}, inverse bool, a LogHandler
 			// Test for two failure cases
 			if value == v && inverse || value != v && !inverse {
 				return nil
-			} else {
-				matchCount++
 			}
+
+			matchCount++
 		}
+
 		if matchCount != len(matchMap) {
 			return nil
 		}
@@ -126,7 +128,7 @@ func matchMapHandler(matchMap map[string]interface{}, inverse bool, a LogHandler
 }
 
 // Filters out records which do not match the key value pair
-// Uses the `log15.FilterHandler` to perform this task
+// Uses the `log15.FilterHandler` to perform this task.
 func NotMatchHandler(key string, value interface{}, h LogHandler) LogHandler {
 	return FilterHandler(func(r *Record) (pass bool) {
 		return r.Context[key] != value
@@ -136,8 +138,9 @@ func NotMatchHandler(key string, value interface{}, h LogHandler) LogHandler {
 func MultiHandler(hs ...LogHandler) LogHandler {
 	return FuncHandler(func(r *Record) error {
 		for _, h := range hs {
-			// what to do about failures?
-			h.Log(r)
+			if err := h.Log(r); err != nil {
+				panic(err)
+			}
 		}
 		return nil
 	})
@@ -158,7 +161,7 @@ func StreamHandler(wr io.Writer, fmtr LogFormat) LogHandler {
 	return LazyHandler(SyncHandler(h))
 }
 
-// Filter handler
+// Filter handler.
 func FilterHandler(fn func(r *Record) bool, h LogHandler) LogHandler {
 	return FuncHandler(func(r *Record) error {
 		if fn(r) {
@@ -168,18 +171,18 @@ func FilterHandler(fn func(r *Record) bool, h LogHandler) LogHandler {
 	})
 }
 
-// List log handler handles a list of LogHandlers
+// List log handler handles a list of LogHandlers.
 type ListLogHandler struct {
 	handlers []LogHandler
 }
 
-// Create a new list of log handlers
+// Create a new list of log handlers.
 func NewListLogHandler(h1, h2 LogHandler) *ListLogHandler {
 	ll := &ListLogHandler{handlers: []LogHandler{h1, h2}}
 	return ll
 }
 
-// Log the record
+// Log the record.
 func (ll *ListLogHandler) Log(r *Record) (err error) {
 	for _, handler := range ll.handlers {
 		if err == nil {
@@ -188,17 +191,18 @@ func (ll *ListLogHandler) Log(r *Record) (err error) {
 			handler.Log(r)
 		}
 	}
+
 	return
 }
 
-// Add another log handler
+// Add another log handler.
 func (ll *ListLogHandler) Add(h LogHandler) {
 	if h != nil {
 		ll.handlers = append(ll.handlers, h)
 	}
 }
 
-// Remove a log handler
+// Remove a log handler.
 func (ll *ListLogHandler) Del(h LogHandler) {
 	if h != nil {
 		for i, handler := range ll.handlers {

logger/init.go

@@ -1,18 +1,19 @@
 package logger
 
-// Get all handlers based on the Config (if available)
+// Get all handlers based on the Config (if available).
 import (
 	"fmt"
-	"github.com/revel/config"
 	"log"
 	"os"
 	"path/filepath"
 	"strings"
+
+	"github.com/revel/config"
 )
 
 func InitializeFromConfig(basePath string, config *config.Context) (c *CompositeMultiHandler) {
 	// If running in test mode suppress anything that is not an error
-	if config != nil && config.BoolDefault(TEST_MODE_FLAG, false) {
+	if config != nil && config.BoolDefault(TestModeFlag, false) {
 		// Preconfigure all the options
 		config.SetOption("log.info.output", "none")
 		config.SetOption("log.debug.output", "none")
@@ -25,14 +26,14 @@ func InitializeFromConfig(basePath string, config *config.Context) (c *Composite
 	c, _ = NewCompositeMultiHandler()
 
 	// Filters are assigned first, non filtered items override filters
-	if config != nil && !config.BoolDefault(TEST_MODE_FLAG, false) {
+	if config != nil && !config.BoolDefault(TestModeFlag, false) {
 		initAllLog(c, basePath, config)
 	}
 	initLogLevels(c, basePath, config)
 	if c.CriticalHandler == nil && c.ErrorHandler != nil {
 		c.CriticalHandler = c.ErrorHandler
 	}
-	if config != nil && !config.BoolDefault(TEST_MODE_FLAG, false) {
+	if config != nil && !config.BoolDefault(TestModeFlag, false) {
 		initFilterLog(c, basePath, config)
 		if c.CriticalHandler == nil && c.ErrorHandler != nil {
 			c.CriticalHandler = c.ErrorHandler
@@ -43,10 +44,10 @@ func InitializeFromConfig(basePath string, config *config.Context) (c *Composite
 	return c
 }
 
-// Init the log.all configuration options
+// Init the log.all configuration options.
 func initAllLog(c *CompositeMultiHandler, basePath string, config *config.Context) {
 	if config != nil {
-		extraLogFlag := config.BoolDefault(SPECIAL_USE_FLAG, false)
+		extraLogFlag := config.BoolDefault(SpecialUseFlag, false)
 		if output, found := config.String("log.all.output"); found {
 			// Set all output for the specified handler
 			if extraLogFlag {
@@ -61,13 +62,13 @@ func initAllLog(c *CompositeMultiHandler, basePath string, config *config.Contex
 // log.all.filter ....
 // log.error.filter ....
 func initFilterLog(c *CompositeMultiHandler, basePath string, config *config.Context) {
-
 	if config != nil {
-		extraLogFlag := config.BoolDefault(SPECIAL_USE_FLAG, false)
+		extraLogFlag := config.BoolDefault(SpecialUseFlag, false)
 
 		for _, logFilter := range logFilterList {
 			// Init for all filters
-			for _, name := range []string{"all", "debug", "info", "warn", "error", "crit",
+			for _, name := range []string{
+				"all", "debug", "info", "warn", "error", "crit",
 				"trace", // TODO trace is deprecated
 			} {
 				optionList := config.Options(logFilter.LogPrefix + name + logFilter.LogSuffix)
@@ -94,13 +95,14 @@ func initFilterLog(c *CompositeMultiHandler, basePath string, config *config.Con
 	}
 }
 
-// Init the log.error, log.warn etc configuration options
+// Init the log.error, log.warn etc configuration options.
 func initLogLevels(c *CompositeMultiHandler, basePath string, config *config.Context) {
-	for _, name := range []string{"debug", "info", "warn", "error", "crit",
+	for _, name := range []string{
+		"debug", "info", "warn", "error", "crit",
 		"trace", // TODO trace is deprecated
 	} {
 		if config != nil {
-			extraLogFlag := config.BoolDefault(SPECIAL_USE_FLAG, false)
+			extraLogFlag := config.BoolDefault(SpecialUseFlag, false)
 			output, found := config.String("log." + name + ".output")
 			if found {
 				if extraLogFlag {
@@ -115,7 +117,7 @@ func initLogLevels(c *CompositeMultiHandler, basePath string, config *config.Con
 	}
 }
 
-// Init the request log options
+// Init the request log options.
 func initRequestLog(c *CompositeMultiHandler, basePath string, config *config.Context) {
 	// Request logging to a separate output handler
 	// This takes the InfoHandlers and adds a MatchAbHandler handler to it to direct
@@ -143,7 +145,7 @@ func initRequestLog(c *CompositeMultiHandler, basePath string, config *config.Co
 // Returns a handler for the level using the output string
 // Accept formats for output string are
 // LogFunctionMap[value] callback function
-// `stdout` `stderr` `full/file/path/to/location/app.log` `full/file/path/to/location/app.json`
+// `stdout` `stderr` `full/file/path/to/location/app.log` `full/file/path/to/location/app.json`.
 func initHandlerFor(c *CompositeMultiHandler, output, basePath string, options *LogOptions) {
 	if options.Ctx != nil {
 		options.SetExtendedOptions(
@@ -176,7 +178,7 @@ func initHandlerFor(c *CompositeMultiHandler, output, basePath string, options *
 			}
 
 			if strings.HasSuffix(output, "json") {
-				c.SetJsonFile(output, options)
+				c.SetJSONFile(output, options)
 			} else {
 				// Override defaults for a terminal file
 				options.SetExtendedOptions("noColor", true)
@@ -185,5 +187,4 @@ func initHandlerFor(c *CompositeMultiHandler, output, basePath string, options *
 			}
 		}
 	}
-	return
 }

logger/init_test.go

@@ -5,197 +5,265 @@
 package logger_test
 
 import (
-	"github.com/revel/config"
-	"github.com/revel/revel/logger"
-	"github.com/stretchr/testify/assert"
 	"os"
 	"strings"
 	"testing"
+
+	"github.com/revel/cmd/logger"
+	"github.com/revel/config"
+	"github.com/stretchr/testify/assert"
 )
 
 type (
-	// A counter for the tester
+	// A counter for the tester.
 	testCounter struct {
 		debug, info, warn, error, critical int
 	}
-	// The data to tes
+	// The data to tes.
 	testData struct {
 		config []string
 		result testResult
 		tc     *testCounter
 	}
-	// The test result
+	// The test result.
 	testResult struct {
 		debug, info, warn, error, critical int
 	}
 )
 
-// Single test cases
+// Single test cases.
 var singleCases = []testData{
-	{config: []string{"log.crit.output"},
-		result: testResult{0, 0, 0, 0, 1}},
-	{config: []string{"log.error.output"},
-		result: testResult{0, 0, 0, 1, 1}},
-	{config: []string{"log.warn.output"},
-		result: testResult{0, 0, 1, 0, 0}},
-	{config: []string{"log.info.output"},
-		result: testResult{0, 1, 0, 0, 0}},
-	{config: []string{"log.debug.output"},
-		result: testResult{1, 0, 0, 0, 0}},
+	{
+		config: []string{"log.crit.output"},
+		result: testResult{0, 0, 0, 0, 1},
+	},
+	{
+		config: []string{"log.error.output"},
+		result: testResult{0, 0, 0, 1, 1},
+	},
+	{
+		config: []string{"log.warn.output"},
+		result: testResult{0, 0, 1, 0, 0},
+	},
+	{
+		config: []string{"log.info.output"},
+		result: testResult{0, 1, 0, 0, 0},
+	},
+	{
+		config: []string{"log.debug.output"},
+		result: testResult{1, 0, 0, 0, 0},
+	},
 }
 
-// Test singles
+// Test singles.
 func TestSingleCases(t *testing.T) {
 	rootLog := logger.New()
 	for _, testCase := range singleCases {
-		testCase.logTest(rootLog, t)
+		testCase.logTest(t, rootLog)
 		testCase.validate(t)
 	}
 }
 
-// Filter test cases
+// Filter test cases.
 var filterCases = []testData{
-	{config: []string{"log.crit.filter.module.app"},
-		result: testResult{0, 0, 0, 0, 1}},
-	{config: []string{"log.crit.filter.module.appa"},
-		result: testResult{0, 0, 0, 0, 0}},
-	{config: []string{"log.error.filter.module.app"},
-		result: testResult{0, 0, 0, 1, 1}},
-	{config: []string{"log.error.filter.module.appa"},
-		result: testResult{0, 0, 0, 0, 0}},
-	{config: []string{"log.warn.filter.module.app"},
-		result: testResult{0, 0, 1, 0, 0}},
-	{config: []string{"log.warn.filter.module.appa"},
-		result: testResult{0, 0, 0, 0, 0}},
-	{config: []string{"log.info.filter.module.app"},
-		result: testResult{0, 1, 0, 0, 0}},
-	{config: []string{"log.info.filter.module.appa"},
-		result: testResult{0, 0, 0, 0, 0}},
-	{config: []string{"log.debug.filter.module.app"},
-		result: testResult{1, 0, 0, 0, 0}},
-	{config: []string{"log.debug.filter.module.appa"},
-		result: testResult{0, 0, 0, 0, 0}},
+	{
+		config: []string{"log.crit.filter.module.app"},
+		result: testResult{0, 0, 0, 0, 1},
+	},
+	{
+		config: []string{"log.crit.filter.module.appa"},
+		result: testResult{0, 0, 0, 0, 0},
+	},
+	{
+		config: []string{"log.error.filter.module.app"},
+		result: testResult{0, 0, 0, 1, 1},
+	},
+	{
+		config: []string{"log.error.filter.module.appa"},
+		result: testResult{0, 0, 0, 0, 0},
+	},
+	{
+		config: []string{"log.warn.filter.module.app"},
+		result: testResult{0, 0, 1, 0, 0},
+	},
+	{
+		config: []string{"log.warn.filter.module.appa"},
+		result: testResult{0, 0, 0, 0, 0},
+	},
+	{
+		config: []string{"log.info.filter.module.app"},
+		result: testResult{0, 1, 0, 0, 0},
+	},
+	{
+		config: []string{"log.info.filter.module.appa"},
+		result: testResult{0, 0, 0, 0, 0},
+	},
+	{
+		config: []string{"log.debug.filter.module.app"},
+		result: testResult{1, 0, 0, 0, 0},
+	},
+	{
+		config: []string{"log.debug.filter.module.appa"},
+		result: testResult{0, 0, 0, 0, 0},
+	},
 }
 
-// Filter test
+// Filter test.
 func TestFilterCases(t *testing.T) {
 	rootLog := logger.New("module", "app")
 	for _, testCase := range filterCases {
-		testCase.logTest(rootLog, t)
+		testCase.logTest(t, rootLog)
 		testCase.validate(t)
 	}
 }
 
-// Inverse test cases
+// Inverse test cases.
 var nfilterCases = []testData{
-	{config: []string{"log.crit.nfilter.module.appa"},
-		result: testResult{0, 0, 0, 0, 1}},
-	{config: []string{"log.crit.nfilter.modules.appa"},
-		result: testResult{0, 0, 0, 0, 0}},
-	{config: []string{"log.crit.nfilter.module.app"},
-		result: testResult{0, 0, 0, 0, 0}},
-	{config: []string{"log.error.nfilter.module.appa"}, // Special case, when error is not nill critical inherits from error
-		result: testResult{0, 0, 0, 1, 1}},
-	{config: []string{"log.error.nfilter.module.app"},
-		result: testResult{0, 0, 0, 0, 0}},
-	{config: []string{"log.warn.nfilter.module.appa"},
-		result: testResult{0, 0, 1, 0, 0}},
-	{config: []string{"log.warn.nfilter.module.app"},
-		result: testResult{0, 0, 0, 0, 0}},
-	{config: []string{"log.info.nfilter.module.appa"},
-		result: testResult{0, 1, 0, 0, 0}},
-	{config: []string{"log.info.nfilter.module.app"},
-		result: testResult{0, 0, 0, 0, 0}},
-	{config: []string{"log.debug.nfilter.module.appa"},
-		result: testResult{1, 0, 0, 0, 0}},
-	{config: []string{"log.debug.nfilter.module.app"},
-		result: testResult{0, 0, 0, 0, 0}},
+	{
+		config: []string{"log.crit.nfilter.module.appa"},
+		result: testResult{0, 0, 0, 0, 1},
+	},
+	{
+		config: []string{"log.crit.nfilter.modules.appa"},
+		result: testResult{0, 0, 0, 0, 0},
+	},
+	{
+		config: []string{"log.crit.nfilter.module.app"},
+		result: testResult{0, 0, 0, 0, 0},
+	},
+	{
+		config: []string{"log.error.nfilter.module.appa"}, // Special case, when error is not nill critical inherits from error
+		result: testResult{0, 0, 0, 1, 1},
+	},
+	{
+		config: []string{"log.error.nfilter.module.app"},
+		result: testResult{0, 0, 0, 0, 0},
+	},
+	{
+		config: []string{"log.warn.nfilter.module.appa"},
+		result: testResult{0, 0, 1, 0, 0},
+	},
+	{
+		config: []string{"log.warn.nfilter.module.app"},
+		result: testResult{0, 0, 0, 0, 0},
+	},
+	{
+		config: []string{"log.info.nfilter.module.appa"},
+		result: testResult{0, 1, 0, 0, 0},
+	},
+	{
+		config: []string{"log.info.nfilter.module.app"},
+		result: testResult{0, 0, 0, 0, 0},
+	},
+	{
+		config: []string{"log.debug.nfilter.module.appa"},
+		result: testResult{1, 0, 0, 0, 0},
+	},
+	{
+		config: []string{"log.debug.nfilter.module.app"},
+		result: testResult{0, 0, 0, 0, 0},
+	},
 }
 
-// Inverse test
+// Inverse test.
 func TestNotFilterCases(t *testing.T) {
 	rootLog := logger.New("module", "app")
 	for _, testCase := range nfilterCases {
-		testCase.logTest(rootLog, t)
+		testCase.logTest(t, rootLog)
 		testCase.validate(t)
 	}
 }
 
-// off test cases
+// off test cases.
 var offCases = []testData{
-	{config: []string{"log.all.output", "log.error.output=off"},
-		result: testResult{1, 1, 1, 0, 1}},
+	{
+		config: []string{"log.all.output", "log.error.output=off"},
+		result: testResult{1, 1, 1, 0, 1},
+	},
 }
 
-// Off test
+// Off test.
 func TestOffCases(t *testing.T) {
 	rootLog := logger.New("module", "app")
 	for _, testCase := range offCases {
-		testCase.logTest(rootLog, t)
+		testCase.logTest(t, rootLog)
 		testCase.validate(t)
 	}
 }
 
-// Duplicate test cases
+// Duplicate test cases.
 var duplicateCases = []testData{
-	{config: []string{"log.all.output", "log.error.output", "log.error.filter.module.app"},
-		result: testResult{1, 1, 1, 2, 1}},
+	{
+		config: []string{"log.all.output", "log.error.output", "log.error.filter.module.app"},
+		result: testResult{1, 1, 1, 2, 1},
+	},
 }
 
-// test duplicate cases
+// test duplicate cases.
 func TestDuplicateCases(t *testing.T) {
 	rootLog := logger.New("module", "app")
 	for _, testCase := range duplicateCases {
-		testCase.logTest(rootLog, t)
+		testCase.logTest(t, rootLog)
 		testCase.validate(t)
 	}
 }
 
-// Contradicting cases
+// Contradicting cases.
 var contradictCases = []testData{
-	{config: []string{"log.all.output", "log.error.output=off", "log.all.output"},
-		result: testResult{1, 1, 1, 0, 1}},
-	{config: []string{"log.all.output", "log.error.output=off", "log.debug.filter.module.app"},
-		result: testResult{2, 1, 1, 0, 1}},
-	{config: []string{"log.all.filter.module.app", "log.info.output=off", "log.info.filter.module.app"},
-		result: testResult{1, 2, 1, 1, 1}},
-	{config: []string{"log.all.output", "log.info.output=off", "log.info.filter.module.app"},
-		result: testResult{1, 1, 1, 1, 1}},
+	{
+		config: []string{"log.all.output", "log.error.output=off", "log.all.output"},
+		result: testResult{1, 1, 1, 0, 1},
+	},
+	{
+		config: []string{"log.all.output", "log.error.output=off", "log.debug.filter.module.app"},
+		result: testResult{2, 1, 1, 0, 1},
+	},
+	{
+		config: []string{"log.all.filter.module.app", "log.info.output=off", "log.info.filter.module.app"},
+		result: testResult{1, 2, 1, 1, 1},
+	},
+	{
+		config: []string{"log.all.output", "log.info.output=off", "log.info.filter.module.app"},
+		result: testResult{1, 1, 1, 1, 1},
+	},
 }
 
-// Contradiction test
+// Contradiction test.
 func TestContradictCases(t *testing.T) {
 	rootLog := logger.New("module", "app")
 	for _, testCase := range contradictCases {
-		testCase.logTest(rootLog, t)
+		testCase.logTest(t, rootLog)
 		testCase.validate(t)
 	}
 }
 
-// All test cases
+// All test cases.
 var allCases = []testData{
-	{config: []string{"log.all.filter.module.app"},
-		result: testResult{1, 1, 1, 1, 1}},
-	{config: []string{"log.all.output"},
-		result: testResult{2, 2, 2, 2, 2}},
+	{
+		config: []string{"log.all.filter.module.app"},
+		result: testResult{1, 1, 1, 1, 1},
+	},
+	{
+		config: []string{"log.all.output"},
+		result: testResult{2, 2, 2, 2, 2},
+	},
 }
 
-// All tests
+// All tests.
 func TestAllCases(t *testing.T) {
 	rootLog := logger.New("module", "app")
 	for i, testCase := range allCases {
-		testCase.logTest(rootLog, t)
+		testCase.logTest(t, rootLog)
 		allCases[i] = testCase
 	}
 	rootLog = logger.New()
 	for i, testCase := range allCases {
-		testCase.logTest(rootLog, t)
+		testCase.logTest(t, rootLog)
 		allCases[i] = testCase
 	}
 	for _, testCase := range allCases {
 		testCase.validate(t)
 	}
-
 }
 
 func (c *testCounter) Log(r *logger.Record) error {
@@ -215,7 +283,10 @@ func (c *testCounter) Log(r *logger.Record) error {
 	}
 	return nil
 }
-func (td *testData) logTest(rootLog logger.MultiLogger, t *testing.T) {
+
+func (td *testData) logTest(t *testing.T, rootLog logger.MultiLogger) {
+	t.Helper()
+
 	if td.tc == nil {
 		td.tc = &testCounter{}
 		counterInit(td.tc)
@@ -248,6 +319,8 @@ func (td *testData) runLogTest(log logger.MultiLogger) {
 }
 
 func (td *testData) validate(t *testing.T) {
+	t.Helper()
+
 	t.Logf("Test %#v expected %#v", td.tc, td.result)
 	assert.Equal(t, td.result.debug, td.tc.debug, "Debug failed "+strings.Join(td.config, " "))
 	assert.Equal(t, td.result.info, td.tc.info, "Info failed "+strings.Join(td.config, " "))
@@ -256,7 +329,7 @@ func (td *testData) validate(t *testing.T) {
 	assert.Equal(t, td.result.critical, td.tc.critical, "Critical failed "+strings.Join(td.config, " "))
 }
 
-// Add test to the function map
+// Add test to the function map.
 func counterInit(tc *testCounter) {
 	logger.LogFunctionMap["test"] = func(c *logger.CompositeMultiHandler, logOptions *logger.LogOptions) {
 		// Output to the test log and the stdout

logger/log_function_map.go

@@ -4,8 +4,8 @@ import (
 	"os"
 )
 
-// The log function map can be added to, so that you can specify your own logging mechanism
-// it has defaults for off, stdout, stderr
+// LogFunctionMap can be added to, so that you can specify your own logging mechanism
+// it has defaults for off, stdout, stderr.
 var LogFunctionMap = map[string]func(*CompositeMultiHandler, *LogOptions){
 	// Do nothing - set the logger off
 	"off": func(c *CompositeMultiHandler, logOptions *LogOptions) {

logger/logger.go

@@ -2,14 +2,15 @@ package logger
 
 import (
 	"fmt"
-	"github.com/revel/config"
 	"time"
+
+	"github.com/revel/config"
 )
 
-// The LogHandler defines the interface to handle the log records
+// The LogHandler defines the interface to handle the log records.
 type (
 	// The Multilogger reduces the number of exposed defined logging variables,
-	// and allows the output to be easily refined
+	// and allows the output to be easily refined.
 	MultiLogger interface {
 		// New returns a new Logger that has this logger's context plus the given context
 		New(ctx ...interface{}) MultiLogger
@@ -63,32 +64,32 @@ type (
 		Panicf(msg string, params ...interface{})
 	}
 
-	// The log handler interface
+	// The log handler interface.
 	LogHandler interface {
 		Log(*Record) error
-		//log15.Handler
+		// log15.Handler
 	}
 
-	// The log stack handler interface
+	// The log stack handler interface.
 	LogStackHandler interface {
 		LogHandler
 		GetStack() int
 	}
 
-	// The log handler interface which has child logs
+	// The log handler interface which has child logs.
 	ParentLogHandler interface {
 		SetChild(handler LogHandler) LogHandler
 	}
 
-	// The log format interface
+	// The log format interface.
 	LogFormat interface {
 		Format(r *Record) []byte
 	}
 
-	// The log level type
+	// The log level type.
 	LogLevel int
 
-	// Used for the callback to LogFunctionMap
+	// Used for the callback to LogFunctionMap.
 	LogOptions struct {
 		Ctx                    *config.Context
 		ReplaceExistingHandler bool
@@ -97,22 +98,22 @@ type (
 		ExtendedOptions        map[string]interface{}
 	}
 
-	// The log record
+	// The log record.
 	Record struct {
 		Message string     // The message
 		Time    time.Time  // The time
-		Level   LogLevel   //The level
+		Level   LogLevel   // The level
 		Call    CallStack  // The call stack if built
 		Context ContextMap // The context
 	}
 
-	// The lazy structure to implement a function to be invoked only if needed
+	// The lazy structure to implement a function to be invoked only if needed.
 	Lazy struct {
 		Fn interface{} // the function
 	}
 
 	// Currently the only requirement for the callstack is to support the Formatter method
-	// which stack.Call does so we use that
+	// which stack.Call does so we use that.
 	CallStack interface {
 		fmt.Formatter // Requirement
 	}
@@ -129,6 +130,7 @@ type formatFunc func(*Record) []byte
 func (f formatFunc) Format(r *Record) []byte {
 	return f(r)
 }
+
 func NewRecord(message string, level LogLevel) *Record {
 	return &Record{Message: message, Context: ContextMap{}, Level: level}
 }
@@ -141,28 +143,28 @@ const (
 	LvlDebug                 // Debug
 )
 
-// A list of all the log levels
+// LvlAllList is a list of all the log levels.
 var LvlAllList = []LogLevel{LvlDebug, LvlInfo, LvlWarn, LvlError, LvlCrit}
 
-// Implements the ParentLogHandler
+// Implements the ParentLogHandler.
 type parentLogHandler struct {
 	setChild func(handler LogHandler) LogHandler
 }
 
-// Create a new parent log handler
+// Create a new parent log handler.
 func NewParentLogHandler(callBack func(child LogHandler) LogHandler) ParentLogHandler {
 	return &parentLogHandler{callBack}
 }
 
-// Sets the child of the log handler
+// Sets the child of the log handler.
 func (p *parentLogHandler) SetChild(child LogHandler) LogHandler {
 	return p.setChild(child)
 }
 
-// Create a new log options
+// Create a new log options.
 func NewLogOptions(cfg *config.Context, replaceHandler bool, phandler ParentLogHandler, lvl ...LogLevel) (logOptions *LogOptions) {
 	logOptions = &LogOptions{
-		Ctx: cfg,
+		Ctx:                    cfg,
 		ReplaceExistingHandler: replaceHandler,
 		HandlerWrap:            phandler,
 		Levels:                 lvl,
@@ -171,14 +173,14 @@ func NewLogOptions(cfg *config.Context, replaceHandler bool, phandler ParentLogH
 	return
 }
 
-// Assumes options will be an even number and have a string, value syntax
+// Assumes options will be an even number and have a string, value syntax.
 func (l *LogOptions) SetExtendedOptions(options ...interface{}) {
 	for x := 0; x < len(options); x += 2 {
 		l.ExtendedOptions[options[x].(string)] = options[x+1]
 	}
 }
 
-// Gets a string option with default
+// Gets a string option with default.
 func (l *LogOptions) GetStringDefault(option, value string) string {
 	if v, found := l.ExtendedOptions[option]; found {
 		return v.(string)
@@ -186,7 +188,7 @@ func (l *LogOptions) GetStringDefault(option, value string) string {
 	return value
 }
 
-// Gets an int option with default
+// Gets an int option with default.
 func (l *LogOptions) GetIntDefault(option string, value int) int {
 	if v, found := l.ExtendedOptions[option]; found {
 		return v.(int)
@@ -194,7 +196,7 @@ func (l *LogOptions) GetIntDefault(option string, value int) int {
 	return value
 }
 
-// Gets a boolean option with default
+// Gets a boolean option with default.
 func (l *LogOptions) GetBoolDefault(option string, value bool) bool {
 	if v, found := l.ExtendedOptions[option]; found {
 		return v.(bool)

logger/revel_logger.go

@@ -2,18 +2,19 @@ package logger
 
 import (
 	"fmt"
-	"github.com/revel/log15"
 	"log"
 	"os"
+
+	"github.com/revel/log15"
 )
 
-// This type implements the MultiLogger
+// This type implements the MultiLogger.
 type RevelLogger struct {
 	log15.Logger
 }
 
 // Set the systems default logger
-// Default logs will be captured and handled by revel at level info
+// Default logs will be captured and handled by revel at level info.
 func SetDefaultLog(fromLog MultiLogger) {
 	log.SetOutput(loggerRewrite{Logger: fromLog, Level: log15.LvlInfo, hideDeprecated: true})
 	// No need to show date and time, that will be logged with revel
@@ -24,73 +25,73 @@ func (rl *RevelLogger) Debugf(msg string, param ...interface{}) {
 	rl.Debug(fmt.Sprintf(msg, param...))
 }
 
-// Print a formatted info message
+// Print a formatted info message.
 func (rl *RevelLogger) Infof(msg string, param ...interface{}) {
 	rl.Info(fmt.Sprintf(msg, param...))
 }
 
-// Print a formatted warn message
+// Print a formatted warn message.
 func (rl *RevelLogger) Warnf(msg string, param ...interface{}) {
 	rl.Warn(fmt.Sprintf(msg, param...))
 }
 
-// Print a formatted error message
+// Print a formatted error message.
 func (rl *RevelLogger) Errorf(msg string, param ...interface{}) {
 	rl.Error(fmt.Sprintf(msg, param...))
 }
 
-// Print a formatted critical message
+// Print a formatted critical message.
 func (rl *RevelLogger) Critf(msg string, param ...interface{}) {
 	rl.Crit(fmt.Sprintf(msg, param...))
 }
 
-// Print a formatted fatal message
+// Print a formatted fatal message.
 func (rl *RevelLogger) Fatalf(msg string, param ...interface{}) {
 	rl.Fatal(fmt.Sprintf(msg, param...))
 }
 
-// Print a formatted panic message
+// Print a formatted panic message.
 func (rl *RevelLogger) Panicf(msg string, param ...interface{}) {
 	rl.Panic(fmt.Sprintf(msg, param...))
 }
 
-// Print a critical message and call os.Exit(1)
+// Print a critical message and call os.Exit(1).
 func (rl *RevelLogger) Fatal(msg string, ctx ...interface{}) {
 	rl.Crit(msg, ctx...)
 	os.Exit(1)
 }
 
-// Print a critical message and panic
+// Print a critical message and panic.
 func (rl *RevelLogger) Panic(msg string, ctx ...interface{}) {
 	rl.Crit(msg, ctx...)
 	panic(msg)
 }
 
-// Override log15 method
+// Override log15 method.
 func (rl *RevelLogger) New(ctx ...interface{}) MultiLogger {
 	old := &RevelLogger{Logger: rl.Logger.New(ctx...)}
 	return old
 }
 
-// Set the stack level to check for the caller
+// Set the stack level to check for the caller.
 func (rl *RevelLogger) SetStackDepth(amount int) MultiLogger {
 	rl.Logger.SetStackDepth(amount) // Ignore the logger returned
 	return rl
 }
 
-// Create a new logger
+// Create a new logger.
 func New(ctx ...interface{}) MultiLogger {
 	r := &RevelLogger{Logger: log15.New(ctx...)}
 	r.SetStackDepth(0)
 	return r
 }
 
-// Set the handler in the Logger
+// Set the handler in the Logger.
 func (rl *RevelLogger) SetHandler(h LogHandler) {
 	rl.Logger.SetHandler(callHandler(h.Log))
 }
 
-// The function wrapper to implement the callback
+// The function wrapper to implement the callback.
 type callHandler func(r *Record) error
 
 // Log implementation, reads the record and extracts the details from the log record
@@ -99,7 +100,7 @@ func (c callHandler) Log(log *log15.Record) error {
 	ctx := log.Ctx
 	var ctxMap ContextMap
 	if len(ctx) > 0 {
-		ctxMap = make(ContextMap, len(ctx) / 2)
+		ctxMap = make(ContextMap, len(ctx)/2)
 
 		for i := 0; i < len(ctx); i += 2 {
 			v := ctx[i]
@@ -108,24 +109,24 @@ func (c callHandler) Log(log *log15.Record) error {
 				key = fmt.Sprintf("LOGGER_INVALID_KEY %v", v)
 			}
 			var value interface{}
-			if len(ctx) > i + 1 {
-				value = ctx[i + 1]
+			if len(ctx) > i+1 {
+				value = ctx[i+1]
 			} else {
 				value = "LOGGER_VALUE_MISSING"
 			}
 			ctxMap[key] = value
 		}
 	} else {
-		ctxMap = make(ContextMap, 0)
+		ctxMap = make(ContextMap)
 	}
 	r := &Record{Message: log.Msg, Context: ctxMap, Time: log.Time, Level: LogLevel(log.Lvl), Call: CallStack(log.Call)}
 	return c(r)
 }
 
-// Internally used contextMap, allows conversion of map to map[string]string
+// Internally used contextMap, allows conversion of map to map[string]string.
 type ContextMap map[string]interface{}
 
-// Convert the context map to be string only values, any non string values are ignored
+// Convert the context map to be string only values, any non string values are ignored.
 func (m ContextMap) StringMap() (newMap map[string]string) {
 	if m != nil {
 		newMap = map[string]string{}
@@ -137,6 +138,7 @@ func (m ContextMap) StringMap() (newMap map[string]string) {
 	}
 	return
 }
+
 func (m ContextMap) Add(key string, value interface{}) {
 	m[key] = value
 }

logger/terminal_format.go

@@ -18,13 +18,13 @@ const (
 	errorKey            = "REVEL_ERROR"
 )
 
-var (
-	levelString = map[LogLevel]string{LvlDebug: "DEBUG",
-		LvlInfo: "INFO", LvlWarn: "WARN", LvlError: "ERROR", LvlCrit: "CRIT"}
-)
+var levelString = map[LogLevel]string{
+	LvlDebug: "DEBUG",
+	LvlInfo:  "INFO", LvlWarn: "WARN", LvlError: "ERROR", LvlCrit: "CRIT",
+}
 
 // Outputs to the terminal in a format like below
-// INFO  09:11:32 server-engine.go:169: Request Stats
+// INFO  09:11:32 server-engine.go:169: Request Stats.
 func TerminalFormatHandler(noColor bool, smallDate bool) LogFormat {
 	dateFormat := termTimeFormat
 	if smallDate {
@@ -32,7 +32,7 @@ func TerminalFormatHandler(noColor bool, smallDate bool) LogFormat {
 	}
 	return FormatFunc(func(r *Record) []byte {
 		// Bash coloring http://misc.flogisoft.com/bash/tip_colors_and_formatting
-		var color = 0
+		color := 0
 		switch r.Level {
 		case LvlCrit:
 			// Magenta
@@ -54,7 +54,7 @@ func TerminalFormatHandler(noColor bool, smallDate bool) LogFormat {
 		b := &bytes.Buffer{}
 		caller, _ := r.Context["caller"].(string)
 		module, _ := r.Context["module"].(string)
-		if noColor == false && color > 0 {
+		if !noColor && color > 0 {
 			if len(module) > 0 {
 				fmt.Fprintf(b, "\x1b[%dm%-5s\x1b[0m %s %6s %13s: %-40s ", color, levelString[r.Level], r.Time.Format(dateFormat), module, caller, r.Message)
 			} else {
@@ -77,7 +77,7 @@ func TerminalFormatHandler(noColor bool, smallDate bool) LogFormat {
 			v := formatLogfmtValue(v)
 
 			// TODO: we should probably check that all of your key bytes aren't invalid
-			if noColor == false && color > 0 {
+			if !noColor && color > 0 {
 				fmt.Fprintf(b, "\x1b[%dm%s\x1b[0m=%s", color, k, v)
 			} else {
 				b.WriteString(k)
@@ -92,7 +92,7 @@ func TerminalFormatHandler(noColor bool, smallDate bool) LogFormat {
 	})
 }
 
-// formatValue formats a value for serialization
+// formatValue formats a value for serialization.
 func formatLogfmtValue(value interface{}) string {
 	if value == nil {
 		return "nil"
@@ -121,7 +121,7 @@ func formatLogfmtValue(value interface{}) string {
 	}
 }
 
-// Format the value in json format
+// Format the value in json format.
 func formatShared(value interface{}) (result interface{}) {
 	defer func() {
 		if err := recover(); err != nil {
@@ -148,12 +148,12 @@ func formatShared(value interface{}) (result interface{}) {
 	}
 }
 
-// A reusuable buffer for outputting data
+// A reusuable buffer for outputting data.
 var stringBufPool = sync.Pool{
 	New: func() interface{} { return new(bytes.Buffer) },
 }
 
-// Escape the string when needed
+// Escape the string when needed.
 func escapeString(s string) string {
 	needsQuotes := false
 	needsEscape := false
@@ -165,7 +165,7 @@ func escapeString(s string) string {
 			needsEscape = true
 		}
 	}
-	if needsEscape == false && needsQuotes == false {
+	if !needsEscape && !needsQuotes {
 		return s
 	}
 	e := stringBufPool.Get().(*bytes.Buffer)
@@ -197,10 +197,10 @@ func escapeString(s string) string {
 	return ret
 }
 
-// JsonFormatEx formats log records as JSON objects. If pretty is true,
+// JSONFormatEx formats log records as JSON objects. If pretty is true,
 // records will be pretty-printed. If lineSeparated is true, records
 // will be logged with a new line between each record.
-func JsonFormatEx(pretty, lineSeparated bool) LogFormat {
+func JSONFormatEx(pretty, lineSeparated bool) LogFormat {
 	jsonMarshal := json.Marshal
 	if pretty {
 		jsonMarshal = func(v interface{}) ([]byte, error) {
@@ -215,7 +215,7 @@ func JsonFormatEx(pretty, lineSeparated bool) LogFormat {
 		props["lvl"] = levelString[r.Level]
 		props["msg"] = r.Message
 		for k, v := range r.Context {
-			props[k] = formatJsonValue(v)
+			props[k] = formatJSONValue(v)
 		}
 
 		b, err := jsonMarshal(props)
@@ -234,7 +234,7 @@ func JsonFormatEx(pretty, lineSeparated bool) LogFormat {
 	})
 }
 
-func formatJsonValue(value interface{}) interface{} {
+func formatJSONValue(value interface{}) interface{} {
 	value = formatShared(value)
 	switch value.(type) {
 	case int, int8, int16, int32, int64, float32, float64, uint, uint8, uint16, uint32, uint64, string:

logger/utils.go

@@ -1,29 +1,31 @@
 package logger
 
 import (
+	"log"
+
 	"github.com/revel/log15"
 	"gopkg.in/stack.v0"
-	"log"
 )
 
-// Utility package to make existing logging backwards compatible
+// Utility package to make existing logging backwards compatible.
 var (
-	// Convert the string to LogLevel
-	toLevel = map[string]LogLevel{"debug": LogLevel(log15.LvlDebug),
-		"info": LogLevel(log15.LvlInfo), "request": LogLevel(log15.LvlInfo), "warn": LogLevel(log15.LvlWarn),
+	// Convert the string to LogLevel.
+	toLevel = map[string]LogLevel{
+		"debug": LogLevel(log15.LvlDebug),
+		"info":  LogLevel(log15.LvlInfo), "request": LogLevel(log15.LvlInfo), "warn": LogLevel(log15.LvlWarn),
 		"error": LogLevel(log15.LvlError), "crit": LogLevel(log15.LvlCrit),
 		"trace": LogLevel(log15.LvlDebug), // TODO trace is deprecated, replaced by debug
 	}
 )
 
 const (
-	// The test mode flag overrides the default log level and shows only errors
-	TEST_MODE_FLAG = "testModeFlag"
-	// The special use flag enables showing messages when the logger is setup
-	SPECIAL_USE_FLAG = "specialUseFlag"
+	// The test mode flag overrides the default log level and shows only errors.
+	TestModeFlag = "testModeFlag"
+	// The special use flag enables showing messages when the logger is setup.
+	SpecialUseFlag = "specialUseFlag"
 )
 
-// Returns the logger for the name
+// Returns the logger for the name.
 func GetLogger(name string, logger MultiLogger) (l *log.Logger) {
 	switch name {
 	case "trace": // TODO trace is deprecated, replaced by debug
@@ -41,10 +43,9 @@ func GetLogger(name string, logger MultiLogger) (l *log.Logger) {
 	}
 
 	return l
-
 }
 
-// Used by the initFilterLog to handle the filters
+// Used by the initFilterLog to handle the filters.
 var logFilterList = []struct {
 	LogPrefix, LogSuffix string
 	parentHandler        func(map[string]interface{}) ParentLogHandler
@@ -54,7 +55,6 @@ var logFilterList = []struct {
 		return NewParentLogHandler(func(child LogHandler) LogHandler {
 			return MatchMapHandler(keyMap, child)
 		})
-
 	},
 }, {
 	"log.", ".nfilter",
@@ -65,20 +65,20 @@ var logFilterList = []struct {
 	},
 }}
 
-// This structure and method will handle the old output format and log it to the new format
+// This structure and method will handle the old output format and log it to the new format.
 type loggerRewrite struct {
 	Logger         MultiLogger
 	Level          log15.Lvl
 	hideDeprecated bool
 }
 
-// The message indicating that a logger is using a deprecated log mechanism
-var log_deprecated = []byte("* LOG DEPRECATED * ")
+// The message indicating that a logger is using a deprecated log mechanism.
+var logDeprecated = []byte("* LOG DEPRECATED * ")
 
-// Implements the Write of the logger
+// Implements the Write of the logger.
 func (lr loggerRewrite) Write(p []byte) (n int, err error) {
 	if !lr.hideDeprecated {
-		p = append(log_deprecated, p...)
+		p = append(logDeprecated, p...)
 	}
 	n = len(p)
 	if len(p) > 0 && p[n-1] == '\n' {
@@ -104,7 +104,7 @@ func (lr loggerRewrite) Write(p []byte) (n int, err error) {
 
 // For logging purposes the call stack can be used to record the stack trace of a bad error
 // simply pass it as a context field in your log statement like
-// `controller.Log.Crit("This should not occur","stack",revel.NewCallStack())`
+// `controller.Log.Crit("This should not occur","stack",revel.NewCallStack())`.
 func NewCallStack() interface{} {
 	return stack.Trace()
 }

logger/wrap_handlers.go

@@ -9,29 +9,43 @@ import (
 	"time"
 )
 
-// Function handler wraps the declared function and returns the handler for it
+// Error is used for constant errors.
+type Error string
+
+// Error implements the error interface.
+func (e Error) Error() string {
+	return string(e)
+}
+
+const (
+	ErrNotFunc   Error = "not a function"
+	ErrTakesArgs Error = "takes arguments"
+	ErrNoReturn  Error = "no return value"
+)
+
+// Function handler wraps the declared function and returns the handler for it.
 func FuncHandler(fn func(r *Record) error) LogHandler {
 	return funcHandler(fn)
 }
 
-// The type decleration for the function
+// The type declaration for the function.
 type funcHandler func(r *Record) error
 
-// The implementation of the Log
+// The implementation of the Log.
 func (h funcHandler) Log(r *Record) error {
 	return h(r)
 }
 
 // This function allows you to do a full declaration for the log,
-// it is recommended you use FuncHandler instead
+// it is recommended you use FuncHandler instead.
 func HandlerFunc(log func(message string, time time.Time, level LogLevel, call CallStack, context ContextMap) error) LogHandler {
 	return remoteHandler(log)
 }
 
-// The type used for the HandlerFunc
+// The type used for the HandlerFunc.
 type remoteHandler func(message string, time time.Time, level LogLevel, call CallStack, context ContextMap) error
 
-// The Log implementation
+// The Log implementation.
 func (c remoteHandler) Log(record *Record) error {
 	return c(record.Message, record.Time, record.Level, record.Call, record.Context)
 }
@@ -56,11 +70,9 @@ func LazyHandler(h LogHandler) LogHandler {
 	return FuncHandler(func(r *Record) error {
 		for k, v := range r.Context {
 			if lz, ok := v.(Lazy); ok {
-				value, err := evaluateLazy(lz)
+				_, err := evaluateLazy(lz)
 				if err != nil {
 					r.Context[errorKey] = "bad lazy " + k
-				} else {
-					v = value
 				}
 			}
 		}
@@ -73,26 +85,27 @@ func evaluateLazy(lz Lazy) (interface{}, error) {
 	t := reflect.TypeOf(lz.Fn)
 
 	if t.Kind() != reflect.Func {
-		return nil, fmt.Errorf("INVALID_LAZY, not func: %+v", lz.Fn)
+		return nil, fmt.Errorf("%w %+v", ErrNotFunc, lz.Fn)
 	}
 
 	if t.NumIn() > 0 {
-		return nil, fmt.Errorf("INVALID_LAZY, func takes args: %+v", lz.Fn)
+		return nil, fmt.Errorf("%w %+v", ErrTakesArgs, lz.Fn)
 	}
 
 	if t.NumOut() == 0 {
-		return nil, fmt.Errorf("INVALID_LAZY, no func return val: %+v", lz.Fn)
+		return nil, fmt.Errorf("%w %+v", ErrNoReturn, lz.Fn)
 	}
 
 	value := reflect.ValueOf(lz.Fn)
 	results := value.Call([]reflect.Value{})
 	if len(results) == 1 {
 		return results[0].Interface(), nil
-	} else {
-		values := make([]interface{}, len(results))
-		for i, v := range results {
-			values[i] = v.Interface()
-		}
-		return values, nil
 	}
+
+	values := make([]interface{}, len(results))
+	for i, v := range results {
+		values[i] = v.Interface()
+	}
+
+	return values, nil
 }

model/command/build.go

@@ -1,4 +1,5 @@
 package command
+
 type (
 	Build struct {
 		ImportCommand
@@ -6,5 +7,4 @@ type (
 		Mode       string `short:"m" long:"run-mode" description:"The mode to run the application in"`
 		CopySource bool   `short:"s" long:"include-source" description:"Copy the source code as well"`
 	}
-
 )

model/command/clean.go

@@ -1,4 +1,5 @@
 package command
+
 type (
 	Clean struct {
 		ImportCommand

model/command/new.go

@@ -1,6 +1,5 @@
 package command
 
-
 type (
 	New struct {
 		ImportCommand
@@ -8,7 +7,6 @@ type (
 		Package      string `short:"p" long:"package" description:"The package name, this becomes the repfix to the app name, if defined vendored is set to true" required:"false"`
 		NotVendored  bool   `long:"no-vendor" description:"True if project should not be configured with a go.mod, this requires you to have the project on the GOPATH, this is only compatible with go versions v1.12 or older"`
 		Run          bool   `short:"r" long:"run" description:"True if you want to run the application right away"`
-		Callback func() error
+		Callback     func() error
 	}
-
-)
+)

model/command/package.go

@@ -1,4 +1,5 @@
 package command
+
 type (
 	Package struct {
 		ImportCommand
@@ -6,4 +7,4 @@ type (
 		Mode       string `short:"m" long:"run-mode" description:"The mode to run the application in"`
 		CopySource bool   `short:"s" long:"include-source" description:"Copy the source code as well"`
 	}
-)
+)

model/command/run.go

@@ -1,9 +1,10 @@
 package command
+
 type (
 	Run struct {
 		ImportCommand
-		Mode       string `short:"m" long:"run-mode" description:"The mode to run the application in"`
-		Port       int    `short:"p" long:"port" default:"-1" description:"The port to listen" `
-		NoProxy    bool   `short:"n" long:"no-proxy" description:"True if proxy server should not be started. This will only update the main and routes files on change"`
+		Mode    string `short:"m" long:"run-mode" description:"The mode to run the application in"`
+		Port    int    `short:"p" long:"port" default:"-1" description:"The port to listen" `
+		NoProxy bool   `short:"n" long:"no-proxy" description:"True if proxy server should not be started. This will only update the main and routes files on change"`
 	}
-)
+)

model/command/test_command.go

@@ -3,7 +3,7 @@ package command
 type (
 	Test struct {
 		ImportCommand
-		Mode       string `short:"m" long:"run-mode" description:"The mode to run the application in"`
-		Function   string `short:"f" long:"suite-function" description:"The suite.function"`
+		Mode     string `short:"m" long:"run-mode" description:"The mode to run the application in"`
+		Function string `short:"f" long:"suite-function" description:"The suite.function"`
 	}
-)
+)

model/command/version.go

@@ -1,4 +1,5 @@
 package command
+
 type (
 	Version struct {
 		ImportCommand

model/command_config.go

@@ -2,8 +2,6 @@ package model
 
 import (
 	"fmt"
-	"github.com/revel/cmd"
-	"github.com/revel/cmd/utils"
 	"go/ast"
 	"go/build"
 	"go/parser"
@@ -13,10 +11,13 @@ import (
 	"os/exec"
 	"path/filepath"
 	"strings"
+
+	"github.com/revel/cmd"
 	"github.com/revel/cmd/model/command"
+	"github.com/revel/cmd/utils"
 )
 
-// The constants
+// The constants.
 const (
 	NEW COMMAND = iota + 1
 	RUN
@@ -27,39 +28,44 @@ const (
 	VERSION
 )
 
+const (
+	ErrImportInvalid  Error = "invalid import path, working dir is in GOPATH root"
+	ErrUnableToImport Error = "unable to determine import path from"
+)
+
 type (
-	// The Revel command type
+	// The Revel command type.
 	COMMAND int
 
-	// The Command config for the line input
+	// The Command config for the line input.
 	CommandConfig struct {
-		Index             COMMAND                                                                                                                     // The index
-		Verbose           []bool `short:"v" long:"debug" description:"If set the logger is set to verbose"`                                           // True if debug is active
-		FrameworkVersion  *Version                                                                                                                    // The framework version
-		CommandVersion    *Version                                                                                                                    // The command version
-		HistoricMode      bool     `long:"historic-run-mode" description:"If set the runmode is passed a string not json"`                            // True if debug is active
-		ImportPath        string                                                                                                                      // The import path (relative to a GOPATH)
-		GoPath            string                                                                                                                      // The GoPath
-		GoCmd             string                                                                                                                      // The full path to the go executable
-	                                                                                                                                                //SrcRoot           string                                                                                                                      // The source root
-		AppPath           string                                                                                                                      // The application path (absolute)
-		AppName           string                                                                                                                      // The application name
-		HistoricBuildMode bool     `long:"historic-build-mode" description:"If set the code is scanned using the original parsers, not the go.1.11+"` // True if debug is active
-		Vendored          bool                                                                                                                        // True if the application is vendored
-		PackageResolver   func(pkgName string) error                                                                                                  //  a package resolver for the config
+		Index            COMMAND  // The index
+		Verbose          []bool   `short:"v" long:"debug" description:"If set the logger is set to verbose"` // True if debug is active
+		FrameworkVersion *Version // The framework version
+		CommandVersion   *Version // The command version
+		HistoricMode     bool     `long:"historic-run-mode" description:"If set the runmode is passed a string not json"` // True if debug is active
+		ImportPath       string   // The import path (relative to a GOPATH)
+		GoPath           string   // The GoPath
+		GoCmd            string   // The full path to the go executable
+		// SrcRoot           string                                                                                                                      // The source root
+		AppPath           string                     // The application path (absolute)
+		AppName           string                     // The application name
+		HistoricBuildMode bool                       `long:"historic-build-mode" description:"If set the code is scanned using the original parsers, not the go.1.11+"` // True if debug is active
+		Vendored          bool                       // True if the application is vendored
+		PackageResolver   func(pkgName string) error //  a package resolver for the config
 		BuildFlags        []string                   `short:"X" long:"build-flags" description:"These flags will be used when building the application. May be specified multiple times, only applicable for Build, Run, Package, Test commands"`
-		GoModFlags        []string            `long:"gomod-flags" description:"These flags will execute go mod commands for each flag, this happens during the build process"`
-		New               command.New `command:"new"`
-		Build             command.Build `command:"build"`
-		Run               command.Run `command:"run"`
-		Package           command.Package `command:"package"`
-		Clean             command.Clean `command:"clean"`
-		Test              command.Test `command:"test"`
-		Version           command.Version `command:"version"`
+		GoModFlags        []string                   `long:"gomod-flags" description:"These flags will execute go mod commands for each flag, this happens during the build process"`
+		New               command.New                `command:"new"`
+		Build             command.Build              `command:"build"`
+		Run               command.Run                `command:"run"`
+		Package           command.Package            `command:"package"`
+		Clean             command.Clean              `command:"clean"`
+		Test              command.Test               `command:"test"`
+		Version           command.Version            `command:"version"`
 	}
 )
 
-// Updates the import path depending on the command
+// Updates the import path depending on the command.
 func (c *CommandConfig) UpdateImportPath() error {
 	var importPath string
 	required := true
@@ -102,14 +108,14 @@ func (c *CommandConfig) UpdateImportPath() error {
 		if err == nil {
 			for _, path := range strings.Split(build.Default.GOPATH, string(filepath.ListSeparator)) {
 				utils.Logger.Infof("Checking import path %s with %s", currentPath, path)
-				if strings.HasPrefix(currentPath, path) && len(currentPath) > len(path) + 1 {
-					importPath = currentPath[len(path) + 1:]
+				if strings.HasPrefix(currentPath, path) && len(currentPath) > len(path)+1 {
+					importPath = currentPath[len(path)+1:]
 					// Remove the source from the path if it is there
 					if len(importPath) > 4 && (strings.ToLower(importPath[0:4]) == "src/" || strings.ToLower(importPath[0:4]) == "src\\") {
 						importPath = importPath[4:]
 					} else if importPath == "src" {
 						if c.Index != VERSION {
-							return fmt.Errorf("Invlaid import path, working dir is in GOPATH root")
+							return ErrImportInvalid
 						}
 						importPath = ""
 					}
@@ -121,7 +127,10 @@ func (c *CommandConfig) UpdateImportPath() error {
 
 	c.ImportPath = importPath
 	// We need the source root determined at this point to check the setversions
-	c.initAppFolder()
+	if err := c.initAppFolder(); err != nil {
+		utils.Logger.Error("Error initing app folder", "error", err)
+	}
+
 	utils.Logger.Info("Returned import path", "path", importPath)
 	if required && c.Index != NEW {
 		if err := c.SetVersions(); err != nil {
@@ -137,7 +146,7 @@ func (c *CommandConfig) UpdateImportPath() error {
 		return nil
 	}
 	if len(importPath) == 0 {
-		return fmt.Errorf("Unable to determine import path from : %s", importPath)
+		return fmt.Errorf("%w: %s", ErrUnableToImport, importPath)
 	}
 	return nil
 }
@@ -153,19 +162,17 @@ func (c *CommandConfig) initAppFolder() (err error) {
 
 	// First try to determine where the application is located - this should be the import value
 	appFolder := c.ImportPath
-	wd, err := os.Getwd()
+	wd, _ := os.Getwd()
 	if len(appFolder) == 0 {
 		// We will assume the working directory is the appFolder
 		appFolder = wd
-	} else if strings.LastIndex(wd, appFolder) == len(wd) - len(appFolder) {
+	} else if strings.LastIndex(wd, appFolder) == len(wd)-len(appFolder) {
 		// Check for existence of an /app folder
 		if utils.Exists(filepath.Join(wd, "app")) {
 			appFolder = wd
 		} else {
 			appFolder = filepath.Join(wd, appFolder)
 		}
-	} else if strings.Contains(appFolder, ".") {
-		appFolder = filepath.Join(wd, filepath.Base(c.ImportPath))
 	} else if !filepath.IsAbs(appFolder) {
 		appFolder = filepath.Join(wd, appFolder)
 	}
@@ -174,7 +181,7 @@ func (c *CommandConfig) initAppFolder() (err error) {
 
 	// Use app folder to read the go.mod if it exists and extract the package information
 	goModFile := filepath.Join(appFolder, "go.mod")
-	utils.Logger.Info("Checking gomod, extracting from file", "path", goModFile,"exists", utils.Exists(goModFile))
+	utils.Logger.Info("Checking gomod, extracting from file", "path", goModFile, "exists", utils.Exists(goModFile))
 	if utils.Exists(goModFile) {
 		c.Vendored = true
 		utils.Logger.Info("Found go mod, extracting from file", "path", goModFile)
@@ -186,7 +193,7 @@ func (c *CommandConfig) initAppFolder() (err error) {
 			if strings.Index(line, "module ") == 0 {
 				c.ImportPath = strings.TrimSpace(strings.Split(line, "module")[1])
 				c.AppPath = appFolder
-				//c.SrcRoot = appFolder
+				// c.SrcRoot = appFolder
 				utils.Logger.Info("Set application path and package based on go mod", "path", c.AppPath)
 				return nil
 			}
@@ -216,17 +223,16 @@ func (c *CommandConfig) initAppFolder() (err error) {
 			c.AppPath = filepath.Join(bestpath, "src", c.ImportPath)
 		}
 		// Recalculate the appFolder because we are using a GOPATH
-
 	} else {
 		// This is new and not vendored, so the app path is the appFolder
 		c.AppPath = appFolder
 	}
 
-	utils.Logger.Info("Set application path", "path", c.AppPath, "vendored",c.Vendored, "importpath",c.ImportPath)
+	utils.Logger.Info("Set application path", "path", c.AppPath, "vendored", c.Vendored, "importpath", c.ImportPath)
 	return nil
 }
 
-// Used to initialize the package resolver
+// Used to initialize the package resolver.
 func (c *CommandConfig) InitPackageResolver() {
 	c.initGoPaths()
 	utils.Logger.Info("InitPackageResolver", "useVendor", c.Vendored, "path", c.AppPath)
@@ -237,7 +243,7 @@ func (c *CommandConfig) InitPackageResolver() {
 		var getCmd *exec.Cmd
 		print("Downloading related packages ...")
 		if c.Vendored {
-			getCmd = exec.Command(c.GoCmd, "mod", "tidy")
+			getCmd = exec.Command(c.GoCmd, "mod", "tidy", "-v")
 		} else {
 			utils.Logger.Info("No vendor folder detected, not using dependency manager to import package", "package", pkgName)
 			getCmd = exec.Command(c.GoCmd, "get", "-u", pkgName)
@@ -255,7 +261,7 @@ func (c *CommandConfig) InitPackageResolver() {
 	}
 }
 
-// lookup and set Go related variables
+// lookup and set Go related variables.
 func (c *CommandConfig) initGoPaths() {
 	utils.Logger.Info("InitGoPaths", "vendored", c.Vendored)
 	// check for go executable
@@ -275,10 +281,7 @@ func (c *CommandConfig) initGoPaths() {
 		utils.Logger.Fatal("Abort: GOPATH environment variable is not set. " +
 			"Please refer to http://golang.org/doc/code.html to configure your Go environment.")
 	}
-	return
-	//todo determine if the rest needs to happen
-
-
+	// todo determine if the rest needs to happen
 	// revel/revel#1004 choose go path relative to current working directory
 
 	// What we want to do is to add the import to the end of the
@@ -303,11 +306,18 @@ func (c *CommandConfig) initGoPaths() {
 		c.AppPath = filepath.Join(c.SrcRoot, filepath.FromSlash(c.ImportPath))
 		utils.Logger.Info("Set application path", "path", c.AppPath)
 
-	 */
-
+	*/
 }
 
-// Sets the versions on the command config
+// Sets the versions on the command config.
+func (c *CommandConfig) GetVerbose() (verbose bool) {
+	if len(c.Verbose) > 0 {
+		verbose = c.Verbose[0]
+	}
+	return
+}
+
+// Sets the versions on the command config.
 func (c *CommandConfig) SetVersions() (err error) {
 	c.CommandVersion, _ = ParseVersion(cmd.Version)
 	pathMap, err := utils.FindSrcPaths(c.AppPath, []string{RevelImportPath}, c.PackageResolver)
@@ -339,7 +349,7 @@ func (c *CommandConfig) SetVersions() (err error) {
 				spec := a.(*ast.ValueSpec)
 				r := spec.Values[0].(*ast.BasicLit)
 				if spec.Names[0].Name == "Version" {
-					c.FrameworkVersion, err = ParseVersion(strings.Replace(r.Value, `"`, ``, -1))
+					c.FrameworkVersion, err = ParseVersion(strings.ReplaceAll(r.Value, `"`, ``))
 					if err != nil {
 						utils.Logger.Errorf("Failed to parse version")
 					} else {

model/embedded_type_name.go

@@ -1,11 +1,11 @@
 package model
 
-// The embedded type name takes the import path and structure name
+// The embedded type name takes the import path and structure name.
 type EmbeddedTypeName struct {
 	ImportPath, StructName string
 }
 
-// Convert the type to a properly formatted import line
+// Convert the type to a properly formatted import line.
 func (s *EmbeddedTypeName) String() string {
 	return s.ImportPath + "." + s.StructName
 }

model/event.go

@@ -1,11 +1,11 @@
 package model
 
 type (
-	// The event type
+	// The event type.
 	Event int
-	// The event response
+	// The event response.
 	EventResponse int
-	// The handler signature
+	// The handler signature.
 	EventHandler  func(typeOf Event, value interface{}) (responseOf EventResponse)
 	RevelCallback interface {
 		FireEvent(key Event, value interface{}) (response EventResponse)
@@ -14,40 +14,40 @@ type (
 )
 
 const (
-	// Event type when templates are going to be refreshed (receivers are registered template engines added to the template.engine conf option)
+	// Event type when templates are going to be refreshed (receivers are registered template engines added to the template.engine conf option).
 	TEMPLATE_REFRESH_REQUESTED Event = iota
-	// Event type when templates are refreshed (receivers are registered template engines added to the template.engine conf option)
+	// Event type when templates are refreshed (receivers are registered template engines added to the template.engine conf option).
 	TEMPLATE_REFRESH_COMPLETED
-	// Event type before all module loads, events thrown to handlers added to AddInitEventHandler
+	// Event type before all module loads, events thrown to handlers added to AddInitEventHandler.
 
-	// Event type before all module loads, events thrown to handlers added to AddInitEventHandler
+	// Event type before all module loads, events thrown to handlers added to AddInitEventHandler.
 	REVEL_BEFORE_MODULES_LOADED
-	// Event type before module loads, events thrown to handlers added to AddInitEventHandler
+	// Event type before module loads, events thrown to handlers added to AddInitEventHandler.
 	REVEL_BEFORE_MODULE_LOADED
-	// Event type after module loads, events thrown to handlers added to AddInitEventHandler
+	// Event type after module loads, events thrown to handlers added to AddInitEventHandler.
 	REVEL_AFTER_MODULE_LOADED
-	// Event type after all module loads, events thrown to handlers added to AddInitEventHandler
+	// Event type after all module loads, events thrown to handlers added to AddInitEventHandler.
 	REVEL_AFTER_MODULES_LOADED
 
-	// Event type before server engine is initialized, receivers are active server engine and handlers added to AddInitEventHandler
+	// Event type before server engine is initialized, receivers are active server engine and handlers added to AddInitEventHandler.
 	ENGINE_BEFORE_INITIALIZED
-	// Event type before server engine is started, receivers are active server engine and handlers added to AddInitEventHandler
+	// Event type before server engine is started, receivers are active server engine and handlers added to AddInitEventHandler.
 	ENGINE_STARTED
-	// Event type after server engine is stopped, receivers are active server engine and handlers added to AddInitEventHandler
+	// Event type after server engine is stopped, receivers are active server engine and handlers added to AddInitEventHandler.
 	ENGINE_SHUTDOWN
 
-	// Called before routes are refreshed
+	// Called before routes are refreshed.
 	ROUTE_REFRESH_REQUESTED
-	// Called after routes have been refreshed
+	// Called after routes have been refreshed.
 	ROUTE_REFRESH_COMPLETED
 
-	// Fired when a panic is caught during the startup process
+	// Fired when a panic is caught during the startup process.
 	REVEL_FAILURE
 )
 
 var initEventList = []EventHandler{} // Event handler list for receiving events
 
-// Fires system events from revel
+// Fires system events from revel.
 func RaiseEvent(key Event, value interface{}) (response EventResponse) {
 	for _, handler := range initEventList {
 		response |= handler(key, value)
@@ -55,8 +55,7 @@ func RaiseEvent(key Event, value interface{}) (response EventResponse) {
 	return
 }
 
-// Add event handler to listen for all system events
+// Add event handler to listen for all system events.
 func AddInitEventHandler(handler EventHandler) {
 	initEventList = append(initEventList, handler)
-	return
 }

model/event_test.go

@@ -1,12 +1,13 @@
 package model_test
 
 import (
+	"testing"
+
 	"github.com/revel/revel"
 	"github.com/stretchr/testify/assert"
-	"testing"
 )
 
-// Test that the event handler can be attached and it dispatches the event received
+// Test that the event handler can be attached and it dispatches the event received.
 func TestEventHandler(t *testing.T) {
 	counter := 0
 	newListener := func(typeOf revel.Event, value interface{}) (responseOf revel.EventResponse) {
@@ -21,4 +22,3 @@ func TestEventHandler(t *testing.T) {
 	revel.StopServer(1)
 	assert.Equal(t, counter, 2, "Expected event handler to have been called")
 }
-

model/method.go

@@ -8,14 +8,14 @@ type MethodCall struct {
 	Names []string
 }
 
-// MethodSpec holds the information of one Method
+// MethodSpec holds the information of one Method.
 type MethodSpec struct {
 	Name        string        // Name of the method, e.g. "Index"
 	Args        []*MethodArg  // Argument descriptors
 	RenderCalls []*MethodCall // Descriptions of Render() invocations from this Method.
 }
 
-// MethodArg holds the information of one argument
+// MethodArg holds the information of one argument.
 type MethodArg struct {
 	Name       string   // Name of the argument.
 	TypeExpr   TypeExpr // The name of the type, e.g. "int", "*pkg.UserType"

model/revel_container.go

@@ -2,18 +2,36 @@
 package model
 
 import (
-	"github.com/revel/cmd/utils"
-	"github.com/revel/config"
-	"errors"
 	"fmt"
 	"path/filepath"
 	"sort"
 	"strings"
+
+	"github.com/revel/cmd/utils"
+	"github.com/revel/config"
 	"golang.org/x/tools/go/packages"
 )
 
+// Error is used for constant errors.
+type Error string
+
+// Error implements the error interface.
+func (e Error) Error() string {
+	return string(e)
+}
+
+const (
+	ErrNoApp       Error = "no app found at path"
+	ErrNoConfig    Error = "no config found at path"
+	ErrNotFound    Error = "not found"
+	ErrMissingCert Error = "no http.sslcert provided"
+	ErrMissingKey  Error = "no http.sslkey provided"
+	ErrNoFiles     Error = "no files found in import path"
+	ErrNoPackages  Error = "no packages found for import"
+)
+
 type (
-	// The container object for describing all Revels variables
+	// The container object for describing all Revels variables.
 	RevelContainer struct {
 		BuildPaths struct {
 			Revel string
@@ -39,36 +57,36 @@ type (
 			Root string
 		}
 
-		ImportPath    string            // The import path
-		SourcePath    string            // The full source path
-		RunMode       string            // The current run mode
-		RevelPath     string            // The path to the Revel source code
-		BasePath      string            // The base path to the application
-		AppPath       string            // The application path (BasePath + "/app")
-		ViewsPath     string            // The application views path
-		CodePaths     []string          // All the code paths
-		TemplatePaths []string          // All the template paths
-		ConfPaths     []string          // All the configuration paths
-		Config        *config.Context   // The global config object
-		Packaged      bool              // True if packaged
-		DevMode       bool              // True if running in dev mode
-		HTTPPort      int               // The http port
-		HTTPAddr      string            // The http address
-		HTTPSsl       bool              // True if running https
-		HTTPSslCert   string            // The SSL certificate
-		HTTPSslKey    string            // The SSL key
-		AppName       string            // The application name
-		AppRoot       string            // The application root from the config `app.root`
-		CookiePrefix  string            // The cookie prefix
-		CookieDomain  string            // The cookie domain
-		CookieSecure  bool              // True if cookie is secure
-		SecretStr     string            // The secret string
-		MimeConfig    *config.Context   // The mime configuration
+		ImportPath    string                 // The import path
+		SourcePath    string                 // The full source path
+		RunMode       string                 // The current run mode
+		RevelPath     string                 // The path to the Revel source code
+		BasePath      string                 // The base path to the application
+		AppPath       string                 // The application path (BasePath + "/app")
+		ViewsPath     string                 // The application views path
+		CodePaths     []string               // All the code paths
+		TemplatePaths []string               // All the template paths
+		ConfPaths     []string               // All the configuration paths
+		Config        *config.Context        // The global config object
+		Packaged      bool                   // True if packaged
+		DevMode       bool                   // True if running in dev mode
+		HTTPPort      int                    // The http port
+		HTTPAddr      string                 // The http address
+		HTTPSsl       bool                   // True if running https
+		HTTPSslCert   string                 // The SSL certificate
+		HTTPSslKey    string                 // The SSL key
+		AppName       string                 // The application name
+		AppRoot       string                 // The application root from the config `app.root`
+		CookiePrefix  string                 // The cookie prefix
+		CookieDomain  string                 // The cookie domain
+		CookieSecure  bool                   // True if cookie is secure
+		SecretStr     string                 // The secret string
+		MimeConfig    *config.Context        // The mime configuration
 		ModulePathMap map[string]*ModuleInfo // The module path map
 	}
 	ModuleInfo struct {
 		ImportPath string
-		Path string
+		Path       string
 	}
 
 	WrappedRevelCallback struct {
@@ -77,25 +95,28 @@ type (
 	}
 )
 
-// Simple Wrapped RevelCallback
+// Simple Wrapped RevelCallback.
 func NewWrappedRevelCallback(fe func(key Event, value interface{}) (response EventResponse), ie func(pkgName string) error) RevelCallback {
 	return &WrappedRevelCallback{fe, ie}
 }
 
-// Function to implement the FireEvent
+// Function to implement the FireEvent.
 func (w *WrappedRevelCallback) FireEvent(key Event, value interface{}) (response EventResponse) {
 	if w.FireEventFunction != nil {
 		response = w.FireEventFunction(key, value)
 	}
 	return
 }
+
 func (w *WrappedRevelCallback) PackageResolver(pkgName string) error {
 	return w.ImportFunction(pkgName)
 }
 
-// RevelImportPath Revel framework import path
-var RevelImportPath = "github.com/revel/revel"
-var RevelModulesImportPath = "github.com/revel/modules"
+// RevelImportPath Revel framework import path.
+var (
+	RevelImportPath        = "github.com/revel/revel"
+	RevelModulesImportPath = "github.com/revel/modules"
+)
 
 // This function returns a container object describing the revel application
 // eventually this type of function will replace the global variables.
@@ -107,7 +128,7 @@ func NewRevelPaths(mode, importPath, appSrcPath string, callback RevelCallback)
 	rp.RunMode = mode
 
 	// We always need to determine the paths for files
-	pathMap, err := utils.FindSrcPaths(appSrcPath, []string{importPath+"/app", RevelImportPath}, callback.PackageResolver)
+	pathMap, err := utils.FindSrcPaths(appSrcPath, []string{importPath + "/app", RevelImportPath}, callback.PackageResolver)
 	if err != nil {
 		return
 	}
@@ -118,11 +139,11 @@ func NewRevelPaths(mode, importPath, appSrcPath string, callback RevelCallback)
 	rp.AppPath = filepath.Join(rp.BasePath, "app")
 
 	// Sanity check , ensure app and conf paths exist
-	if !utils.DirExists(rp.AppPath)  {
-		return rp, fmt.Errorf("No application found at path %s", rp.AppPath)
+	if !utils.DirExists(rp.AppPath) {
+		return rp, fmt.Errorf("%w: %s", ErrNoApp, rp.AppPath)
 	}
 	if !utils.DirExists(filepath.Join(rp.BasePath, "conf")) {
-		return rp, fmt.Errorf("No configuration found at path %s", filepath.Join(rp.BasePath, "conf"))
+		return rp, fmt.Errorf("%w: %s", ErrNoConfig, filepath.Join(rp.BasePath, "conf"))
 	}
 
 	rp.ViewsPath = filepath.Join(rp.AppPath, "views")
@@ -146,7 +167,7 @@ func NewRevelPaths(mode, importPath, appSrcPath string, callback RevelCallback)
 
 	rp.Config, err = config.LoadContext("app.conf", rp.ConfPaths)
 	if err != nil {
-		return rp, fmt.Errorf("Unable to load configuartion file %s", err)
+		return rp, fmt.Errorf("unable to load configuration file %w", err)
 	}
 
 	// Ensure that the selected runmode appears in app.conf.
@@ -155,7 +176,7 @@ func NewRevelPaths(mode, importPath, appSrcPath string, callback RevelCallback)
 		mode = config.DefaultSection
 	}
 	if !rp.Config.HasSection(mode) {
-		return rp, fmt.Errorf("app.conf: No mode found: %s %s", "run-mode", mode)
+		return rp, fmt.Errorf("app.conf: %w %s %s", ErrNotFound, "run-mode", mode)
 	}
 	rp.Config.SetSection(mode)
 
@@ -168,13 +189,14 @@ func NewRevelPaths(mode, importPath, appSrcPath string, callback RevelCallback)
 	rp.HTTPSslKey = rp.Config.StringDefault("http.sslkey", "")
 	if rp.HTTPSsl {
 		if rp.HTTPSslCert == "" {
-			return rp, errors.New("No http.sslcert provided.")
+			return rp, ErrMissingCert
 		}
+
 		if rp.HTTPSslKey == "" {
-			return rp, errors.New("No http.sslkey provided.")
+			return rp, ErrMissingKey
 		}
 	}
-	//
+
 	rp.AppName = rp.Config.StringDefault("app.name", "(not set)")
 	rp.AppRoot = rp.Config.StringDefault("app.root", "")
 	rp.CookiePrefix = rp.Config.StringDefault("cookie.prefix", "REVEL")
@@ -197,7 +219,7 @@ func NewRevelPaths(mode, importPath, appSrcPath string, callback RevelCallback)
 func (rp *RevelContainer) LoadMimeConfig() (err error) {
 	rp.MimeConfig, err = config.LoadContext("mime-types.conf", rp.ConfPaths)
 	if err != nil {
-		return fmt.Errorf("Failed to load mime type config: %s %s", "error", err)
+		return fmt.Errorf("failed to load mime type config: %s %w", "error", err)
 	}
 	return
 }
@@ -206,12 +228,10 @@ func (rp *RevelContainer) LoadMimeConfig() (err error) {
 // This will fire the REVEL_BEFORE_MODULE_LOADED, REVEL_AFTER_MODULE_LOADED
 // for each module loaded. The callback will receive the RevelContainer, name, moduleImportPath and modulePath
 // It will automatically add in the code paths for the module to the
-// container object
+// container object.
 func (rp *RevelContainer) loadModules(callback RevelCallback) (err error) {
 	keys := []string{}
-	for _, key := range rp.Config.Options("module.") {
-		keys = append(keys, key)
-	}
+	keys = append(keys, rp.Config.Options("module.")...)
 
 	// Reorder module order by key name, a poor mans sort but at least it is consistent
 	sort.Strings(keys)
@@ -223,11 +243,15 @@ func (rp *RevelContainer) loadModules(callback RevelCallback) (err error) {
 
 		modulePath, err := rp.ResolveImportPath(moduleImportPath)
 		if err != nil {
-			utils.Logger.Info("Missing module ", "module_import_path", moduleImportPath, "error",err)
-			callback.PackageResolver(moduleImportPath)
+			utils.Logger.Info("Missing module ", "module_import_path", moduleImportPath, "error", err)
+
+			if err := callback.PackageResolver(moduleImportPath); err != nil {
+				return fmt.Errorf("failed to resolve package %w", err)
+			}
+
 			modulePath, err = rp.ResolveImportPath(moduleImportPath)
 			if err != nil {
-				return fmt.Errorf("Failed to load module.  Import of path failed %s:%s %s:%s ", "modulePath", moduleImportPath, "error", err)
+				return fmt.Errorf("failed to load module.  Import of path failed %s:%s %s:%w ", "modulePath", moduleImportPath, "error", err)
 			}
 		}
 		// Drop anything between module.???.<name of module>
@@ -242,9 +266,9 @@ func (rp *RevelContainer) loadModules(callback RevelCallback) (err error) {
 	return
 }
 
-// Adds a module paths to the container object
+// Adds a module paths to the container object.
 func (rp *RevelContainer) addModulePaths(name, importPath, modulePath string) {
-	utils.Logger.Info("Adding module path","name", name,"import path", importPath,"system path", modulePath)
+	utils.Logger.Info("Adding module path", "name", name, "import path", importPath, "system path", modulePath)
 	if codePath := filepath.Join(modulePath, "app"); utils.DirExists(codePath) {
 		rp.CodePaths = append(rp.CodePaths, codePath)
 		rp.ModulePathMap[name] = &ModuleInfo{importPath, modulePath}
@@ -271,20 +295,21 @@ func (rp *RevelContainer) ResolveImportPath(importPath string) (string, error) {
 		return filepath.Join(rp.SourcePath, importPath), nil
 	}
 	config := &packages.Config{
-		Mode: packages.LoadSyntax,
-		Dir:rp.AppPath,
+		Mode: packages.NeedName | packages.NeedFiles | packages.NeedCompiledGoFiles | packages.NeedImports |
+			packages.NeedTypes | packages.NeedTypesSizes | packages.NeedSyntax | packages.NeedTypesInfo,
+		Dir: rp.AppPath,
 	}
-
-	pkgs, err := packages.Load(config,  importPath)
-	if len(pkgs)==0 {
-		return "", errors.New("No packages found for import " + importPath +" using app path "+ rp.AppPath)
+	config.Env = utils.ReducedEnv(false)
+	pkgs, err := packages.Load(config, importPath)
+	if len(pkgs) == 0 {
+		return "", fmt.Errorf("%w %s using app path %s", ErrNoPackages, importPath, rp.AppPath)
 	}
-//	modPkg, err := build.Import(importPath, rp.AppPath, build.FindOnly)
+	//	modPkg, err := build.Import(importPath, rp.AppPath, build.FindOnly)
 	if err != nil {
 		return "", err
 	}
-	if len(pkgs[0].GoFiles)>0 {
+	if len(pkgs[0].GoFiles) > 0 {
 		return filepath.Dir(pkgs[0].GoFiles[0]), nil
 	}
-	return pkgs[0].PkgPath, errors.New("No files found in import path " + importPath)
+	return pkgs[0].PkgPath, fmt.Errorf("%w: %s", ErrNoFiles, importPath)
 }

model/source_info.go

@@ -3,23 +3,24 @@ package model
 // SourceInfo is the top-level struct containing all extracted information
 // about the app source code, used to generate main.go.
 import (
-	"github.com/revel/cmd/utils"
 	"path/filepath"
 	"strings"
 	"unicode"
+
+	"github.com/revel/cmd/utils"
 )
 
 type SourceInfo struct {
 	// StructSpecs lists type info for all structs found under the code paths.
 	// They may be queried to determine which ones (transitively) embed certain types.
-	StructSpecs     []*TypeInfo
+	StructSpecs []*TypeInfo
 	// ValidationKeys provides a two-level lookup.  The keys are:
 	// 1. The fully-qualified function name,
 	//    e.g. "github.com/revel/examples/chat/app/controllers.(*Application).Action"
 	// 2. Within that func's file, the line number of the (overall) expression statement.
 	//    e.g. the line returned from runtime.Caller()
 	// The result of the lookup the name of variable being validated.
-	ValidationKeys  map[string]map[int]string
+	ValidationKeys map[string]map[int]string
 	// A list of import paths.
 	// Revel notices files with an init() function and imports that package.
 	InitImportPaths []string
@@ -28,14 +29,14 @@ type SourceInfo struct {
 	// app/controllers/... that embed (directly or indirectly) revel.Controller
 	controllerSpecs []*TypeInfo
 	// testSuites list the types that constitute the set of application tests.
-	testSuites      []*TypeInfo
+	testSuites []*TypeInfo
 	// packageMap a map of import to system directory (if available)
-	PackageMap      map[string]string
+	PackageMap map[string]string
 }
 
 // TypesThatEmbed returns all types that (directly or indirectly) embed the
 // target type, which must be a fully qualified type name,
-// e.g. "github.com/revel/revel.Controller"
+// e.g. "github.com/revel/revel.Controller".
 func (s *SourceInfo) TypesThatEmbed(targetType, packageFilter string) (filtered []*TypeInfo) {
 	// Do a search in the "embedded type graph", starting with the target type.
 	var (
@@ -75,7 +76,8 @@ func (s *SourceInfo) TypesThatEmbed(targetType, packageFilter string) (filtered
 				utils.Logger.Info("Debug: Skipping adding spec for unexported type",
 					"type", filteredItem.StructName,
 					"package", filteredItem.ImportPath)
-				filtered = append(filtered[:i], filtered[i + 1:]...)
+				filtered = append(filtered[:i], filtered[i+1:]...)
+				//nolint:ineffassign // huh?
 				exit = false
 				break
 			}
@@ -98,8 +100,8 @@ func (s *SourceInfo) TypesThatEmbed(targetType, packageFilter string) (filtered
 
 			// Report non controller structures in controller folder.
 			if !found && !strings.HasPrefix(spec.StructName, "Test") {
-				utils.Logger.Warn("Type found in package: " + packageFilter +
-					", but did not embed from: " + filepath.Base(targetType),
+				utils.Logger.Warn("Type found in package: "+packageFilter+
+					", but did not embed from: "+filepath.Base(targetType),
 					"name", spec.StructName, "importpath", spec.ImportPath, "foundstructures", unfoundNames)
 			}
 		}
@@ -108,20 +110,20 @@ func (s *SourceInfo) TypesThatEmbed(targetType, packageFilter string) (filtered
 }
 
 // ControllerSpecs returns the all the controllers that embeds
-// `revel.Controller`
+// `revel.Controller`.
 func (s *SourceInfo) ControllerSpecs() []*TypeInfo {
-	utils.Logger.Info("Scanning controller specifications for types ","typePath",RevelImportPath + ".Controller", "speclen",len(s.controllerSpecs))
+	utils.Logger.Info("Scanning controller specifications for types ", "typePath", RevelImportPath+".Controller", "speclen", len(s.controllerSpecs))
 	if s.controllerSpecs == nil {
-		s.controllerSpecs = s.TypesThatEmbed(RevelImportPath + ".Controller", "controllers")
+		s.controllerSpecs = s.TypesThatEmbed(RevelImportPath+".Controller", "controllers")
 	}
 	return s.controllerSpecs
 }
 
 // TestSuites returns the all the Application tests that embeds
-// `testing.TestSuite`
+// `testing.TestSuite`.
 func (s *SourceInfo) TestSuites() []*TypeInfo {
 	if s.testSuites == nil {
-		s.testSuites = s.TypesThatEmbed(RevelImportPath + "/testing.TestSuite", "testsuite")
+		s.testSuites = s.TypesThatEmbed(RevelImportPath+"/testing.TestSuite", "testsuite")
 	}
 	return s.testSuites
 }
@@ -136,4 +138,4 @@ func (s *SourceInfo) Merge(srcInfo2 *SourceInfo) {
 		}
 		s.ValidationKeys[k] = v
 	}
-}
+}

model/type_expr.go

@@ -13,14 +13,14 @@ type TypeExpr struct {
 	Valid    bool
 }
 
-// Returns a new type from the data
+// Returns a new type from the data.
 func NewTypeExprFromData(expr, pkgName string, pkgIndex int, valid bool) TypeExpr {
 	return TypeExpr{expr, pkgName, pkgIndex, valid}
 }
 
 // NewTypeExpr returns the syntactic expression for referencing this type in Go.
 func NewTypeExprFromAst(pkgName string, expr ast.Expr) TypeExpr {
-	error := ""
+	err := ""
 	switch t := expr.(type) {
 	case *ast.Ident:
 		if IsBuiltinType(t.Name) {
@@ -41,15 +41,14 @@ func NewTypeExprFromAst(pkgName string, expr ast.Expr) TypeExpr {
 			e := NewTypeExprFromAst(pkgName, t.Value)
 			return NewTypeExprFromData("map["+identKey.Name+"]"+e.Expr, e.PkgName, e.pkgIndex+len("map["+identKey.Name+"]"), e.Valid)
 		}
-		error = fmt.Sprintf("Failed to generate name for Map field :%v. Make sure the field name is valid.", t.Key)
+		err = fmt.Sprintf("Failed to generate name for Map field :%v. Make sure the field name is valid.", t.Key)
 	case *ast.Ellipsis:
 		e := NewTypeExprFromAst(pkgName, t.Elt)
 		return NewTypeExprFromData("[]"+e.Expr, e.PkgName, e.pkgIndex+2, e.Valid)
 	default:
-		error = fmt.Sprintf("Failed to generate name for field: %v Package: %v. Make sure the field name is valid.", expr, pkgName)
-
+		err = fmt.Sprintf("Failed to generate name for field: %v Package: %v. Make sure the field name is valid.", expr, pkgName)
 	}
-	return NewTypeExprFromData(error, "", 0, false)
+	return NewTypeExprFromData(err, "", 0, false)
 }
 
 // TypeName returns the fully-qualified type name for this expression.
@@ -62,7 +61,7 @@ func (e TypeExpr) TypeName(pkgOverride string) string {
 	return e.Expr[:e.pkgIndex] + pkgName + "." + e.Expr[e.pkgIndex:]
 }
 
-var builtInTypes = map[string]struct{}{
+var builtInTypes = map[string]struct{}{ //nolint:gochecknoglobals
 	"bool":       {},
 	"byte":       {},
 	"complex128": {},
@@ -85,13 +84,13 @@ var builtInTypes = map[string]struct{}{
 	"uintptr":    {},
 }
 
-// IsBuiltinType checks the given type is built-in types of Go
+// IsBuiltinType checks the given type is built-in types of Go.
 func IsBuiltinType(name string) bool {
 	_, ok := builtInTypes[name]
 	return ok
 }
 
-// Returns the first non empty string from a list of arguements
+// Returns the first non empty string from a list of arguments.
 func FirstNonEmpty(strs ...string) string {
 	for _, str := range strs {
 		if len(str) > 0 {

model/type_info.go

@@ -9,7 +9,7 @@ type TypeInfo struct {
 	EmbeddedTypes []*EmbeddedTypeName // Used internally to identify controllers that indirectly embed *revel.Controller.
 }
 
-// Return the type information as a properly formatted import string
+// Return the type information as a properly formatted import string.
 func (s *TypeInfo) String() string {
 	return s.ImportPath + "." + s.StructName
 }

model/version.go

@@ -2,9 +2,10 @@ package model
 
 import (
 	"fmt"
-	"github.com/pkg/errors"
 	"regexp"
 	"strconv"
+
+	"github.com/pkg/errors"
 )
 
 type Version struct {
@@ -17,26 +18,24 @@ type Version struct {
 	MinGoVersion string
 }
 
-// The compatibility list
+// The compatibility list.
 var frameworkCompatibleRangeList = [][]string{
-	{"0.0.0", "0.20.0"}, // minimum Revel version to use with this version of the tool
+	{"0.0.0", "0.20.0"},   // minimum Revel version to use with this version of the tool
 	{"0.19.99", "0.30.0"}, // Compatible with Framework V 0.19.99 - 0.30.0
-	{"1.0.0", "1.1.0"}, // Compatible with Framework V 1.0 - 1.1
+	{"1.0.0", "1.9.0"},    // Compatible with Framework V 1.0 - 1.9
 }
 
-// Parses a version like v1.2.3a or 1.2
+// Parses a version like v1.2.3a or 1.2.
 var versionRegExp = regexp.MustCompile(`([^\d]*)?([0-9]*)\.([0-9]*)(\.([0-9]*))?(.*)`)
 
-// Parse the version and return it as a Version object
+// Parse the version and return it as a Version object.
 func ParseVersion(version string) (v *Version, err error) {
-
 	v = &Version{}
 	return v, v.ParseVersion(version)
 }
 
-// Parse the version and return it as a Version object
-func (v *Version)ParseVersion(version string) (err error) {
-
+// Parse the version and return it as a Version object.
+func (v *Version) ParseVersion(version string) (err error) {
 	parsedResult := versionRegExp.FindAllStringSubmatch(version, -1)
 	if len(parsedResult) != 1 {
 		err = errors.Errorf("Invalid version %s", version)
@@ -55,7 +54,8 @@ func (v *Version)ParseVersion(version string) (err error) {
 
 	return
 }
-// Returns 0 or an int value for the string, errors are returned as 0
+
+// Returns 0 or an int value for the string, errors are returned as 0.
 func (v *Version) intOrZero(input string) (value int) {
 	if input != "" {
 		value, _ = strconv.Atoi(input)
@@ -63,7 +63,7 @@ func (v *Version) intOrZero(input string) (value int) {
 	return value
 }
 
-// Returns true if this major revision is compatible
+// Returns true if this major revision is compatible.
 func (v *Version) CompatibleFramework(c *CommandConfig) error {
 	for i, rv := range frameworkCompatibleRangeList {
 		start, _ := ParseVersion(rv[0])
@@ -81,7 +81,7 @@ func (v *Version) CompatibleFramework(c *CommandConfig) error {
 	return errors.New("Tool out of date - do a 'go get -u github.com/revel/cmd/revel'")
 }
 
-// Returns true if this major revision is newer then the passed in
+// Returns true if this major revision is newer then the passed in.
 func (v *Version) MajorNewer(o *Version) bool {
 	if v.Major != o.Major {
 		return v.Major > o.Major
@@ -89,7 +89,7 @@ func (v *Version) MajorNewer(o *Version) bool {
 	return false
 }
 
-// Returns true if this major or major and minor revision is newer then the value passed in
+// Returns true if this major or major and minor revision is newer then the value passed in.
 func (v *Version) MinorNewer(o *Version) bool {
 	if v.Major != o.Major {
 		return v.Major > o.Major
@@ -100,7 +100,7 @@ func (v *Version) MinorNewer(o *Version) bool {
 	return false
 }
 
-// Returns true if the version is newer then the current on
+// Returns true if the version is newer then the current on.
 func (v *Version) Newer(o *Version) bool {
 	if v.Major != o.Major {
 		return v.Major > o.Major
@@ -114,13 +114,13 @@ func (v *Version) Newer(o *Version) bool {
 	return true
 }
 
-// Convert the version to a string
+// Convert the version to a string.
 func (v *Version) VersionString() string {
 	return fmt.Sprintf("%s%d.%d.%d%s", v.Prefix, v.Major, v.Minor, v.Maintenance, v.Suffix)
 }
 
-// Convert the version build date and go version to a string
+// Convert the version build date and go version to a string.
 func (v *Version) String() string {
-	return fmt.Sprintf("Version: %s%d.%d.%d%s\nBuild Date: %s\n Minimium Go Version: %s",
+	return fmt.Sprintf("Version: %s%d.%d.%d%s\nBuild Date: %s\n Minimum Go Version: %s",
 		v.Prefix, v.Major, v.Minor, v.Maintenance, v.Suffix, v.BuildDate, v.MinGoVersion)
 }

model/version_test.go

@@ -1,9 +1,10 @@
 package model_test
 
 import (
-	"github.com/stretchr/testify/assert"
 	"testing"
+
 	"github.com/revel/cmd/model"
+	"github.com/stretchr/testify/assert"
 )
 
 var versionTests = [][]string{
@@ -12,22 +13,23 @@ var versionTests = [][]string{
 	{"v0.20.", "v0.20.0"},
 	{"2.0", "2.0.0"},
 }
-// Test that the event handler can be attached and it dispatches the event received
+
+// Test that the event handler can be attached and it dispatches the event received.
 func TestVersion(t *testing.T) {
-	for _, v:= range versionTests {
-		p,e:=model.ParseVersion(v[0])
-		assert.Nil(t,e,"Should have parsed %s",v)
-		assert.Equal(t,p.String(),v[1], "Should be equal %s==%s",p.String(),v)
+	for _, v := range versionTests {
+		p, e := model.ParseVersion(v[0])
+		assert.Nil(t, e, "Should have parsed %s", v)
+		assert.Equal(t, p.String(), v[1], "Should be equal %s==%s", p.String(), v)
 	}
 }
 
-// test the ranges
+// test the ranges.
 func TestVersionRange(t *testing.T) {
-	a,_ := model.ParseVersion("0.1.2")
-	b,_ := model.ParseVersion("0.2.1")
-	c,_ := model.ParseVersion("1.0.1")
+	a, _ := model.ParseVersion("0.1.2")
+	b, _ := model.ParseVersion("0.2.1")
+	c, _ := model.ParseVersion("1.0.1")
 	assert.True(t, b.MinorNewer(a), "B is newer then A")
 	assert.False(t, b.MajorNewer(a), "B is not major newer then A")
 	assert.False(t, b.MajorNewer(c), "B is not major newer then A")
 	assert.True(t, c.MajorNewer(b), "C is major newer then b")
-}
+}

parser/appends.go

@@ -2,9 +2,10 @@ package parser
 
 import (
 	"go/ast"
-	"github.com/revel/cmd/utils"
-	"github.com/revel/cmd/model"
 	"go/token"
+
+	"github.com/revel/cmd/model"
+	"github.com/revel/cmd/utils"
 )
 
 // If this Decl is a struct type definition, it is summarized and added to specs.
@@ -91,7 +92,7 @@ func appendStruct(fileName string, specs []*model.TypeInfo, pkgImportPath string
 
 // If decl is a Method declaration, it is summarized and added to the array
 // underneath its receiver type.
-// e.g. "Login" => {MethodSpec, MethodSpec, ..}
+// e.g. "Login" => {MethodSpec, MethodSpec, ..}.
 func appendAction(fset *token.FileSet, mm methodMap, decl ast.Decl, pkgImportPath, pkgName string, imports map[string]string) {
 	// Func declaration?
 	funcDecl, ok := decl.(*ast.FuncDecl)
@@ -194,7 +195,7 @@ func appendAction(fset *token.FileSet, mm methodMap, decl ast.Decl, pkgImportPat
 	})
 
 	var recvTypeName string
-	var recvType = funcDecl.Recv.List[0].Type
+	recvType := funcDecl.Recv.List[0].Type
 	if recvStarType, ok := recvType.(*ast.StarExpr); ok {
 		recvTypeName = recvStarType.X.(*ast.Ident).Name
 	} else {
@@ -204,7 +205,7 @@ func appendAction(fset *token.FileSet, mm methodMap, decl ast.Decl, pkgImportPat
 	mm[recvTypeName] = append(mm[recvTypeName], method)
 }
 
-// Combine the 2 source info models into one
+// Combine the 2 source info models into one.
 func appendSourceInfo(srcInfo1, srcInfo2 *model.SourceInfo) *model.SourceInfo {
 	if srcInfo1 == nil {
 		return srcInfo2

parser/imports.go

@@ -1,15 +1,16 @@
 package parser
 
 import (
-	"github.com/revel/cmd/utils"
 	"go/ast"
 	"go/build"
 	"go/token"
 	"path/filepath"
 	"strings"
+
+	"github.com/revel/cmd/utils"
 )
 
-// Add imports to the map from the source dir
+// Add imports to the map from the source dir.
 func addImports(imports map[string]string, decl ast.Decl, srcDir string) {
 	genDecl, ok := decl.(*ast.GenDecl)
 	if !ok {
@@ -42,7 +43,6 @@ func addImports(imports map[string]string, decl ast.Decl, srcDir string) {
 		// 2. Exempt the standard library; their directories always match the package name.
 		// 3. Can use build.FindOnly and then use parser.ParseDir with mode PackageClauseOnly
 		if pkgAlias == "" {
-
 			utils.Logger.Debug("Reading from build", "path", fullPath, "srcPath", srcDir, "gopath", build.Default.GOPATH)
 			pkg, err := build.Import(fullPath, srcDir, 0)
 			if err != nil {
@@ -63,7 +63,7 @@ func addImports(imports map[string]string, decl ast.Decl, srcDir string) {
 }
 
 // Returns a valid import string from the path
-// using the build.Defaul.GOPATH to determine the root
+// using the build.Defaul.GOPATH to determine the root.
 func importPathFromPath(root, basePath string) string {
 	vendorTest := filepath.Join(basePath, "vendor")
 	if len(root) > len(vendorTest) && root[:len(vendorTest)] == vendorTest {

parser/reflect.go

@@ -8,6 +8,7 @@ package parser
 // It catalogs the controllers, their methods, and their arguments.
 
 import (
+	"errors"
 	"go/ast"
 	"go/parser"
 	"go/scanner"
@@ -20,7 +21,7 @@ import (
 	"github.com/revel/cmd/utils"
 )
 
-// A container used to support the reflection package
+// A container used to support the reflection package.
 type processContainer struct {
 	root, rootImportPath string                // The paths
 	paths                *model.RevelContainer // The Revel paths
@@ -54,7 +55,7 @@ func ProcessSource(paths *model.RevelContainer) (_ *model.SourceInfo, compileErr
 	return pc.srcInfo, compileError
 }
 
-// Called during the "walk process"
+// Called during the "walk process".
 func (pc *processContainer) processPath(path string, info os.FileInfo, err error) error {
 	if err != nil {
 		utils.Logger.Error("Error scanning app source:", "error", err)
@@ -83,8 +84,9 @@ func (pc *processContainer) processPath(path string, info os.FileInfo, err error
 		0)
 
 	if err != nil {
-		if errList, ok := err.(scanner.ErrorList); ok {
-			var pos = errList[0].Pos
+		var errList scanner.ErrorList
+		if errors.As(err, &errList) {
+			pos := errList[0].Pos
 			newError := &utils.SourceError{
 				SourceType:  ".go source",
 				Title:       "Go Compilation Error",
@@ -114,7 +116,7 @@ func (pc *processContainer) processPath(path string, info os.FileInfo, err error
 	// These cannot be included in source code that is not generated specifically as a test
 	for i := range pkgs {
 		if len(i) > 6 {
-			if string(i[len(i)-5:]) == "_test" {
+			if i[len(i)-5:] == "_test" {
 				delete(pkgs, i)
 			}
 		}
@@ -146,7 +148,7 @@ func (pc *processContainer) processPath(path string, info os.FileInfo, err error
 	return nil
 }
 
-// Process a single package within a file
+// Process a single package within a file.
 func processPackage(fset *token.FileSet, pkgImportPath, pkgPath string, pkg *ast.Package) *model.SourceInfo {
 	var (
 		structSpecs     []*model.TypeInfo

parser/reflect_test.go

@@ -67,7 +67,7 @@ var expectedValidationKeys = []map[int]string{
 	},
 }
 
-// This tests the recording of line number to validation key of the preceeding
+// This tests the recording of line number to validation key of the preceding
 // example source.
 func TestGetValidationKeys(t *testing.T) {
 	fset := token.NewFileSet()

parser/validation.go

@@ -1,10 +1,11 @@
 package parser
 
 import (
-	"github.com/revel/cmd/model"
-	"github.com/revel/cmd/utils"
 	"go/ast"
 	"go/token"
+
+	"github.com/revel/cmd/model"
+	"github.com/revel/cmd/utils"
 )
 
 // Scan app source code for calls to X.Y(), where X is of type *Validation.

parser2/source_info_processor.go

@@ -1,14 +1,15 @@
 package parser2
 
 import (
-	"github.com/revel/cmd/utils"
-	"golang.org/x/tools/go/packages"
-	"github.com/revel/cmd/model"
 	"go/ast"
 	"go/token"
-	"strings"
 	"path/filepath"
+	"strings"
+
 	"github.com/revel/cmd/logger"
+	"github.com/revel/cmd/model"
+	"github.com/revel/cmd/utils"
+	"golang.org/x/tools/go/packages"
 )
 
 type (
@@ -18,7 +19,7 @@ type (
 )
 
 func NewSourceInfoProcessor(sourceProcessor *SourceProcessor) *SourceInfoProcessor {
-	return &SourceInfoProcessor{sourceProcessor:sourceProcessor}
+	return &SourceInfoProcessor{sourceProcessor: sourceProcessor}
 }
 
 func (s *SourceInfoProcessor) processPackage(p *packages.Package) (sourceInfo *model.SourceInfo) {
@@ -37,13 +38,12 @@ func (s *SourceInfoProcessor) processPackage(p *packages.Package) (sourceInfo *m
 	log.Info("Processing package")
 	for _, tree := range p.Syntax {
 		for _, decl := range tree.Decls {
-
 			s.sourceProcessor.packageMap[p.PkgPath] = filepath.Dir(p.Fset.Position(decl.Pos()).Filename)
 			if !s.addImport(decl, p, localImportMap, log) {
 				continue
 			}
 			spec, found := s.getStructTypeDecl(decl, p.Fset)
-			//log.Info("Checking file","filename", p.Fset.Position(decl.Pos()).Filename,"found",found)
+			// log.Info("Checking file","filename", p.Fset.Position(decl.Pos()).Filename,"found",found)
 			if found {
 				if isController || isTest {
 					controllerSpec := s.getControllerSpec(spec, p, localImportMap)
@@ -62,14 +62,14 @@ func (s *SourceInfoProcessor) processPackage(p *packages.Package) (sourceInfo *m
 					funcDecl.Name.IsExported() && // be public
 					funcDecl.Type.Results != nil && len(funcDecl.Type.Results.List) == 1 {
 					// return one result
-					if m, receiver := s.getControllerFunc(funcDecl, p); m != nil {
+					if m, receiver := s.getControllerFunc(funcDecl, p, localImportMap); m != nil {
 						methodMap[receiver] = append(methodMap[receiver], m)
 						log.Info("Added method map to ", "receiver", receiver, "method", m.Name)
 					}
 				}
 				// Check for validation
 				if lineKeyMap := s.getValidation(funcDecl, p); len(lineKeyMap) > 1 {
-					sourceInfo.ValidationKeys[p.PkgPath + "." + s.getFuncName(funcDecl)] = lineKeyMap
+					sourceInfo.ValidationKeys[p.PkgPath+"."+s.getFuncName(funcDecl)] = lineKeyMap
 				}
 				if funcDecl.Name.Name == "init" {
 					sourceInfo.InitImportPaths = append(sourceInfo.InitImportPaths, p.PkgPath)
@@ -85,6 +85,7 @@ func (s *SourceInfoProcessor) processPackage(p *packages.Package) (sourceInfo *m
 
 	return
 }
+
 // Scan app source code for calls to X.Y(), where X is of type *Validation.
 //
 // Recognize these scenarios:
@@ -99,7 +100,7 @@ func (s *SourceInfoProcessor) processPackage(p *packages.Package) (sourceInfo *m
 //
 // The end result is that we can set the default validation key for each call to
 // be the same as the local variable.
-func (s *SourceInfoProcessor) getValidation(funcDecl *ast.FuncDecl, p *packages.Package) (map[int]string) {
+func (s *SourceInfoProcessor) getValidation(funcDecl *ast.FuncDecl, p *packages.Package) map[int]string {
 	var (
 		lineKeys = make(map[int]string)
 
@@ -165,10 +166,10 @@ func (s *SourceInfoProcessor) getValidation(funcDecl *ast.FuncDecl, p *packages.
 	})
 
 	return lineKeys
-
 }
+
 // Check to see if there is a *revel.Validation as an argument.
-func (s *SourceInfoProcessor)  getValidationParameter(funcDecl *ast.FuncDecl) *ast.Object {
+func (s *SourceInfoProcessor) getValidationParameter(funcDecl *ast.FuncDecl) *ast.Object {
 	for _, field := range funcDecl.Type.Params.List {
 		starExpr, ok := field.Type.(*ast.StarExpr) // e.g. *revel.Validation
 		if !ok {
@@ -191,7 +192,8 @@ func (s *SourceInfoProcessor)  getValidationParameter(funcDecl *ast.FuncDecl) *a
 	}
 	return nil
 }
-func (s *SourceInfoProcessor) getControllerFunc(funcDecl *ast.FuncDecl, p *packages.Package) (method *model.MethodSpec, recvTypeName string) {
+
+func (s *SourceInfoProcessor) getControllerFunc(funcDecl *ast.FuncDecl, p *packages.Package, localImportMap map[string]string) (method *model.MethodSpec, recvTypeName string) {
 	selExpr, ok := funcDecl.Type.Results.List[0].Type.(*ast.SelectorExpr)
 	if !ok {
 		return
@@ -220,8 +222,11 @@ func (s *SourceInfoProcessor) getControllerFunc(funcDecl *ast.FuncDecl, p *packa
 				importPath = p.PkgPath
 			} else if typeExpr.PkgName != "" {
 				var ok bool
-				if importPath, ok = s.sourceProcessor.importMap[typeExpr.PkgName]; !ok {
-					utils.Logger.Fatalf("Failed to find import for arg of type: %s , %s", typeExpr.PkgName, typeExpr.TypeName(""))
+				if importPath, ok = localImportMap[typeExpr.PkgName]; !ok {
+					if importPath, ok = s.sourceProcessor.importMap[typeExpr.PkgName]; !ok {
+						utils.Logger.Error("Unable to find import", "importMap", s.sourceProcessor.importMap, "localimport", localImportMap)
+						utils.Logger.Fatalf("Failed to find import for arg of type: %s , %s", typeExpr.PkgName, typeExpr.TypeName(""))
+					}
 				}
 			}
 			method.Args = append(method.Args, &model.MethodArg{
@@ -271,7 +276,7 @@ func (s *SourceInfoProcessor) getControllerFunc(funcDecl *ast.FuncDecl, p *packa
 		return true
 	})
 
-	var recvType = funcDecl.Recv.List[0].Type
+	recvType := funcDecl.Recv.List[0].Type
 	if recvStarType, ok := recvType.(*ast.StarExpr); ok {
 		recvTypeName = recvStarType.X.(*ast.Ident).Name
 	} else {
@@ -279,6 +284,7 @@ func (s *SourceInfoProcessor) getControllerFunc(funcDecl *ast.FuncDecl, p *packa
 	}
 	return
 }
+
 func (s *SourceInfoProcessor) getControllerSpec(spec *ast.TypeSpec, p *packages.Package, localImportMap map[string]string) (controllerSpec *model.TypeInfo) {
 	structType := spec.Type.(*ast.StructType)
 
@@ -339,9 +345,9 @@ func (s *SourceInfoProcessor) getControllerSpec(spec *ast.TypeSpec, p *packages.
 		} else {
 			var ok bool
 			if importPath, ok = localImportMap[pkgName]; !ok {
-				log.Debug("Debug: Unusual, failed to find package locally ", "package", pkgName, "type", typeName, "map", s.sourceProcessor.importMap, "usedin", )
+				log.Debug("Debug: Unusual, failed to find package locally ", "package", pkgName, "type", typeName, "map", s.sourceProcessor.importMap, "usedin")
 				if importPath, ok = s.sourceProcessor.importMap[pkgName]; !ok {
-					log.Error("Error: Failed to find import path for ", "package", pkgName, "type", typeName, "map", s.sourceProcessor.importMap, "usedin", )
+					log.Error("Error: Failed to find import path for ", "package", pkgName, "type", typeName, "map", s.sourceProcessor.importMap, "usedin")
 					continue
 				}
 			}
@@ -355,6 +361,7 @@ func (s *SourceInfoProcessor) getControllerSpec(spec *ast.TypeSpec, p *packages.
 	s.sourceProcessor.log.Info("Added controller spec", "name", controllerSpec.StructName, "package", controllerSpec.ImportPath)
 	return
 }
+
 func (s *SourceInfoProcessor) getStructTypeDecl(decl ast.Decl, fset *token.FileSet) (spec *ast.TypeSpec, found bool) {
 	genDecl, ok := decl.(*ast.GenDecl)
 	if !ok {
@@ -374,8 +381,8 @@ func (s *SourceInfoProcessor) getStructTypeDecl(decl ast.Decl, fset *token.FileS
 	_, found = spec.Type.(*ast.StructType)
 
 	return
-
 }
+
 func (s *SourceInfoProcessor) getFuncName(funcDecl *ast.FuncDecl) string {
 	prefix := ""
 	if funcDecl.Recv != nil {
@@ -389,6 +396,7 @@ func (s *SourceInfoProcessor) getFuncName(funcDecl *ast.FuncDecl) string {
 	}
 	return prefix + funcDecl.Name.Name
 }
+
 func (s *SourceInfoProcessor) addImport(decl ast.Decl, p *packages.Package, localImportMap map[string]string, log logger.MultiLogger) (shouldContinue bool) {
 	shouldContinue = true
 	genDecl, ok := decl.(*ast.GenDecl)
@@ -400,7 +408,7 @@ func (s *SourceInfoProcessor) addImport(decl ast.Decl, p *packages.Package, loca
 		shouldContinue = false
 		for _, spec := range genDecl.Specs {
 			importSpec := spec.(*ast.ImportSpec)
-			//fmt.Printf("*** import specification %#v\n", importSpec)
+			// fmt.Printf("*** import specification %#v\n", importSpec)
 			var pkgAlias string
 			if importSpec.Name != nil {
 				pkgAlias = importSpec.Name.Name
@@ -409,16 +417,15 @@ func (s *SourceInfoProcessor) addImport(decl ast.Decl, p *packages.Package, loca
 				}
 			}
 			quotedPath := importSpec.Path.Value           // e.g. "\"sample/app/models\""
-			fullPath := quotedPath[1 : len(quotedPath) - 1] // Remove the quotes
+			fullPath := quotedPath[1 : len(quotedPath)-1] // Remove the quotes
 			if pkgAlias == "" {
 				pkgAlias = fullPath
 				if index := strings.LastIndex(pkgAlias, "/"); index > 0 {
-					pkgAlias = pkgAlias[index + 1:]
+					pkgAlias = pkgAlias[index+1:]
 				}
 			}
 			localImportMap[pkgAlias] = fullPath
 		}
-
 	}
 	return
-}
+}

parser2/source_processor.go

@@ -1,18 +1,19 @@
 package parser2
 
 import (
-	"github.com/revel/cmd/model"
-	"golang.org/x/tools/go/packages"
-	"github.com/revel/cmd/utils"
+	"errors"
+	"go/ast"
 	"go/parser"
-	"strings"
-	"github.com/revel/cmd/logger"
+	"go/scanner"
+	"go/token"
 	"os"
 	"path/filepath"
-	"go/ast"
-	"go/token"
-	"go/scanner"
+	"strings"
 
+	"github.com/revel/cmd/logger"
+	"github.com/revel/cmd/model"
+	"github.com/revel/cmd/utils"
+	"golang.org/x/tools/go/packages"
 )
 
 type (
@@ -40,7 +41,7 @@ func ProcessSource(revelContainer *model.RevelContainer) (sourceInfo *model.Sour
 }
 
 func NewSourceProcessor(revelContainer *model.RevelContainer) *SourceProcessor {
-	s := &SourceProcessor{revelContainer:revelContainer, log:utils.Logger.New("parser", "SourceProcessor")}
+	s := &SourceProcessor{revelContainer: revelContainer, log: utils.Logger.New("parser", "SourceProcessor")}
 	s.sourceInfoProcessor = NewSourceInfoProcessor(s)
 	return s
 }
@@ -78,49 +79,48 @@ func (s *SourceProcessor) parse() (compileError error) {
 }
 
 // Using the packages.Load function load all the packages and type specifications (forces compile).
-// this sets the SourceProcessor.packageList         []*packages.Package
+// this sets the SourceProcessor.packageList         []*packages.Package.
 func (s *SourceProcessor) addPackages() (err error) {
 	allPackages := []string{model.RevelImportPath + "/..."}
 	for _, module := range s.revelContainer.ModulePathMap {
-		allPackages = append(allPackages, module.ImportPath + "/...") // +"/app/controllers/...")
+		allPackages = append(allPackages, module.ImportPath+"/...") // +"/app/controllers/...")
 	}
 	s.log.Info("Reading packages", "packageList", allPackages)
-	//allPackages = []string{s.revelContainer.ImportPath + "/..."} //+"/app/controllers/..."}
+	// allPackages = []string{s.revelContainer.ImportPath + "/..."} //+"/app/controllers/..."}
 
 	config := &packages.Config{
 		// ode: packages.NeedSyntax | packages.NeedCompiledGoFiles,
-		Mode:
-		packages.NeedTypes | // For compile error
+		Mode: packages.NeedTypes | // For compile error
 			packages.NeedDeps | // To load dependent files
 			packages.NeedName | // Loads the full package name
 			packages.NeedSyntax, // To load ast tree (for end points)
-		//Mode:	packages.NeedName | packages.NeedFiles | packages.NeedCompiledGoFiles |
+		// Mode:	packages.NeedName | packages.NeedFiles | packages.NeedCompiledGoFiles |
 		//	packages.NeedImports | packages.NeedDeps | packages.NeedExportsFile |
 		//	packages.NeedTypes | packages.NeedSyntax | packages.NeedTypesInfo |
 		//	packages.NeedTypesSizes,
 
-		//Mode: packages.NeedName | packages.NeedImports | packages.NeedDeps | packages.NeedExportsFile | packages.NeedFiles |
+		// Mode: packages.NeedName | packages.NeedImports | packages.NeedDeps | packages.NeedExportsFile | packages.NeedFiles |
 		//	packages.NeedCompiledGoFiles | packages.NeedTypesSizes |
 		//	packages.NeedSyntax | packages.NeedCompiledGoFiles ,
-		//Mode:  packages.NeedSyntax | packages.NeedCompiledGoFiles |  packages.NeedName | packages.NeedFiles |
+		// Mode:  packages.NeedSyntax | packages.NeedCompiledGoFiles |  packages.NeedName | packages.NeedFiles |
 		//	packages.LoadTypes | packages.NeedTypes | packages.NeedDeps,  //, // |
 		// packages.NeedTypes, // packages.LoadTypes | packages.NeedSyntax | packages.NeedTypesInfo,
-		//packages.LoadSyntax | packages.NeedDeps,
-		Dir:s.revelContainer.AppPath,
+		// packages.LoadSyntax | packages.NeedDeps,
+		Dir: s.revelContainer.AppPath,
 	}
+	config.Env = utils.ReducedEnv(false)
 	s.packageList, err = packages.Load(config, allPackages...)
 	s.log.Info("Loaded modules ", "len results", len(s.packageList), "error", err)
 
-
 	// Now process the files in the aap source folder	s.revelContainer.ImportPath + "/...",
-	err = utils.Walk(s.revelContainer.AppPath, s.processPath)
+	err = utils.Walk(s.revelContainer.BasePath, s.processPath)
 	s.log.Info("Loaded apps and modules ", "len results", len(s.packageList), "error", err)
 	return
 }
 
 // This callback is used to build the packages for the "app" package. This allows us to
 // parse the source files without doing a full compile on them
-// This callback only processes folders, so any files passed to this will return a nil
+// This callback only processes folders, so any files passed to this will return a nil.
 func (s *SourceProcessor) processPath(path string, info os.FileInfo, err error) error {
 	if err != nil {
 		s.log.Error("Error scanning app source:", "error", err)
@@ -138,6 +138,8 @@ func (s *SourceProcessor) processPath(path string, info os.FileInfo, err error)
 	if appPath != path {
 		pkgImportPath = s.revelContainer.ImportPath + "/" + filepath.ToSlash(path[len(appPath)+1:])
 	}
+	s.log.Info("Processing source package folder", "package", pkgImportPath, "path", path)
+
 	// Parse files within the path.
 	var pkgMap map[string]*ast.Package
 	fset := token.NewFileSet()
@@ -150,8 +152,9 @@ func (s *SourceProcessor) processPath(path string, info os.FileInfo, err error)
 		0)
 
 	if err != nil {
-		if errList, ok := err.(scanner.ErrorList); ok {
-			var pos = errList[0].Pos
+		var errList scanner.ErrorList
+		if errors.As(err, &errList) {
+			pos := errList[0].Pos
 			newError := &utils.SourceError{
 				SourceType:  ".go source",
 				Title:       "Go Compilation Error",
@@ -173,6 +176,7 @@ func (s *SourceProcessor) processPath(path string, info os.FileInfo, err error)
 		ast.Print(nil, err)
 		s.log.Fatal("Failed to parse dir", "error", err)
 	}
+
 	// Skip "main" packages.
 	delete(pkgMap, "main")
 
@@ -180,7 +184,7 @@ func (s *SourceProcessor) processPath(path string, info os.FileInfo, err error)
 	// These cannot be included in source code that is not generated specifically as a test
 	for i := range pkgMap {
 		if len(i) > 6 {
-			if string(i[len(i)-5:]) == "_test" {
+			if i[len(i)-5:] == "_test" {
 				delete(pkgMap, i)
 			}
 		}
@@ -194,7 +198,7 @@ func (s *SourceProcessor) processPath(path string, info os.FileInfo, err error)
 	// There should be only one package in this directory.
 	if len(pkgMap) > 1 {
 		for i := range pkgMap {
-			println("Found package ", i)
+			println("Found duplicate packages in single directory ", i)
 		}
 		utils.Logger.Fatal("Most unexpected! Multiple packages in a single directory:", "packages", pkgMap)
 	}
@@ -205,10 +209,10 @@ func (s *SourceProcessor) processPath(path string, info os.FileInfo, err error)
 	p.Fset = fset
 	for _, pkg := range pkgMap {
 		p.Name = pkg.Name
-		s.log.Info("Found package","pkg.Name", pkg.Name,"p.Name", p.PkgPath)
-		for filename,astFile := range pkg.Files {
-			p.Syntax = append(p.Syntax,astFile)
-			p.GoFiles = append(p.GoFiles,filename)
+		s.log.Info("Found package", "pkg.Name", pkg.Name, "p.Name", p.PkgPath)
+		for filename, astFile := range pkg.Files {
+			p.Syntax = append(p.Syntax, astFile)
+			p.GoFiles = append(p.GoFiles, filename)
 		}
 	}
 	s.packageList = append(s.packageList, p)
@@ -217,12 +221,11 @@ func (s *SourceProcessor) processPath(path string, info os.FileInfo, err error)
 }
 
 // This function is used to populate a map so that we can lookup controller embedded types in order to determine
-// if a Struct inherits from from revel.Controller
+// if a Struct inherits from from revel.Controller.
 func (s *SourceProcessor) addImportMap() (err error) {
 	s.importMap = map[string]string{}
 	s.packageMap = map[string]string{}
 	for _, p := range s.packageList {
-
 		if len(p.Errors) > 0 {
 			// Generate a compile error
 			for _, e := range p.Errors {

proxy/proxy.go

@@ -9,5 +9,4 @@
 // 2. Monitor the user source and restart the program when necessary.
 //
 // Source files are generated in the app/tmp directory.
-
 package proxy

revel/build.go

@@ -5,11 +5,11 @@
 package main
 
 import (
+	"fmt"
 	"os"
 	"path/filepath"
 	"strings"
 
-	"fmt"
 	"github.com/revel/cmd/harness"
 	"github.com/revel/cmd/model"
 	"github.com/revel/cmd/utils"
@@ -34,7 +34,7 @@ func init() {
 	cmdBuild.UpdateConfig = updateBuildConfig
 }
 
-// The update config updates the configuration command so that it can run
+// The update config updates the configuration command so that it can run.
 func updateBuildConfig(c *model.CommandConfig, args []string) bool {
 	c.Index = model.BUILD
 	if c.Build.TargetPath == "" {
@@ -57,9 +57,8 @@ func updateBuildConfig(c *model.CommandConfig, args []string) bool {
 	return true
 }
 
-// The main entry point to build application from command line
+// The main entry point to build application from command line.
 func buildApp(c *model.CommandConfig) (err error) {
-
 	appImportPath, destPath, mode := c.ImportPath, c.Build.TargetPath, DefaultRunMode
 	if len(c.Build.Mode) > 0 {
 		mode = c.Build.Mode
@@ -70,7 +69,7 @@ func buildApp(c *model.CommandConfig) (err error) {
 	c.Build.Mode = mode
 	c.Build.ImportPath = appImportPath
 
-	revel_paths, err := model.NewRevelPaths(mode, appImportPath, c.AppPath, model.NewWrappedRevelCallback(nil, c.PackageResolver))
+	revelPaths, err := model.NewRevelPaths(mode, appImportPath, c.AppPath, model.NewWrappedRevelCallback(nil, c.PackageResolver))
 	if err != nil {
 		return
 	}
@@ -80,7 +79,7 @@ func buildApp(c *model.CommandConfig) (err error) {
 	}
 
 	// Ensure the application can be built, this generates the main file
-	app, err := harness.Build(c, revel_paths)
+	app, err := harness.Build(c, revelPaths)
 	if err != nil {
 		return err
 	}
@@ -91,11 +90,11 @@ func buildApp(c *model.CommandConfig) (err error) {
 	// - revel
 	// - app
 
-	packageFolders, err := buildCopyFiles(c, app, revel_paths)
+	packageFolders, err := buildCopyFiles(c, app, revelPaths)
 	if err != nil {
 		return
 	}
-	err = buildCopyModules(c, revel_paths, packageFolders, app)
+	err = buildCopyModules(c, revelPaths, packageFolders, app)
 	if err != nil {
 		return
 	}
@@ -106,36 +105,36 @@ func buildApp(c *model.CommandConfig) (err error) {
 	return
 }
 
-// Copy the files to the target
-func buildCopyFiles(c *model.CommandConfig, app *harness.App, revel_paths *model.RevelContainer) (packageFolders []string, err error) {
+// Copy the files to the target.
+func buildCopyFiles(c *model.CommandConfig, app *harness.App, revelPaths *model.RevelContainer) (packageFolders []string, err error) {
 	appImportPath, destPath := c.ImportPath, c.Build.TargetPath
 
 	// Revel and the app are in a directory structure mirroring import path
 	srcPath := filepath.Join(destPath, "src")
 	destBinaryPath := filepath.Join(destPath, filepath.Base(app.BinaryPath))
 	tmpRevelPath := filepath.Join(srcPath, filepath.FromSlash(model.RevelImportPath))
-	if err = utils.CopyFile(destBinaryPath, filepath.Join(revel_paths.BasePath, app.BinaryPath)); err != nil {
+	if err = utils.CopyFile(destBinaryPath, filepath.Join(revelPaths.BasePath, app.BinaryPath)); err != nil {
 		return
 	}
 	utils.MustChmod(destBinaryPath, 0755)
 
 	// Copy the templates  from the revel
-	if err = utils.CopyDir(filepath.Join(tmpRevelPath, "conf"), filepath.Join(revel_paths.RevelPath, "conf"), nil); err != nil {
+	if err = utils.CopyDir(filepath.Join(tmpRevelPath, "conf"), filepath.Join(revelPaths.RevelPath, "conf"), nil); err != nil {
 		return
 	}
-	if err = utils.CopyDir(filepath.Join(tmpRevelPath, "templates"), filepath.Join(revel_paths.RevelPath, "templates"), nil); err != nil {
+	if err = utils.CopyDir(filepath.Join(tmpRevelPath, "templates"), filepath.Join(revelPaths.RevelPath, "templates"), nil); err != nil {
 		return
 	}
 
 	// Get the folders to be packaged
-	packageFolders = strings.Split(revel_paths.Config.StringDefault("package.folders", "conf,public,app/views"), ",")
+	packageFolders = strings.Split(revelPaths.Config.StringDefault("package.folders", "conf,public,app/views"), ",")
 	for i, p := range packageFolders {
 		// Clean spaces, reformat slash to filesystem
 		packageFolders[i] = filepath.FromSlash(strings.TrimSpace(p))
 	}
 
 	if c.Build.CopySource {
-		err = utils.CopyDir(filepath.Join(srcPath, filepath.FromSlash(appImportPath)), revel_paths.BasePath, nil)
+		err = utils.CopyDir(filepath.Join(srcPath, filepath.FromSlash(appImportPath)), revelPaths.BasePath, nil)
 		if err != nil {
 			return
 		}
@@ -143,7 +142,7 @@ func buildCopyFiles(c *model.CommandConfig, app *harness.App, revel_paths *model
 		for _, folder := range packageFolders {
 			err = utils.CopyDir(
 				filepath.Join(srcPath, filepath.FromSlash(appImportPath), folder),
-				filepath.Join(revel_paths.BasePath, folder),
+				filepath.Join(revelPaths.BasePath, folder),
 				nil)
 			if err != nil {
 				return
@@ -154,11 +153,11 @@ func buildCopyFiles(c *model.CommandConfig, app *harness.App, revel_paths *model
 	return
 }
 
-// Based on the section copy over the build modules
-func buildCopyModules(c *model.CommandConfig, revel_paths *model.RevelContainer, packageFolders []string, app *harness.App) (err error) {
+// Based on the section copy over the build modules.
+func buildCopyModules(c *model.CommandConfig, revelPaths *model.RevelContainer, packageFolders []string, app *harness.App) (err error) {
 	destPath := filepath.Join(c.Build.TargetPath, "src")
 	// Find all the modules used and copy them over.
-	config := revel_paths.Config.Raw()
+	config := revelPaths.Config.Raw()
 
 	// We should only copy over the section of options what the build is targeted for
 	// We will default to prod
@@ -178,7 +177,6 @@ func buildCopyModules(c *model.CommandConfig, revel_paths *model.RevelContainer,
 				continue
 			}
 			moduleImportList = append(moduleImportList, moduleImportPath)
-
 		}
 	}
 
@@ -207,7 +205,7 @@ func buildCopyModules(c *model.CommandConfig, revel_paths *model.RevelContainer,
 	return
 }
 
-// Write the run scripts for the build
+// Write the run scripts for the build.
 func buildWriteScripts(c *model.CommandConfig, app *harness.App) (err error) {
 	tmplData := map[string]interface{}{
 		"BinName":    filepath.Base(app.BinaryPath),
@@ -238,9 +236,8 @@ func buildWriteScripts(c *model.CommandConfig, app *harness.App) (err error) {
 	return
 }
 
-// Checks to see if the target folder exists and can be created
+// Checks to see if the target folder exists and can be created.
 func buildSafetyCheck(destPath string) error {
-
 	// First, verify that it is either already empty or looks like a previous
 	// build (to avoid clobbering anything)
 	if utils.Exists(destPath) && !utils.Empty(destPath) && !utils.Exists(filepath.Join(destPath, "run.sh")) {
@@ -262,6 +259,7 @@ const PACKAGE_RUN_SH = `#!/bin/sh
 SCRIPTPATH=$(cd "$(dirname "$0")"; pwd)
 "$SCRIPTPATH/{{.BinName}}" -importPath {{.ImportPath}} -srcPath "$SCRIPTPATH/src" -runMode {{.Mode}}
 `
+
 const PACKAGE_RUN_BAT = `@echo off
 
 {{.BinName}} -importPath {{.ImportPath}} -srcPath "%CD%\src" -runMode {{.Mode}}

revel/build_test.go

@@ -1,24 +1,25 @@
 package main_test
 
 import (
-	"github.com/revel/cmd/model"
-	"github.com/revel/cmd/revel"
-	"github.com/revel/cmd/utils"
-	"github.com/stretchr/testify/assert"
 	"os"
 	"path/filepath"
 	"testing"
+
+	"github.com/revel/cmd/model"
+	main "github.com/revel/cmd/revel"
+	"github.com/revel/cmd/utils"
+	"github.com/stretchr/testify/assert"
 )
 
-// test the commands
+// test the commands.
 func TestBuild(t *testing.T) {
 	a := assert.New(t)
-	gopath := setup("revel-test-build",  a)
+	gopath := setup("revel-test-build", a)
 
 	t.Run("Build", func(t *testing.T) {
 		a := assert.New(t)
 		c := newApp("build-test", model.NEW, nil, a)
-		main.Commands[model.NEW].RunWith(c)
+		a.Nil(main.Commands[model.NEW].RunWith(c), "failed to run new")
 		c.Index = model.BUILD
 		c.Build.TargetPath = filepath.Join(gopath, "build-test", "target")
 		c.Build.ImportPath = c.ImportPath
@@ -26,6 +27,21 @@ func TestBuild(t *testing.T) {
 		a.True(utils.Exists(filepath.Join(gopath, "build-test", "target")))
 	})
 
+	t.Run("Build-withFlags", func(t *testing.T) {
+		a := assert.New(t)
+		c := newApp("build-test-WithFlags", model.NEW, nil, a)
+		c.BuildFlags = []string{
+			"build-test-WithFlags/app.AppVersion=SomeValue",
+			"build-test-WithFlags/app.SomeOtherValue=SomeValue",
+		}
+		a.Nil(main.Commands[model.NEW].RunWith(c), "failed to run new")
+		c.Index = model.BUILD
+		c.Build.TargetPath = filepath.Join(gopath, "build-test", "target")
+		c.Build.ImportPath = c.ImportPath
+		a.Nil(main.Commands[model.BUILD].RunWith(c), "Failed to run build-test-withFlags")
+		a.True(utils.Exists(filepath.Join(gopath, "build-test", "target")))
+	})
+
 	if !t.Failed() {
 		if err := os.RemoveAll(gopath); err != nil {
 			a.Fail("Failed to remove test path")

revel/clean.go

@@ -6,11 +6,11 @@ package main
 
 import (
 	"fmt"
-	"github.com/revel/cmd/model"
-	"github.com/revel/cmd/utils"
-
 	"os"
 	"path/filepath"
+
+	"github.com/revel/cmd/model"
+	"github.com/revel/cmd/utils"
 )
 
 var cmdClean = &Command{
@@ -34,7 +34,7 @@ func init() {
 	cmdClean.RunWith = cleanApp
 }
 
-// Update the clean command configuration, using old method
+// Update the clean command configuration, using old method.
 func updateCleanConfig(c *model.CommandConfig, args []string) bool {
 	c.Index = model.CLEAN
 	if len(args) == 0 && c.Clean.ImportPath != "" {
@@ -48,9 +48,8 @@ func updateCleanConfig(c *model.CommandConfig, args []string) bool {
 	return true
 }
 
-// Clean the source directory of generated files
+// Clean the source directory of generated files.
 func cleanApp(c *model.CommandConfig) (err error) {
-
 	purgeDirs := []string{
 		filepath.Join(c.AppPath, "app", "tmp"),
 		filepath.Join(c.AppPath, "app", "routes"),

revel/clean_test.go

@@ -1,27 +1,30 @@
 package main_test
 
 import (
-	"github.com/revel/cmd/model"
-	"github.com/revel/cmd/revel"
-	"github.com/revel/cmd/utils"
-	"github.com/stretchr/testify/assert"
 	"os"
 	"path/filepath"
 	"testing"
+
+	"github.com/revel/cmd/model"
+	main "github.com/revel/cmd/revel"
+	"github.com/revel/cmd/utils"
+	"github.com/stretchr/testify/assert"
 )
 
-// test the commands
+// test the commands.
 func TestClean(t *testing.T) {
 	a := assert.New(t)
-	gopath := setup("revel-test-clean",  a)
-
+	gopath := setup("revel-test-clean", a)
 
 	t.Run("Clean", func(t *testing.T) {
 		a := assert.New(t)
 		c := newApp("clean-test", model.NEW, nil, a)
-		main.Commands[model.NEW].RunWith(c)
+
+		a.Nil(main.Commands[model.NEW].RunWith(c), "failed to run new")
+
 		c.Index = model.TEST
-		main.Commands[model.TEST].RunWith(c)
+		a.Nil(main.Commands[model.TEST].RunWith(c), "failed to run test")
+
 		a.True(utils.Exists(filepath.Join(gopath, "clean-test", "app", "tmp", "main.go")),
 			"Missing main from path "+filepath.Join(gopath, "clean-test", "app", "tmp", "main.go"))
 		c.Clean.ImportPath = c.ImportPath

revel/command_test.go

@@ -1,23 +1,24 @@
 package main_test
 
 import (
-	"github.com/revel/cmd/logger"
-	"github.com/revel/cmd/model"
-	"github.com/revel/cmd/utils"
-	"github.com/stretchr/testify/assert"
+	"fmt"
 	"go/build"
 	"os"
 	"os/exec"
 	"path/filepath"
-	"fmt"
+
+	"github.com/revel/cmd/logger"
+	"github.com/revel/cmd/model"
+	"github.com/revel/cmd/utils"
+	"github.com/stretchr/testify/assert"
 )
 
-// Test that the event handler can be attached and it dispatches the event received
-func setup(suffix string, a *assert.Assertions) (string) {
+// Test that the event handler can be attached and it dispatches the event received.
+func setup(suffix string, a *assert.Assertions) string {
 	temp := os.TempDir()
 	wd, _ := os.Getwd()
 	utils.InitLogger(wd, logger.LvlInfo)
-	gopath := filepath.Join(temp, "revel-test",suffix)
+	gopath := filepath.Join(temp, "revel-test", suffix)
 	if utils.Exists(gopath) {
 		utils.Logger.Info("Removing test path", "path", gopath)
 		if err := os.RemoveAll(gopath); err != nil {
@@ -32,36 +33,38 @@ func setup(suffix string, a *assert.Assertions) (string) {
 	// But if you change into that directory and read the current folder it is
 	// /private/var/folders/nz/vv4_9tw56nv9k3tkvyszvwg80000gn/T/revel-test/revel-test-build
 	// So to make this work on darwin this code was added
-	os.Chdir(gopath)
+	if err := os.Chdir(gopath); err != nil {
+		panic(err)
+	}
+
 	newwd, _ := os.Getwd()
 	gopath = newwd
 	defaultBuild := build.Default
 	defaultBuild.GOPATH = gopath
 	build.Default = defaultBuild
-	utils.Logger.Info("Setup stats", "original wd", wd, "new wd", newwd, "gopath",gopath, "gopath exists", utils.DirExists(gopath), "wd exists", utils.DirExists(newwd))
+	utils.Logger.Info("Setup stats", "original wd", wd, "new wd", newwd, "gopath", gopath, "gopath exists", utils.DirExists(gopath), "wd exists", utils.DirExists(newwd))
 
 	return gopath
 }
 
-// Create a new app for the name
+// Create a new app for the name.
 func newApp(name string, command model.COMMAND, precall func(c *model.CommandConfig), a *assert.Assertions) *model.CommandConfig {
-	c := &model.CommandConfig{Vendored:true}
+	c := &model.CommandConfig{Vendored: true}
 	switch command {
 	case model.NEW:
 		c.New.ImportPath = name
-		c.New.Callback=func() error {
+		c.New.Callback = func() error {
 			// On callback we will invoke a specific branch of revel so that it works
 
 			goModCmd := exec.Command("go", "mod", "tidy")
 			utils.CmdInit(goModCmd, !c.Vendored, c.AppPath)
 			getOutput, _ := goModCmd.CombinedOutput()
-			fmt.Printf("Calling go mod tidy %s",string(getOutput))
+			fmt.Printf("Calling go mod tidy %s", string(getOutput))
 
 			goModCmd = exec.Command("go", "mod", "edit", "-replace=github.com/revel/revel=github.com/revel/revel@develop")
 			utils.CmdInit(goModCmd, !c.Vendored, c.AppPath)
 			getOutput, _ = goModCmd.CombinedOutput()
-			fmt.Printf("Calling go mod edit %v",string(getOutput))
-
+			fmt.Printf("Calling go mod edit %v", string(getOutput))
 
 			return nil
 		}
@@ -83,7 +86,7 @@ func newApp(name string, command model.COMMAND, precall func(c *model.CommandCon
 	if precall != nil {
 		precall(c)
 	}
-	if c.UpdateImportPath()!=nil {
+	if c.UpdateImportPath() != nil {
 		a.Fail("Unable to update import path")
 	}
 

revel/new.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"go/build"
 	"math/rand"
+	"net/url"
 	"os"
 	"os/exec"
 	"path/filepath"
@@ -15,11 +16,12 @@ import (
 
 	"github.com/revel/cmd/model"
 	"github.com/revel/cmd/utils"
-	"net/url"
 )
 
+const ErrNoSkeleton Error = "failed to find skeleton in filepath"
+
 var cmdNew = &Command{
-	UsageLine: "new -i [path] -s [skeleton]",
+	UsageLine: "new -i [path] -s [skeleton] -p [package name]",
 	Short:     "create a skeleton Revel application",
 	Long: `
 New creates a few files to get a new Revel application running quickly.
@@ -43,7 +45,7 @@ func init() {
 	cmdNew.UpdateConfig = updateNewConfig
 }
 
-// Called when unable to parse the command line automatically and assumes an old launch
+// Called when unable to parse the command line automatically and assumes an old launch.
 func updateNewConfig(c *model.CommandConfig, args []string) bool {
 	c.Index = model.NEW
 	if len(c.New.Package) > 0 {
@@ -64,10 +66,9 @@ func updateNewConfig(c *model.CommandConfig, args []string) bool {
 	}
 
 	return true
-
 }
 
-// Call to create a new application
+// Call to create a new application.
 func newApp(c *model.CommandConfig) (err error) {
 	// Check for an existing folder so we don't clobber it
 	_, err = build.Import(c.ImportPath, "", build.FindOnly)
@@ -93,7 +94,9 @@ func newApp(c *model.CommandConfig) (err error) {
 	// This kicked off the download of the revel app, not needed for vendor
 	if !c.Vendored {
 		// At this point the versions can be set
-		c.SetVersions()
+		if err = c.SetVersions(); err != nil {
+			return
+		}
 	}
 
 	// copy files to new app directory
@@ -114,96 +117,57 @@ func newApp(c *model.CommandConfig) (err error) {
 	if c.New.Run {
 		// Need to prep the run command
 		c.Run.ImportPath = c.ImportPath
-		updateRunConfig(c,nil)
-		c.UpdateImportPath()
-		runApp(c)
+		updateRunConfig(c, nil)
+
+		if err = c.UpdateImportPath(); err != nil {
+			return
+		}
+
+		if err = runApp(c); err != nil {
+			return
+		}
 	} else {
-		fmt.Fprintln(os.Stdout, "\nYou can run it with:\n   revel run -a ", c.ImportPath)
+		fmt.Fprintln(os.Stdout, "\nYou can run it with:\n   revel run -a", c.ImportPath)
 	}
+
 	return
 }
 
 func createModVendor(c *model.CommandConfig) (err error) {
-
 	utils.Logger.Info("Creating a new mod app")
 	goModCmd := exec.Command("go", "mod", "init", filepath.Join(c.New.Package, c.AppName))
 
 	utils.CmdInit(goModCmd, !c.Vendored, c.AppPath)
 
 	utils.Logger.Info("Exec:", "args", goModCmd.Args, "env", goModCmd.Env, "workingdir", goModCmd.Dir)
+
 	getOutput, err := goModCmd.CombinedOutput()
 	if c.New.Callback != nil {
 		err = c.New.Callback()
 	}
+
 	if err != nil {
 		return utils.NewBuildIfError(err, string(getOutput))
 	}
+
 	return
 }
 
-func createDepVendor(c *model.CommandConfig) (err error) {
-
-	utils.Logger.Info("Creating a new vendor app")
-
-	vendorPath := filepath.Join(c.AppPath, "vendor")
-	if !utils.DirExists(vendorPath) {
-
-		if err := os.MkdirAll(vendorPath, os.ModePerm); err != nil {
-			return utils.NewBuildError("Failed to create " + vendorPath, "error", err)
-		}
-	}
-
-	// In order for dep to run there needs to be a source file in the folder
-	tempPath := filepath.Join(c.AppPath, "tmp")
-	utils.Logger.Info("Checking for temp folder for source code", "path", tempPath)
-	if !utils.DirExists(tempPath) {
-		if err := os.MkdirAll(tempPath, os.ModePerm); err != nil {
-			return utils.NewBuildIfError(err, "Failed to create " + vendorPath)
-		}
-
-		if err = utils.GenerateTemplate(filepath.Join(tempPath, "main.go"), NEW_MAIN_FILE, nil); err != nil {
-			return utils.NewBuildIfError(err, "Failed to create main file " + vendorPath)
-		}
-	}
-
-	// Create a package template file if it does not exist
-	packageFile := filepath.Join(c.AppPath, "Gopkg.toml")
-	utils.Logger.Info("Checking for Gopkg.toml", "path", packageFile)
-	if !utils.Exists(packageFile) {
-		utils.Logger.Info("Generating Gopkg.toml", "path", packageFile)
-		if err := utils.GenerateTemplate(packageFile, VENDOR_GOPKG, nil); err != nil {
-			return utils.NewBuildIfError(err, "Failed to generate template")
-		}
-	} else {
-		utils.Logger.Info("Package file exists in skeleto, skipping adding")
-	}
-
-	getCmd := exec.Command("dep", "ensure", "-v")
-	utils.CmdInit(getCmd, !c.Vendored, c.AppPath)
-
-	utils.Logger.Info("Exec:", "args", getCmd.Args, "env", getCmd.Env, "workingdir", getCmd.Dir)
-	getOutput, err := getCmd.CombinedOutput()
-	if err != nil {
-		return utils.NewBuildIfError(err, string(getOutput))
-	}
-	return
-}
-
-// Used to generate a new secret key
+// Used to generate a new secret key.
 const alphaNumeric = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
 
-// Generate a secret key
+// Generate a secret key.
 func generateSecret() string {
 	chars := make([]byte, 64)
 	for i := 0; i < 64; i++ {
 		chars[i] = alphaNumeric[rand.Intn(len(alphaNumeric))]
 	}
+
 	return string(chars)
 }
 
-// Sets the applicaiton path
+// Sets the application path.
 func setApplicationPath(c *model.CommandConfig) (err error) {
-
 	// revel/revel#1014 validate relative path, we cannot use built-in functions
 	// since Go import path is valid relative path too.
 	// so check basic part of the path, which is "."
@@ -216,10 +180,10 @@ func setApplicationPath(c *model.CommandConfig) (err error) {
 		}
 		_, err = build.Import(model.RevelImportPath, "", build.FindOnly)
 		if err != nil {
-			//// Go get the revel project
+			// Go get the revel project
 			err = c.PackageResolver(model.RevelImportPath)
 			if err != nil {
-				return utils.NewBuildIfError(err, "Failed to fetch revel " + model.RevelImportPath)
+				return utils.NewBuildIfError(err, "Failed to fetch revel "+model.RevelImportPath)
 			}
 		}
 	}
@@ -229,7 +193,7 @@ func setApplicationPath(c *model.CommandConfig) (err error) {
 	return nil
 }
 
-// Set the skeleton path
+// Set the skeleton path.
 func setSkeletonPath(c *model.CommandConfig) (err error) {
 	if len(c.New.SkeletonPath) == 0 {
 		c.New.SkeletonPath = "https://" + RevelSkeletonsImportPath + ":basic/bootstrap4"
@@ -242,10 +206,10 @@ func setSkeletonPath(c *model.CommandConfig) (err error) {
 
 		switch strings.ToLower(sp.Scheme) {
 		// TODO Add support for ftp, sftp, scp ??
-		case "" :
+		case "":
 			sp.Scheme = "file"
 			fallthrough
-		case "file" :
+		case "file":
 			fullpath := sp.String()[7:]
 			if !filepath.IsAbs(fullpath) {
 				fullpath, err = filepath.Abs(fullpath)
@@ -256,7 +220,7 @@ func setSkeletonPath(c *model.CommandConfig) (err error) {
 			c.New.SkeletonPath = fullpath
 			utils.Logger.Info("Set skeleton path to ", fullpath)
 			if !utils.DirExists(fullpath) {
-				return fmt.Errorf("Failed to find skeleton in filepath %s %s", fullpath, sp.String())
+				return fmt.Errorf("%w %s %s", ErrNoSkeleton, fullpath, sp.String())
 			}
 		case "git":
 			fallthrough
@@ -268,7 +232,6 @@ func setSkeletonPath(c *model.CommandConfig) (err error) {
 			}
 		default:
 			utils.Logger.Fatal("Unsupported skeleton schema ", "path", c.New.SkeletonPath)
-
 		}
 		// TODO check to see if the path needs to be extracted
 	} else {
@@ -277,14 +240,14 @@ func setSkeletonPath(c *model.CommandConfig) (err error) {
 	return
 }
 
-// Load skeleton from git
+// Load skeleton from git.
 func newLoadFromGit(c *model.CommandConfig, sp *url.URL) (err error) {
 	// This method indicates we need to fetch from a repository using git
 	// Execute "git clone get <pkg>"
 	targetPath := filepath.Join(os.TempDir(), "revel", "skeleton")
 	os.RemoveAll(targetPath)
 	pathpart := strings.Split(sp.Path, ":")
-	getCmd := exec.Command("git", "clone", sp.Scheme + "://" + sp.Host + pathpart[0], targetPath)
+	getCmd := exec.Command("git", "clone", sp.Scheme+"://"+sp.Host+pathpart[0], targetPath)
 	utils.Logger.Info("Exec:", "args", getCmd.Args)
 	getOutput, err := getCmd.CombinedOutput()
 	if err != nil {
@@ -323,68 +286,4 @@ func copyNewAppFiles(c *model.CommandConfig) (err error) {
 	// Dotfiles are skipped by mustCopyDir, so we have to explicitly copy the .gitignore.
 	gitignore := ".gitignore"
 	return utils.CopyFile(filepath.Join(c.AppPath, gitignore), filepath.Join(c.New.SkeletonPath, gitignore))
-
 }
-
-const (
-	VENDOR_GOPKG = `#
-# Revel Gopkg.toml
-#
-# If you want to use a specific version of Revel change the branches below
-#
-# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
-# for detailed Gopkg.toml documentation.
-#
-# required = ["github.com/user/thing/cmd/thing"]
-# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
-#
-# [[constraint]]
-#   name = "github.com/user/project"
-#   version = "1.0.0"
-#
-# [[constraint]]
-#   name = "github.com/user/project2"
-#   branch = "dev"
-#   source = "github.com/myfork/project2"
-#
-# [[override]]
-#  name = "github.com/x/y"
-#  version = "2.4.0"
-required = ["github.com/revel/revel", "github.com/revel/modules"]
-
-# Note to use a specific version changes this to
-#
-# [[override]]
-#   version = "0.20.1"
-#   name = "github.com/revel/modules"
-
-[[override]]
-  branch = "master"
-  name = "github.com/revel/modules"
-
-# Note to use a specific version changes this to
-#
-# [[override]]
-#   version = "0.20.0"
-#   name = "github.com/revel/revel"
-[[override]]
-  branch = "master"
-  name = "github.com/revel/revel"
-
-[[override]]
-  branch = "master"
-  name = "github.com/revel/log15"
-
-[[override]]
-  branch = "master"
-  name = "github.com/revel/cron"
-
-[[override]]
-  branch = "master"
-  name = "github.com/xeonx/timeago"
-
-`
-	NEW_MAIN_FILE = `package main
-
-	`
-)

revel/new_test.go

@@ -1,14 +1,15 @@
 package main_test
 
 import (
-	"github.com/revel/cmd/model"
-	"github.com/revel/cmd/revel"
-	"github.com/stretchr/testify/assert"
 	"os"
 	"testing"
+
+	"github.com/revel/cmd/model"
+	main "github.com/revel/cmd/revel"
+	"github.com/stretchr/testify/assert"
 )
 
-// test the commands
+// test the commands.
 func TestNew(t *testing.T) {
 	a := assert.New(t)
 	gopath := setup("revel-test-new", a)
@@ -52,4 +53,3 @@ func TestNew(t *testing.T) {
 		}
 	}
 }
-

revel/package.go

@@ -37,10 +37,10 @@ func init() {
 	cmdPackage.UpdateConfig = updatePackageConfig
 }
 
-// Called when unable to parse the command line automatically and assumes an old launch
+// Called when unable to parse the command line automatically and assumes an old launch.
 func updatePackageConfig(c *model.CommandConfig, args []string) bool {
 	c.Index = model.PACKAGE
-	if len(args)==0 && c.Package.ImportPath!="" {
+	if len(args) == 0 && c.Package.ImportPath != "" {
 		return true
 	}
 	c.Package.ImportPath = args[0]
@@ -48,26 +48,21 @@ func updatePackageConfig(c *model.CommandConfig, args []string) bool {
 		c.Package.Mode = args[1]
 	}
 	return true
-
 }
 
-// Called to package the app
+// Called to package the app.
 func packageApp(c *model.CommandConfig) (err error) {
-
 	// Determine the run mode.
-	mode := DefaultRunMode
-	if len(c.Package.Mode) >= 0 {
-		mode = c.Package.Mode
-	}
+	mode := c.Package.Mode
 
 	appImportPath := c.ImportPath
-	revel_paths, err := model.NewRevelPaths(mode, appImportPath, c.AppPath, model.NewWrappedRevelCallback(nil, c.PackageResolver))
+	revelPaths, err := model.NewRevelPaths(mode, appImportPath, c.AppPath, model.NewWrappedRevelCallback(nil, c.PackageResolver))
 	if err != nil {
 		return
 	}
 
 	// Remove the archive if it already exists.
-	destFile := filepath.Join(c.AppPath, filepath.Base(revel_paths.BasePath)+".tar.gz")
+	destFile := filepath.Join(c.AppPath, filepath.Base(revelPaths.BasePath)+".tar.gz")
 	if c.Package.TargetPath != "" {
 		if filepath.IsAbs(c.Package.TargetPath) {
 			destFile = c.Package.TargetPath
@@ -80,13 +75,11 @@ func packageApp(c *model.CommandConfig) (err error) {
 	}
 
 	// Collect stuff in a temp directory.
-	tmpDir, err := ioutil.TempDir("", filepath.Base(revel_paths.BasePath))
+	tmpDir, err := ioutil.TempDir("", filepath.Base(revelPaths.BasePath))
 	utils.PanicOnError(err, "Failed to get temp dir")
 
 	// Build expects the command the build to contain the proper data
-	if len(c.Package.Mode) >= 0 {
-		c.Build.Mode = c.Package.Mode
-	}
+	c.Build.Mode = c.Package.Mode
 	c.Build.TargetPath = tmpDir
 	c.Build.CopySource = c.Package.CopySource
 	if err = buildApp(c); err != nil {

revel/package_test.go

@@ -1,22 +1,23 @@
 package main_test
 
 import (
-	"github.com/revel/cmd/model"
-	"github.com/revel/cmd/revel"
-	"github.com/stretchr/testify/assert"
 	"os"
 	"testing"
+
+	"github.com/revel/cmd/model"
+	main "github.com/revel/cmd/revel"
+	"github.com/stretchr/testify/assert"
 )
 
-// test the commands
+// test the commands.
 func TestPackage(t *testing.T) {
 	a := assert.New(t)
-	gopath := setup("revel-test-package",  a)
+	gopath := setup("revel-test-package", a)
 
 	t.Run("Package", func(t *testing.T) {
 		a := assert.New(t)
 		c := newApp("package-test", model.NEW, nil, a)
-		main.Commands[model.NEW].RunWith(c)
+		a.Nil(main.Commands[model.NEW].RunWith(c), "failed to run new")
 		c.Index = model.PACKAGE
 		c.Package.ImportPath = c.ImportPath
 		a.Nil(main.Commands[model.PACKAGE].RunWith(c), "Failed to run package-test")

revel/revel.go

@@ -6,6 +6,7 @@
 package main
 
 import (
+	"bytes"
 	"flag"
 	"fmt"
 	"math/rand"
@@ -14,23 +15,28 @@ import (
 	"strings"
 	"time"
 
-	"github.com/jessevdk/go-flags"
-
 	"github.com/agtorre/gocolorize"
+	"github.com/jessevdk/go-flags"
 	"github.com/revel/cmd/logger"
 	"github.com/revel/cmd/model"
 	"github.com/revel/cmd/utils"
-	"bytes"
 )
 
-const (
-	// RevelCmdImportPath Revel framework cmd tool import path
-	RevelCmdImportPath = "github.com/revel/cmd"
+// Error is used for constant errors.
+type Error string
 
-	// RevelCmdImportPath Revel framework cmd tool import path
+// Error implements the error interface.
+func (e Error) Error() string {
+	return string(e)
+}
+
+const ErrInvalidCommandLine Error = "invalid command line arguments"
+
+const (
+	// RevelCmdImportPath Revel framework cmd tool import path.
 	RevelSkeletonsImportPath = "github.com/revel/skeletons"
 
-	// DefaultRunMode for revel's application
+	// DefaultRunMode for revel's application.
 	DefaultRunMode = "dev"
 )
 
@@ -41,7 +47,7 @@ type Command struct {
 	UsageLine, Short, Long string
 }
 
-// Name returns command name from usage line
+// Name returns command name from usage line.
 func (cmd *Command) Name() string {
 	name := cmd.UsageLine
 	i := strings.Index(name, " ")
@@ -51,7 +57,7 @@ func (cmd *Command) Name() string {
 	return name
 }
 
-// The commands
+// Commands defines the available commands.
 var Commands = []*Command{
 	nil, // Safety net, prevent missing index from running
 	cmdNew,
@@ -71,14 +77,14 @@ func main() {
 	wd, _ := os.Getwd()
 
 	utils.InitLogger(wd, logger.LvlError)
-	parser := flags.NewParser(c, flags.HelpFlag | flags.PassDoubleDash)
+	parser := flags.NewParser(c, flags.HelpFlag|flags.PassDoubleDash)
 	if len(os.Args) < 2 {
 		parser.WriteHelp(os.Stdout)
 		os.Exit(1)
 	}
 
 	if err := ParseArgs(c, parser, os.Args[1:]); err != nil {
-		fmt.Fprint(os.Stderr, err.Error() + "\n")
+		fmt.Fprint(os.Stderr, err.Error()+"\n")
 		os.Exit(1)
 	}
 
@@ -109,7 +115,7 @@ func main() {
 	}
 }
 
-// Parse the arguments passed into the model.CommandConfig
+// Parse the arguments passed into the model.CommandConfig.
 func ParseArgs(c *model.CommandConfig, parser *flags.Parser, args []string) (err error) {
 	var extraArgs []string
 	if ini := flag.String("ini", "none", ""); *ini != "none" {
@@ -119,30 +125,30 @@ func ParseArgs(c *model.CommandConfig, parser *flags.Parser, args []string) (err
 	} else {
 		if extraArgs, err = parser.ParseArgs(args); err != nil {
 			return
-		} else {
-			switch parser.Active.Name {
-			case "new":
-				c.Index = model.NEW
-			case "run":
-				c.Index = model.RUN
-			case "build":
-				c.Index = model.BUILD
-			case "package":
-				c.Index = model.PACKAGE
-			case "clean":
-				c.Index = model.CLEAN
-			case "test":
-				c.Index = model.TEST
-			case "version":
-				c.Index = model.VERSION
-			}
+		}
+
+		switch parser.Active.Name {
+		case "new":
+			c.Index = model.NEW
+		case "run":
+			c.Index = model.RUN
+		case "build":
+			c.Index = model.BUILD
+		case "package":
+			c.Index = model.PACKAGE
+		case "clean":
+			c.Index = model.CLEAN
+		case "test":
+			c.Index = model.TEST
+		case "version":
+			c.Index = model.VERSION
 		}
 	}
 
 	if !Commands[c.Index].UpdateConfig(c, extraArgs) {
 		buffer := &bytes.Buffer{}
 		parser.WriteHelp(buffer)
-		err = fmt.Errorf("Invalid command line arguements %v\n%s", extraArgs, buffer.String())
+		err = fmt.Errorf("%w %v\n%s", ErrInvalidCommandLine, extraArgs, buffer.String())
 	}
 
 	return

revel/run.go

@@ -5,13 +5,14 @@
 package main
 
 import (
-	"strconv"
 	"encoding/json"
 	"fmt"
+	"os"
+	"strconv"
+
 	"github.com/revel/cmd/harness"
 	"github.com/revel/cmd/model"
 	"github.com/revel/cmd/utils"
-	"os"
 )
 
 var cmdRun = &Command{
@@ -34,13 +35,6 @@ You can set a port as well.  For example:
     revel run -m prod -p 8080 github.com/revel/examples/chat `,
 }
 
-// RunArgs holds revel run parameters
-type RunArgs struct {
-	ImportPath string
-	Mode       string
-	Port       int
-}
-
 func init() {
 	cmdRun.RunWith = runApp
 	cmdRun.UpdateConfig = updateRunConfig
@@ -112,56 +106,57 @@ func updateRunConfig(c *model.CommandConfig, args []string) bool {
 	return true
 }
 
-// Returns true if this is an absolute path or a relative gopath
+// Returns true if this is an absolute path or a relative gopath.
 func runIsImportPath(pathToCheck string) bool {
 	return utils.DirExists(pathToCheck)
 }
 
-// Called to run the app
+// Called to run the app.
 func runApp(c *model.CommandConfig) (err error) {
 	if c.Run.Mode == "" {
 		c.Run.Mode = "dev"
 	}
 
-	revel_path, err := model.NewRevelPaths(c.Run.Mode, c.ImportPath, c.AppPath, model.NewWrappedRevelCallback(nil, c.PackageResolver))
+	revelPath, err := model.NewRevelPaths(c.Run.Mode, c.ImportPath, c.AppPath, model.NewWrappedRevelCallback(nil, c.PackageResolver))
 	if err != nil {
 		return utils.NewBuildIfError(err, "Revel paths")
 	}
 	if c.Run.Port > -1 {
-		revel_path.HTTPPort = c.Run.Port
+		revelPath.HTTPPort = c.Run.Port
 	} else {
-		c.Run.Port = revel_path.HTTPPort
+		c.Run.Port = revelPath.HTTPPort
 	}
 
-	utils.Logger.Infof("Running %s (%s) in %s mode\n", revel_path.AppName, revel_path.ImportPath, revel_path.RunMode)
-	utils.Logger.Debug("Base path:", "path", revel_path.BasePath)
+	utils.Logger.Infof("Running %s (%s) in %s mode\n", revelPath.AppName, revelPath.ImportPath, revelPath.RunMode)
+	utils.Logger.Debug("Base path:", "path", revelPath.BasePath)
 
 	// If the app is run in "watched" mode, use the harness to run it.
-	if revel_path.Config.BoolDefault("watch", true) && revel_path.Config.BoolDefault("watch.code", true) {
+	if revelPath.Config.BoolDefault("watch", true) && revelPath.Config.BoolDefault("watch.code", true) {
 		utils.Logger.Info("Running in watched mode.")
-		runMode := fmt.Sprintf(`{"mode":"%s", "specialUseFlag":%v}`, revel_path.RunMode, c.Verbose)
+
+		runMode := fmt.Sprintf(`{"mode":"%s", "specialUseFlag":%v}`, revelPath.RunMode, c.GetVerbose())
 		if c.HistoricMode {
-			runMode = revel_path.RunMode
+			runMode = revelPath.RunMode
 		}
 		// **** Never returns.
-		harness.NewHarness(c, revel_path, runMode, c.Run.NoProxy).Run()
+		harness.NewHarness(c, revelPath, runMode, c.Run.NoProxy).Run()
 	}
 
 	// Else, just build and run the app.
 	utils.Logger.Debug("Running in live build mode.")
-	app, err := harness.Build(c, revel_path)
+	app, err := harness.Build(c, revelPath)
 	if err != nil {
 		utils.Logger.Errorf("Failed to build app: %s", err)
 	}
-	app.Port = revel_path.HTTPPort
+	app.Port = revelPath.HTTPPort
 	var paths []byte
 	if len(app.PackagePathMap) > 0 {
 		paths, _ = json.Marshal(app.PackagePathMap)
 	}
-	runMode := fmt.Sprintf(`{"mode":"%s", "specialUseFlag":%v,"packagePathMap":%s}`, app.Paths.RunMode, c.Verbose, string(paths))
+	runMode := fmt.Sprintf(`{"mode":"%s", "specialUseFlag":%v,"packagePathMap":%s}`, app.Paths.RunMode, c.GetVerbose(), string(paths))
 	if c.HistoricMode {
-		runMode = revel_path.RunMode
+		runMode = revelPath.RunMode
 	}
-	app.Cmd(runMode).Run()
+	app.Cmd(runMode).Run(c)
 	return
 }

revel/run_test.go

@@ -1,15 +1,16 @@
 package main_test
 
 import (
-	"github.com/stretchr/testify/assert"
 	"os"
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
-// test the commands
+// test the commands.
 func TestRun(t *testing.T) {
 	a := assert.New(t)
-	gopath := setup("revel-test-run",  a)
+	gopath := setup("revel-test-run", a)
 
 	// TODO Testing run
 

revel/test.go

@@ -52,7 +52,7 @@ func init() {
 	cmdTest.UpdateConfig = updateTestConfig
 }
 
-// Called to update the config command with from the older stype
+// Called to update the config command with from the older stype.
 func updateTestConfig(c *model.CommandConfig, args []string) bool {
 	c.Index = model.TEST
 	if len(args) == 0 && c.Test.ImportPath != "" {
@@ -74,7 +74,7 @@ func updateTestConfig(c *model.CommandConfig, args []string) bool {
 	return true
 }
 
-// Called to test the application
+// Called to test the application.
 func testApp(c *model.CommandConfig) (err error) {
 	mode := DefaultRunMode
 	if c.Test.Mode != "" {
@@ -82,7 +82,7 @@ func testApp(c *model.CommandConfig) (err error) {
 	}
 
 	// Find and parse app.conf
-	revel_path, err := model.NewRevelPaths(mode, c.ImportPath, c.AppPath, model.NewWrappedRevelCallback(nil, c.PackageResolver))
+	revelPath, err := model.NewRevelPaths(mode, c.ImportPath, c.AppPath, model.NewWrappedRevelCallback(nil, c.PackageResolver))
 	if err != nil {
 		return
 	}
@@ -90,7 +90,7 @@ func testApp(c *model.CommandConfig) (err error) {
 	// todo Ensure that the testrunner is loaded in this mode.
 
 	// Create a directory to hold the test result files.
-	resultPath := filepath.Join(revel_path.BasePath, "test-results")
+	resultPath := filepath.Join(revelPath.BasePath, "test-results")
 	if err = os.RemoveAll(resultPath); err != nil {
 		return utils.NewBuildError("Failed to remove test result directory ", "path", resultPath, "error", err)
 	}
@@ -99,12 +99,12 @@ func testApp(c *model.CommandConfig) (err error) {
 	}
 
 	// Direct all the output into a file in the test-results directory.
-	file, err := os.OpenFile(filepath.Join(resultPath, "app.log"), os.O_CREATE | os.O_WRONLY | os.O_APPEND, 0666)
+	file, err := os.OpenFile(filepath.Join(resultPath, "app.log"), os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
 	if err != nil {
 		return utils.NewBuildError("Failed to create test result log file: ", "error", err)
 	}
 
-	app, reverr := harness.Build(c, revel_path)
+	app, reverr := harness.Build(c, revelPath)
 	if reverr != nil {
 		return utils.NewBuildIfError(reverr, "Error building: ")
 	}
@@ -112,7 +112,7 @@ func testApp(c *model.CommandConfig) (err error) {
 	if len(app.PackagePathMap) > 0 {
 		paths, _ = json.Marshal(app.PackagePathMap)
 	}
-	runMode := fmt.Sprintf(`{"mode":"%s", "specialUseFlag":%v,"packagePathMap":%s}`, app.Paths.RunMode, c.Verbose, string(paths))
+	runMode := fmt.Sprintf(`{"mode":"%s", "specialUseFlag":%v,"packagePathMap":%s}`, app.Paths.RunMode, c.GetVerbose(), string(paths))
 	if c.HistoricMode {
 		runMode = app.Paths.RunMode
 	}
@@ -128,20 +128,20 @@ func testApp(c *model.CommandConfig) (err error) {
 	}
 	defer cmd.Kill()
 
-	var httpAddr = revel_path.HTTPAddr
+	httpAddr := revelPath.HTTPAddr
 	if httpAddr == "" {
 		httpAddr = "localhost"
 	}
 
-	var httpProto = "http"
-	if revel_path.HTTPSsl {
+	httpProto := "http"
+	if revelPath.HTTPSsl {
 		httpProto = "https"
 	}
 
 	// Get a list of tests
-	var baseURL = fmt.Sprintf("%s://%s:%d", httpProto, httpAddr, revel_path.HTTPPort)
+	baseURL := fmt.Sprintf("%s://%s:%d", httpProto, httpAddr, revelPath.HTTPPort)
 
-	utils.Logger.Infof("Testing %s (%s) in %s mode URL %s \n", revel_path.AppName, revel_path.ImportPath, mode, baseURL)
+	utils.Logger.Infof("Testing %s (%s) in %s mode URL %s \n", revelPath.AppName, revelPath.ImportPath, mode, baseURL)
 	testSuites, _ := getTestsList(baseURL)
 
 	// If a specific TestSuite[.Method] is specified, only run that suite/test
@@ -154,7 +154,7 @@ func testApp(c *model.CommandConfig) (err error) {
 	fmt.Println()
 
 	// Run each suite.
-	failedResults, overallSuccess := runTestSuites(revel_path, baseURL, resultPath, testSuites)
+	failedResults, overallSuccess := runTestSuites(revelPath, baseURL, resultPath, testSuites)
 
 	fmt.Println()
 	if overallSuccess {
@@ -177,14 +177,14 @@ func testApp(c *model.CommandConfig) (err error) {
 	return
 }
 
-// Outputs the results to a file
+// Outputs the results to a file.
 func writeResultFile(resultPath, name, content string) {
 	if err := ioutil.WriteFile(filepath.Join(resultPath, name), []byte(content), 0666); err != nil {
 		utils.Logger.Errorf("Failed to write result file %s: %s", filepath.Join(resultPath, name), err)
 	}
 }
 
-// Determines if response should be plural
+// Determines if response should be plural.
 func pluralize(num int, singular, plural string) string {
 	if num == 1 {
 		return singular
@@ -193,7 +193,7 @@ func pluralize(num int, singular, plural string) string {
 }
 
 // Filters test suites and individual tests to match
-// the parsed command line parameter
+// the parsed command line parameter.
 func filterTestSuites(suites *[]tests.TestSuiteDesc, suiteArgument string) *[]tests.TestSuiteDesc {
 	var suiteName, testName string
 	argArray := strings.Split(suiteArgument, ".")
@@ -234,7 +234,7 @@ func filterTestSuites(suites *[]tests.TestSuiteDesc, suiteArgument string) *[]te
 // in case it hasn't finished starting up yet.
 func getTestsList(baseURL string) (*[]tests.TestSuiteDesc, error) {
 	var (
-		err error
+		err        error
 		resp       *http.Response
 		testSuites []tests.TestSuiteDesc
 	)
@@ -263,9 +263,8 @@ func getTestsList(baseURL string) (*[]tests.TestSuiteDesc, error) {
 	return &testSuites, err
 }
 
-// Run the testsuites using the container
+// Run the testsuites using the container.
 func runTestSuites(paths *model.RevelContainer, baseURL, resultPath string, testSuites *[]tests.TestSuiteDesc) (*[]tests.TestSuiteResult, bool) {
-
 	// We can determine the testsuite location by finding the test module and extracting the data from it
 	resultFilePath := filepath.Join(paths.ModulePathMap["testrunner"].Path, "app", "views", "TestRunner/SuiteResult.html")
 

revel/test_test.go

@@ -1,18 +1,18 @@
 package main_test
 
 import (
-	"github.com/revel/cmd/model"
-	"github.com/revel/cmd/revel"
-	"github.com/stretchr/testify/assert"
 	"os"
 	"testing"
+
+	"github.com/revel/cmd/model"
+	main "github.com/revel/cmd/revel"
+	"github.com/stretchr/testify/assert"
 )
 
-
-// test the commands
+// test the commands.
 func TestRevelTest(t *testing.T) {
 	a := assert.New(t)
-	gopath := setup("revel-test-test",  a)
+	gopath := setup("revel-test-test", a)
 
 	t.Run("Test", func(t *testing.T) {
 		a := assert.New(t)

revel/version.go

@@ -9,11 +9,8 @@
 package main
 
 import (
+	"bytes"
 	"fmt"
-
-	"github.com/revel/cmd"
-	"github.com/revel/cmd/model"
-	"github.com/revel/cmd/utils"
 	"go/ast"
 	"go/parser"
 	"go/token"
@@ -23,11 +20,14 @@ import (
 	"os/exec"
 	"path/filepath"
 	"strings"
-	"bytes"
+
+	"github.com/revel/cmd"
+	"github.com/revel/cmd/model"
+	"github.com/revel/cmd/utils"
 )
 
 type (
-	// The version container
+	// The version container.
 	VersionCommand struct {
 		Command        *model.CommandConfig // The command
 		revelVersion   *model.Version       // The Revel framework version
@@ -54,7 +54,7 @@ func init() {
 	cmdVersion.RunWith = v.RunWith
 }
 
-// Update the version
+// Update the version.
 func (v *VersionCommand) UpdateConfig(c *model.CommandConfig, args []string) bool {
 	if len(args) > 0 {
 		c.Version.ImportPath = args[0]
@@ -62,7 +62,7 @@ func (v *VersionCommand) UpdateConfig(c *model.CommandConfig, args []string) boo
 	return true
 }
 
-// Displays the version of go and Revel
+// Displays the version of go and Revel.
 func (v *VersionCommand) RunWith(c *model.CommandConfig) (err error) {
 	utils.Logger.Info("Requesting version information", "config", c)
 	v.Command = c
@@ -73,7 +73,6 @@ func (v *VersionCommand) RunWith(c *model.CommandConfig) (err error) {
 	needsUpdates := true
 	versionInfo := ""
 	for x := 0; x < 2 && needsUpdates; x++ {
-		needsUpdates = false
 		versionInfo, needsUpdates = v.doRepoCheck(x == 0)
 	}
 
@@ -83,16 +82,18 @@ func (v *VersionCommand) RunWith(c *model.CommandConfig) (err error) {
 	if e := cmd.Start(); e != nil {
 		fmt.Println("Go command error ", e)
 	} else {
-		cmd.Wait()
+		if err = cmd.Wait(); err != nil {
+			return
+		}
 	}
 
 	return
 }
 
-// Checks the Revel repos for the latest version
+// Checks the Revel repos for the latest version.
 func (v *VersionCommand) doRepoCheck(updateLibs bool) (versionInfo string, needsUpdate bool) {
 	var (
-		title string
+		title        string
 		localVersion *model.Version
 	)
 	for _, repo := range []string{"revel", "cmd", "modules"} {
@@ -110,25 +111,12 @@ func (v *VersionCommand) doRepoCheck(updateLibs bool) (versionInfo string, needs
 		}
 
 		// Only do an update on the first loop, and if specified to update
-		versionInfo = versionInfo + v.outputVersion(title, repo, localVersion, versonFromRepo)
+		versionInfo += v.outputVersion(title, repo, localVersion, versonFromRepo)
 	}
 	return
 }
 
-// Checks for updates if needed
-func (v *VersionCommand) doUpdate(title, repo string, local, remote *model.Version) {
-	utils.Logger.Info("Updating package", "package", title, "repo", repo)
-	fmt.Println("Attempting to update package", title)
-	if err := v.Command.PackageResolver(repo); err != nil {
-		utils.Logger.Error("Unable to update repo", "repo", repo, "error", err)
-	} else if repo == "github.com/revel/cmd/revel" {
-		// One extra step required here to run the install for the command
-		utils.Logger.Fatal("Revel command tool was updated, you must manually run the following command before continuing\ngo install github.com/revel/cmd/revel")
-	}
-	return
-}
-
-// Prints out the local and remote versions, calls update if needed
+// Prints out the local and remote versions, calls update if needed.
 func (v *VersionCommand) outputVersion(title, repo string, local, remote *model.Version) (output string) {
 	buffer := &bytes.Buffer{}
 	remoteVersion := "Unknown"
@@ -144,7 +132,7 @@ func (v *VersionCommand) outputVersion(title, repo string, local, remote *model.
 	return buffer.String()
 }
 
-// Returns the version from the repository
+// Returns the version from the repository.
 func (v *VersionCommand) versionFromRepo(repoName, branchName, fileName string) (version *model.Version, err error) {
 	if branchName == "" {
 		branchName = "master"
@@ -166,10 +154,6 @@ func (v *VersionCommand) versionFromRepo(repoName, branchName, fileName string)
 	return v.versionFromBytes(body)
 }
 
-// Returns version information from a file called version on the gopath
-func (v *VersionCommand) compareAndUpdateVersion(remoteVersion *model.Version, localVersion *model.Version) (err error) {
-	return
-}
 func (v *VersionCommand) versionFromFilepath(sourcePath string) (version *model.Version, err error) {
 	utils.Logger.Info("Fullpath to revel", "dir", sourcePath)
 
@@ -180,7 +164,7 @@ func (v *VersionCommand) versionFromFilepath(sourcePath string) (version *model.
 	return v.versionFromBytes(sourceStream)
 }
 
-// Returns version information from a file called version on the gopath
+// Returns version information from a file called version on the gopath.
 func (v *VersionCommand) versionFromBytes(sourceStream []byte) (version *model.Version, err error) {
 	fset := token.NewFileSet() // positions are relative to fset
 
@@ -206,7 +190,9 @@ func (v *VersionCommand) versionFromBytes(sourceStream []byte) (version *model.V
 			r := spec.Values[0].(*ast.BasicLit)
 			switch spec.Names[0].Name {
 			case "Version":
-				version.ParseVersion(strings.Replace(r.Value, `"`, "", -1))
+				if err = version.ParseVersion(strings.ReplaceAll(r.Value, `"`, "")); err != nil {
+					return
+				}
 			case "BuildDate":
 				version.BuildDate = r.Value
 			case "MinimumGoVersion":
@@ -217,14 +203,19 @@ func (v *VersionCommand) versionFromBytes(sourceStream []byte) (version *model.V
 	return
 }
 
-// Fetch the local version of revel from the file system
+// Fetch the local version of revel from the file system.
 func (v *VersionCommand) updateLocalVersions() {
 	v.cmdVersion = &model.Version{}
-	v.cmdVersion.ParseVersion(cmd.Version)
+
+	if err := v.cmdVersion.ParseVersion(cmd.Version); err != nil {
+		utils.Logger.Warn("Error parsing version", "error", err, "version", cmd.Version)
+		return
+	}
+
 	v.cmdVersion.BuildDate = cmd.BuildDate
 	v.cmdVersion.MinGoVersion = cmd.MinimumGoVersion
 
-	if v.Command.Version.ImportPath=="" {
+	if v.Command.Version.ImportPath == "" {
 		return
 	}
 
@@ -243,6 +234,4 @@ func (v *VersionCommand) updateLocalVersions() {
 	if err != nil {
 		utils.Logger.Warn("Unable to extract version information from Revel Modules", "path", pathMap[model.RevelModulesImportPath], "error", err)
 	}
-
-	return
 }

revel/version_test.go

@@ -1,18 +1,20 @@
 package main_test
 
 import (
-	"github.com/revel/cmd/model"
-	"github.com/revel/cmd/revel"
-	"github.com/stretchr/testify/assert"
+	"errors"
 	"os"
 	"path/filepath"
 	"testing"
+
+	"github.com/revel/cmd/model"
+	main "github.com/revel/cmd/revel"
+	"github.com/stretchr/testify/assert"
 )
 
-// test the commands
+// test the commands.
 func TestVersion(t *testing.T) {
 	a := assert.New(t)
-	gopath := setup("revel-test-version",  a)
+	gopath := setup("revel-test-version", a)
 
 	t.Run("Version", func(t *testing.T) {
 		a := assert.New(t)
@@ -33,9 +35,10 @@ func TestVersion(t *testing.T) {
 		c.Version.ImportPath = c.ImportPath
 		a.Nil(main.Commands[model.VERSION].RunWith(c), "Failed to run version-test")
 	})
+
 	if !t.Failed() {
-		if err := os.RemoveAll(gopath); err != nil && err!=os.ErrNotExist {
-			a.Fail("Failed to remove test path",err.Error())
+		if err := os.RemoveAll(gopath); err != nil && !errors.Is(err, os.ErrNotExist) {
+			a.Fail("Failed to remove test path", err.Error())
 		}
 	}
 }

tests/testrunner.go

@@ -5,12 +5,8 @@
 package tests
 
 import (
-	"fmt"
 	"html/template"
 	"reflect"
-	"strings"
-
-	"github.com/revel/cmd/utils"
 )
 
 // TestSuiteDesc is used for storing information about a single test suite.
@@ -46,111 +42,3 @@ type TestResult struct {
 	ErrorHTML    template.HTML
 	ErrorSummary string
 }
-
-var (
-	testSuites []TestSuiteDesc // A list of all available tests.
-
-	none = []reflect.Value{} // It is used as input for reflect call in a few places.
-
-	// registeredTests simplifies the search of test suites by their name.
-	// "TestSuite.TestName" is used as a key. Value represents index in testSuites.
-	registeredTests map[string]int
-)
-
-/*
-	Below are helper functions.
-*/
-
-// describeSuite expects testsuite interface as input parameter
-// and returns its description in a form of TestSuiteDesc structure.
-func describeSuite(testSuite interface{}) TestSuiteDesc {
-	t := reflect.TypeOf(testSuite)
-
-	// Get a list of methods of the embedded test type.
-	// It will be used to make sure the same tests are not included in multiple test suites.
-	super := t.Elem().Field(0).Type
-	superMethods := map[string]bool{}
-	for i := 0; i < super.NumMethod(); i++ {
-		// Save the current method's name.
-		superMethods[super.Method(i).Name] = true
-	}
-
-	// Get a list of methods on the test suite that take no parameters, return
-	// no results, and were not part of the embedded type's method set.
-	var tests []TestDesc
-	for i := 0; i < t.NumMethod(); i++ {
-		m := t.Method(i)
-		mt := m.Type
-
-		// Make sure the test method meets the criterias:
-		// - method of testSuite without input parameters;
-		// - nothing is returned;
-		// - has "Test" prefix;
-		// - doesn't belong to the embedded structure.
-		methodWithoutParams := (mt.NumIn() == 1 && mt.In(0) == t)
-		nothingReturned := (mt.NumOut() == 0)
-		hasTestPrefix := (strings.HasPrefix(m.Name, "Test"))
-		if methodWithoutParams && nothingReturned && hasTestPrefix && !superMethods[m.Name] {
-			// Register the test suite's index so we can quickly find it by test's name later.
-			registeredTests[t.Elem().Name()+"."+m.Name] = len(testSuites)
-
-			// Add test to the list of tests.
-			tests = append(tests, TestDesc{m.Name})
-		}
-	}
-
-	return TestSuiteDesc{
-		Name:  t.Elem().Name(),
-		Tests: tests,
-		Elem:  t.Elem(),
-	}
-}
-
-// errorSummary gets an error and returns its summary in human readable format.
-func errorSummary(err *utils.SourceError) (message string) {
-	expectedPrefix := "(expected)"
-	actualPrefix := "(actual)"
-	errDesc := err.Description
-	//strip the actual/expected stuff to provide more condensed display.
-	if strings.Index(errDesc, expectedPrefix) == 0 {
-		errDesc = errDesc[len(expectedPrefix):]
-	}
-	if strings.LastIndex(errDesc, actualPrefix) > 0 {
-		errDesc = errDesc[0 : len(errDesc)-len(actualPrefix)]
-	}
-
-	errFile := err.Path
-	slashIdx := strings.LastIndex(errFile, "/")
-	if slashIdx > 0 {
-		errFile = errFile[slashIdx+1:]
-	}
-
-	message = fmt.Sprintf("%s %s#%d", errDesc, errFile, err.Line)
-
-	/*
-		// If line of error isn't known return the message as is.
-		if err.Line == 0 {
-			return
-		}
-
-		// Otherwise, include info about the line number and the relevant
-		// source code lines.
-		message += fmt.Sprintf(" (around line %d): ", err.Line)
-		for _, line := range err.ContextSource() {
-			if line.IsError {
-				message += line.Source
-			}
-		}
-	*/
-
-	return
-}
-
-//sortbySuiteName sorts the testsuites by name.
-type sortBySuiteName []interface{}
-
-func (a sortBySuiteName) Len() int      { return len(a) }
-func (a sortBySuiteName) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
-func (a sortBySuiteName) Less(i, j int) bool {
-	return reflect.TypeOf(a[i]).Elem().Name() < reflect.TypeOf(a[j]).Elem().Name()
-}

utils/build_error.go

@@ -1,10 +1,12 @@
 package utils
 
 import (
+	"errors"
 	"fmt"
-	"github.com/revel/cmd/logger"
-	"strconv"
 	"regexp"
+	"strconv"
+
+	"github.com/revel/cmd/logger"
 )
 
 type (
@@ -15,7 +17,7 @@ type (
 	}
 )
 
-// Returns a new builed error
+// Returns a new builed error.
 func NewBuildError(message string, args ...interface{}) (b *BuildError) {
 	Logger.Info(message, args...)
 	b = &BuildError{}
@@ -26,38 +28,40 @@ func NewBuildError(message string, args ...interface{}) (b *BuildError) {
 	return b
 }
 
-// Returns a new BuildError if err is not nil
+// Returns a new BuildError if err is not nil.
 func NewBuildIfError(err error, message string, args ...interface{}) (b error) {
 	if err != nil {
-		if berr, ok := err.(*BuildError); ok {
+		var berr *BuildError
+		if errors.As(err, &berr) {
 			// This is already a build error so just append the args
 			berr.Args = append(berr.Args, args...)
 			return berr
-		} else {
-			args = append(args, "error", err.Error())
-			b = NewBuildError(message, args...)
 		}
+
+		args = append(args, "error", err.Error())
+		b = NewBuildError(message, args...)
 	}
+
 	return
 }
 
-// BuildError implements Error() string
+// BuildError implements Error() string.
 func (b *BuildError) Error() string {
 	return fmt.Sprint(b.Message, b.Args)
 }
 
 // Parse the output of the "go build" command.
 // Return a detailed Error.
-func NewCompileError(importPath, errorLink string, error error) *SourceError {
+func NewCompileError(importPath, errorLink string, err error) *SourceError {
 	// Get the stack from the error
 
 	errorMatch := regexp.MustCompile(`(?m)^([^:#]+):(\d+):(\d+:)? (.*)$`).
-		FindSubmatch([]byte(error.Error()))
+		FindSubmatch([]byte(err.Error()))
 	if errorMatch == nil {
-		errorMatch = regexp.MustCompile(`(?m)^(.*?):(\d+):\s(.*?)$`).FindSubmatch([]byte(error.Error()))
+		errorMatch = regexp.MustCompile(`(?m)^(.*?):(\d+):\s(.*?)$`).FindSubmatch([]byte(err.Error()))
 
 		if errorMatch == nil {
-			Logger.Error("Failed to parse build errors", "error", error)
+			Logger.Error("Failed to parse build errors", "error", err)
 			return &SourceError{
 				SourceType:  "Go code",
 				Title:       "Go Compilation Error",
@@ -67,16 +71,15 @@ func NewCompileError(importPath, errorLink string, error error) *SourceError {
 
 		errorMatch = append(errorMatch, errorMatch[3])
 
-		Logger.Error("Build errors", "errors", error)
+		Logger.Error("Build errors", "errors", err)
 	}
 
-
 	// Read the source for the offending file.
 	var (
-		relFilename = string(errorMatch[1]) // e.g. "src/revel/sample/app/controllers/app.go"
-		absFilename = relFilename
-		line, _ = strconv.Atoi(string(errorMatch[2]))
-		description = string(errorMatch[4])
+		relFilename  = string(errorMatch[1]) // e.g. "src/revel/sample/app/controllers/app.go"
+		absFilename  = relFilename
+		line, _      = strconv.Atoi(string(errorMatch[2]))
+		description  = string(errorMatch[4])
 		compileError = &SourceError{
 			SourceType:  "Go code",
 			Title:       "Go Compilation Error",
@@ -95,10 +98,10 @@ func NewCompileError(importPath, errorLink string, error error) *SourceError {
 	fileStr, err := ReadLines(absFilename)
 	if err != nil {
 		compileError.MetaError = absFilename + ": " + err.Error()
-		Logger.Info("Unable to readlines " + compileError.MetaError, "error", err)
+		Logger.Info("Unable to readlines "+compileError.MetaError, "error", err)
 		return compileError
 	}
 
 	compileError.SourceLines = fileStr
 	return compileError
-}
+}

utils/command.go

@@ -1,19 +1,28 @@
 package utils
 
 import (
+	"bytes"
 	"go/build"
 	"os"
 	"os/exec"
-	"strings"
-	"bytes"
 	"path/filepath"
+	"strings"
 )
 
-// Initialize the command based on the GO environment
+// Initialize the command based on the GO environment.
 func CmdInit(c *exec.Cmd, addGoPath bool, basePath string) {
 	c.Dir = basePath
 	// Dep does not like paths that are not real, convert all paths in go to real paths
+	// Fetch the rest of the env variables
+	c.Env = ReducedEnv(addGoPath)
+
+}
+
+// ReducedEnv returns a list of environment vairables by using os.Env
+// it will remove the GOPATH, GOROOT if addGoPath is true
+func ReducedEnv(addGoPath bool) []string {
 	realPath := &bytes.Buffer{}
+	env := []string{}
 	if addGoPath {
 		for _, p := range filepath.SplitList(build.Default.GOPATH) {
 			rp, _ := filepath.EvalSymlinks(p)
@@ -23,14 +32,18 @@ func CmdInit(c *exec.Cmd, addGoPath bool, basePath string) {
 			realPath.WriteString(rp)
 		}
 		// Go 1.8 fails if we do not include the GOROOT
-		c.Env = []string{"GOPATH=" + realPath.String(), "GOROOT=" + os.Getenv("GOROOT")}
+		env = []string{"GOPATH=" + realPath.String(), "GOROOT=" + os.Getenv("GOROOT")}
 	}
-	// Fetch the rest of the env variables
+
 	for _, e := range os.Environ() {
 		pair := strings.Split(e, "=")
-		if pair[0] == "GOPATH" || pair[0] == "GOROOT" {
+		// Always exclude gomodcache
+		if pair[0] == "GOMODCACHE" {
+			continue
+		} else if !addGoPath && (pair[0] == "GOPATH" || pair[0] == "GOROOT") {
 			continue
 		}
-		c.Env = append(c.Env, e)
+		env = append(env, e)
 	}
-}
+	return env
+}

utils/error.go

@@ -6,7 +6,7 @@ import (
 	"strings"
 )
 
-// The error is a wrapper for the
+// The error is a wrapper for the.
 type (
 	SourceError struct {
 		SourceType               string   // The type of source that failed to build.
@@ -23,27 +23,28 @@ type (
 		IsError bool
 	}
 )
-// Return a new error object
+
+// Return a new error object.
 func NewError(source, title, path, description string) *SourceError {
 	return &SourceError{
-		SourceType:source,
-		Title:title,
-		Path:path,
-		Description:description,
+		SourceType:  source,
+		Title:       title,
+		Path:        path,
+		Description: description,
 	}
 }
 
-// Creates a link based on the configuration setting "errors.link"
+// Creates a link based on the configuration setting "errors.link".
 func (e *SourceError) SetLink(errorLink string) {
-	errorLink = strings.Replace(errorLink, "{{Path}}", e.Path, -1)
-	errorLink = strings.Replace(errorLink, "{{Line}}", strconv.Itoa(e.Line), -1)
+	errorLink = strings.ReplaceAll(errorLink, "{{Path}}", e.Path)
+	errorLink = strings.ReplaceAll(errorLink, "{{Line}}", strconv.Itoa(e.Line))
 
 	e.Link = "<a href=" + errorLink + ">" + e.Path + ":" + strconv.Itoa(e.Line) + "</a>"
 }
 
 // Error method constructs a plaintext version of the error, taking
 // account that fields are optionally set. Returns e.g. Compilation Error
-// (in views/header.html:51): expected right delim in end; got "}"
+// (in views/header.html:51): expected right delim in end; got "}".
 func (e *SourceError) Error() string {
 	if e == nil {
 		panic("opps")
@@ -82,7 +83,7 @@ func (e *SourceError) ContextSource() []SourceLine {
 		end = len(e.SourceLines)
 	}
 
-	lines := make([]SourceLine, end - start)
+	lines := make([]SourceLine, end-start)
 	for i, src := range e.SourceLines[start:end] {
 		fileLine := start + i + 1
 		lines[i] = SourceLine{src, fileLine, fileLine == e.Line}

utils/file.go

@@ -4,14 +4,15 @@ import (
 	"archive/tar"
 	"bytes"
 	"compress/gzip"
-	"fmt"
 	"errors"
+	"fmt"
 	"html/template"
 	"io"
 	"io/ioutil"
 	"os"
 	"path/filepath"
 	"strings"
+
 	"golang.org/x/tools/go/packages"
 )
 
@@ -39,9 +40,8 @@ func ReadLines(filename string) ([]string, error) {
 	return strings.Split(string(dataBytes), "\n"), nil
 }
 
-// Copy file returns error
+// Copy file returns error.
 func CopyFile(destFilename, srcFilename string) (err error) {
-
 	destFile, err := os.Create(destFilename)
 	if err != nil {
 		return NewBuildIfError(err, "Failed to create file", "file", destFilename)
@@ -105,11 +105,11 @@ func GenerateTemplate(filename, templateSource string, args map[string]interface
 	return
 }
 
-// Given the target path and source path and data. A template
+// Given the target path and source path and data. A template.
 func RenderTemplate(destPath, srcPath string, data interface{}) (err error) {
 	tmpl, err := template.ParseFiles(srcPath)
 	if err != nil {
-		return NewBuildIfError(err, "Failed to parse template " + srcPath)
+		return NewBuildIfError(err, "Failed to parse template "+srcPath)
 	}
 
 	f, err := os.Create(destPath)
@@ -119,26 +119,26 @@ func RenderTemplate(destPath, srcPath string, data interface{}) (err error) {
 
 	err = tmpl.Execute(f, data)
 	if err != nil {
-		return NewBuildIfError(err, "Failed to Render template " + srcPath)
+		return NewBuildIfError(err, "Failed to Render template "+srcPath)
 	}
 
 	err = f.Close()
 	if err != nil {
-		return NewBuildIfError(err, "Failed to close file stream " + destPath)
+		return NewBuildIfError(err, "Failed to close file stream "+destPath)
 	}
 	return
 }
 
-// Given the target path and source path and data. A template
+// Given the target path and source path and data. A template.
 func RenderTemplateToStream(output io.Writer, srcPath []string, data interface{}) (err error) {
 	tmpl, err := template.ParseFiles(srcPath...)
 	if err != nil {
-		return NewBuildIfError(err, "Failed to parse template " + srcPath[0])
+		return NewBuildIfError(err, "Failed to parse template "+srcPath[0])
 	}
 
 	err = tmpl.Execute(output, data)
 	if err != nil {
-		return NewBuildIfError(err, "Failed to render template " + srcPath[0])
+		return NewBuildIfError(err, "Failed to render template "+srcPath[0])
 	}
 	return
 }
@@ -148,10 +148,11 @@ func MustChmod(filename string, mode os.FileMode) {
 	PanicOnError(err, fmt.Sprintf("Failed to chmod %d %q", mode, filename))
 }
 
-// Called if panic
+// Called if panic.
 func PanicOnError(err error, msg string) {
-	if revErr, ok := err.(*SourceError); (ok && revErr != nil) || (!ok && err != nil) {
-		Logger.Panicf("Abort: %s: %s %s", msg, revErr, err)
+	var serr *SourceError
+	if (errors.As(err, &serr) && serr != nil) || err != nil {
+		Logger.Panicf("Abort: %s: %s %s", msg, serr, err)
 	}
 }
 
@@ -181,15 +182,14 @@ func CopyDir(destDir, srcDir string, data map[string]interface{}) error {
 		if info.IsDir() {
 			err := os.MkdirAll(filepath.Join(destDir, relSrcPath), 0777)
 			if !os.IsExist(err) {
-				return NewBuildIfError(err, "Failed to create directory", "path", destDir + "/" + relSrcPath)
+				return NewBuildIfError(err, "Failed to create directory", "path", destDir+"/"+relSrcPath)
 			}
 			return nil
 		}
 
 		// If this file ends in ".template", render it as a template.
 		if strings.HasSuffix(relSrcPath, ".template") {
-
-			return RenderTemplate(destPath[:len(destPath) - len(".template")], srcPath, data)
+			return RenderTemplate(destPath[:len(destPath)-len(".template")], srcPath, data)
 		}
 
 		// Else, just copy it over.
@@ -198,13 +198,13 @@ func CopyDir(destDir, srcDir string, data map[string]interface{}) error {
 	})
 }
 
-// Shortcut to fsWalk
+// Shortcut to fsWalk.
 func Walk(root string, walkFn filepath.WalkFunc) error {
 	return fsWalk(root, root, walkFn)
 }
 
 // Walk the path tree using the function
-// Every file found will call the function
+// Every file found will call the function.
 func fsWalk(fname string, linkName string, walkFn filepath.WalkFunc) error {
 	fsWalkFunc := func(path string, info os.FileInfo, err error) error {
 		if err != nil {
@@ -219,7 +219,7 @@ func fsWalk(fname string, linkName string, walkFn filepath.WalkFunc) error {
 
 		path = filepath.Join(linkName, name)
 
-		if err == nil && info.Mode() & os.ModeSymlink == os.ModeSymlink {
+		if err == nil && info.Mode()&os.ModeSymlink == os.ModeSymlink {
 			var symlinkPath string
 			symlinkPath, err = filepath.EvalSymlinks(path)
 			if err != nil {
@@ -244,7 +244,7 @@ func fsWalk(fname string, linkName string, walkFn filepath.WalkFunc) error {
 	return err
 }
 
-// Tar gz the folder
+// Tar gz the folder.
 func TarGzDir(destFilename, srcDir string) (name string, err error) {
 	zipFile, err := os.Create(destFilename)
 	if err != nil {
@@ -266,6 +266,10 @@ func TarGzDir(destFilename, srcDir string) (name string, err error) {
 	}()
 
 	err = fsWalk(srcDir, srcDir, func(srcPath string, info os.FileInfo, err error) error {
+		if err != nil {
+			Logger.Debugf("error in walkFn: %s", err)
+		}
+
 		if info.IsDir() {
 			return nil
 		}
@@ -300,7 +304,7 @@ func TarGzDir(destFilename, srcDir string) (name string, err error) {
 	return zipFile.Name(), err
 }
 
-// Return true if the file exists
+// Return true if the file exists.
 func Exists(filename string) bool {
 	_, err := os.Stat(filename)
 	return err == nil
@@ -324,7 +328,7 @@ func Empty(dirname string) bool {
 	return len(results) == 0
 }
 
-// Find the full source dir for the import path, uses the build.Default.GOPATH to search for the directory
+// Find the full source dir for the import path, uses the build.Default.GOPATH to search for the directory.
 func FindSrcPaths(appPath string, packageList []string, packageResolver func(pkgName string) error) (sourcePathsmap map[string]string, err error) {
 	sourcePathsmap, missingList, err := findSrcPaths(appPath, packageList)
 	if err != nil && packageResolver != nil || len(missingList) > 0 {
@@ -345,17 +349,28 @@ func FindSrcPaths(appPath string, packageList []string, packageResolver func(pkg
 	return
 }
 
-var NO_APP_FOUND = errors.New("No app found")
-var NO_REVEL_FOUND = errors.New("No revel found")
+// Error is used for constant errors.
+type Error string
 
-// Find the full source dir for the import path, uses the build.Default.GOPATH to search for the directory
-func findSrcPaths(appPath string, packagesList []string) (sourcePathsmap map[string]string, missingList[] string, err error) {
+// Error implements the error interface.
+func (e Error) Error() string {
+	return string(e)
+}
+
+var (
+	ErrNoApp   Error = "no app found"
+	ErrNoRevel Error = "no revel found"
+)
+
+// Find the full source dir for the import path, uses the build.Default.GOPATH to search for the directory.
+func findSrcPaths(appPath string, packagesList []string) (sourcePathsmap map[string]string, missingList []string, err error) {
 	// Use packages to fetch
 	// by not specifying env, we will use the default env
 	config := &packages.Config{
-		Mode: packages.NeedName | packages.NeedFiles,
-		Dir:appPath,
+		Mode: packages.NeedName | packages.NeedFiles | packages.NeedDeps,
+		Dir:  appPath,
 	}
+	config.Env = ReducedEnv(false)
 	sourcePathsmap = map[string]string{}
 	Logger.Infof("Environment path %s root %s config env %s", os.Getenv("GOPATH"), os.Getenv("GOROOT"), config.Env)
 
@@ -371,9 +386,8 @@ func findSrcPaths(appPath string, packagesList []string) (sourcePathsmap map[str
 				if pck.Errors != nil && len(pck.Errors) > 0 {
 					log.Error("Error ", "count", len(pck.Errors), "App Import Path", pck.ID, "filesystem path", pck.PkgPath, "errors", pck.Errors)
 					// continue
-
 				}
-				//a,_ := pck.MarshalJSON()
+				// a,_ := pck.MarshalJSON()
 				log.Info("Found ", "count", len(pck.GoFiles), "App Import Path", pck.ID, "apppath", appPath)
 				if len(pck.GoFiles) > 0 {
 					sourcePathsmap[packageName] = filepath.Dir(pck.GoFiles[0])
@@ -383,9 +397,9 @@ func findSrcPaths(appPath string, packagesList []string) (sourcePathsmap map[str
 		}
 		if !found {
 			if packageName == "github.com/revel/revel" {
-				err = NO_REVEL_FOUND
+				err = ErrNoRevel
 			} else {
-				err = NO_APP_FOUND
+				err = ErrNoApp
 			}
 			missingList = append(missingList, packageName)
 		}

utils/log.go

@@ -2,10 +2,11 @@ package utils
 
 import (
 	"fmt"
-	"github.com/revel/cmd/logger"
-	"github.com/revel/config"
 	"os"
 	"strings"
+
+	"github.com/revel/cmd/logger"
+	"github.com/revel/config"
 )
 
 var Logger = logger.New()
@@ -31,8 +32,8 @@ func InitLogger(basePath string, logLevel logger.LogLevel) {
 }
 
 // This function is to throw a panic that may be caught by the packger so it can perform the needed
-// imports
-func Retry(format string, args ...interface{}) {
+// imports.
+func Retryf(format string, args ...interface{}) {
 	// Ensure the user's command prompt starts on the next line.
 	if !strings.HasSuffix(format, "\n") {
 		format += "\n"

utils/strings.go

@@ -1,6 +1,6 @@
 package utils
 
-// Return true if the target string is in the list
+// Return true if the target string is in the list.
 func ContainsString(list []string, target string) bool {
 	for _, el := range list {
 		if el == target {

version.go

@@ -6,11 +6,11 @@ package cmd
 
 const (
 	// Version current Revel version
-	Version = "1.0.0"
+	Version = "1.1.0"
 
 	// BuildDate latest commit/release date
-	BuildDate = "2020-07-11"
+	BuildDate = "2022-04-11"
 
 	// MinimumGoVersion minimum required Go version for Revel
-	MinimumGoVersion = ">= go1.12"
+	MinimumGoVersion = ">= go1.17"
 )

watcher/watcher.go

@@ -9,11 +9,11 @@ import (
 	"path/filepath"
 	"strings"
 	"sync"
+	"time"
 
+	"github.com/fsnotify/fsnotify"
 	"github.com/revel/cmd/model"
 	"github.com/revel/cmd/utils"
-	"github.com/fsnotify/fsnotify"
-	"time"
 )
 
 // Listener is an interface for receivers of filesystem events.
@@ -33,7 +33,7 @@ type DiscerningListener interface {
 // Watcher allows listeners to register to be notified of changes under a given
 // directory.
 type Watcher struct {
-	                                  // Parallel arrays of watcher/listener pairs.
+	// Parallel arrays of watcher/listener pairs.
 	watchers            []*fsnotify.Watcher
 	listeners           []Listener
 	forceRefresh        bool
@@ -42,20 +42,20 @@ type Watcher struct {
 	lastError           int
 	notifyMutex         sync.Mutex
 	paths               *model.RevelContainer
-	refreshTimer        *time.Timer   // The timer to countdown the next refresh
-	timerMutex          *sync.Mutex   // A mutex to prevent concurrent updates
+	refreshTimer        *time.Timer // The timer to countdown the next refresh
+	timerMutex          *sync.Mutex // A mutex to prevent concurrent updates
 	refreshChannel      chan *utils.SourceError
 	refreshChannelCount int
-	refreshTimerMS      time.Duration // The number of milliseconds between refreshing builds
+	refreshInterval     time.Duration // The interval between refreshing builds
 }
 
-// Creates a new watched based on the container
+// Creates a new watched based on the container.
 func NewWatcher(paths *model.RevelContainer, eagerRefresh bool) *Watcher {
 	return &Watcher{
-		forceRefresh:   false,
-		lastError:      -1,
-		paths:          paths,
-		refreshTimerMS: time.Duration(paths.Config.IntDefault("watch.rebuild.delay", 1000)),
+		forceRefresh:    true,
+		lastError:       -1,
+		paths:           paths,
+		refreshInterval: time.Duration(paths.Config.IntDefault("watch.rebuild.delay", 1000)) * time.Millisecond,
 		eagerRefresh: eagerRefresh ||
 			paths.DevMode &&
 				paths.Config.BoolDefault("watch", true) &&
@@ -85,7 +85,7 @@ func (w *Watcher) Listen(listener Listener, roots ...string) {
 	for _, p := range roots {
 		// is the directory / file a symlink?
 		f, err := os.Lstat(p)
-		if err == nil && f.Mode() & os.ModeSymlink == os.ModeSymlink {
+		if err == nil && f.Mode()&os.ModeSymlink == os.ModeSymlink {
 			var realPath string
 			realPath, err = filepath.EvalSymlinks(p)
 			if err != nil {
@@ -109,9 +109,7 @@ func (w *Watcher) Listen(listener Listener, roots ...string) {
 			continue
 		}
 
-		var watcherWalker func(path string, info os.FileInfo, err error) error
-
-		watcherWalker = func(path string, info os.FileInfo, err error) error {
+		watcherWalker := func(path string, info os.FileInfo, err error) error {
 			if err != nil {
 				utils.Logger.Fatal("Watcher: Error walking path:", "error", err)
 				return nil
@@ -150,7 +148,6 @@ func (w *Watcher) Listen(listener Listener, roots ...string) {
 
 // NotifyWhenUpdated notifies the watcher when a file event is received.
 func (w *Watcher) NotifyWhenUpdated(listener Listener, watcher *fsnotify.Watcher) {
-
 	for {
 		select {
 		case ev := <-watcher.Events:
@@ -166,7 +163,10 @@ func (w *Watcher) NotifyWhenUpdated(listener Listener, watcher *fsnotify.Watcher
 				} else {
 					// Run refresh in parallel
 					go func() {
-						w.notifyInProcess(listener)
+						if err := w.notifyInProcess(listener); err != nil {
+							utils.Logger.Error("failed to notify",
+								"error", err)
+						}
 					}()
 				}
 			}
@@ -200,7 +200,7 @@ func (w *Watcher) Notify() *utils.SourceError {
 			case <-watcher.Errors:
 				continue
 			default:
-			// No events left to pull
+				// No events left to pull
 			}
 			break
 		}
@@ -218,10 +218,10 @@ func (w *Watcher) Notify() *utils.SourceError {
 				w.lastError = i
 				w.forceRefresh = true
 				return err
-			} else {
-				w.lastError = -1
-				w.forceRefresh = false
 			}
+
+			w.lastError = -1
+			w.forceRefresh = false
 		}
 	}
 
@@ -229,7 +229,7 @@ func (w *Watcher) Notify() *utils.SourceError {
 }
 
 // Build a queue for refresh notifications
-// this will not return until one of the queue completes
+// this will not return until one of the queue completes.
 func (w *Watcher) notifyInProcess(listener Listener) (err *utils.SourceError) {
 	shouldReturn := false
 	// This code block ensures that either a timer is created
@@ -241,11 +241,11 @@ func (w *Watcher) notifyInProcess(listener Listener) (err *utils.SourceError) {
 		w.forceRefresh = true
 		if w.refreshTimer != nil {
 			utils.Logger.Info("Found existing timer running, resetting")
-			w.refreshTimer.Reset(time.Millisecond * w.refreshTimerMS)
+			w.refreshTimer.Reset(w.refreshInterval)
 			shouldReturn = true
 			w.refreshChannelCount++
 		} else {
-			w.refreshTimer = time.NewTimer(time.Millisecond * w.refreshTimerMS)
+			w.refreshTimer = time.NewTimer(w.refreshInterval)
 		}
 	}()
 
@@ -286,10 +286,9 @@ func (w *Watcher) rebuildRequired(ev fsnotify.Event, listener Listener) bool {
 	}
 
 	if dl, ok := listener.(DiscerningListener); ok {
-		if !dl.WatchFile(ev.Name) || ev.Op & fsnotify.Chmod == fsnotify.Chmod {
+		if !dl.WatchFile(ev.Name) || ev.Op&fsnotify.Chmod == fsnotify.Chmod {
 			return false
 		}
 	}
 	return true
 }
-