Lint fixes

utils/build_error.go

@@ -2,9 +2,10 @@ package utils
 
 import (
 	"fmt"
-	"github.com/revel/cmd/logger"
-	"strconv"
 	"regexp"
+	"strconv"
+
+	"github.com/revel/cmd/logger"
 )
 
 type (
@@ -15,7 +16,7 @@ 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{}
@@ -26,22 +27,23 @@ 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 {
 			// 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)
 }
@@ -70,13 +72,12 @@ func NewCompileError(importPath, errorLink string, error error) *SourceError {
 		Logger.Error("Build errors", "errors", error)
 	}
 
-
 	// 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 +96,10 @@ 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

@@ -1,15 +1,15 @@
 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
@@ -33,4 +33,4 @@ func CmdInit(c *exec.Cmd, addGoPath bool, basePath string) {
 		}
 		c.Env = append(c.Env, e)
 	}
-}
+}

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
 }
@@ -148,7 +148,7 @@ 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)
@@ -181,15 +181,14 @@ 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 +197,13 @@ 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 +218,7 @@ 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 +243,7 @@ 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 +265,10 @@ 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 +303,7 @@ 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 +327,7 @@ 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 {
@@ -345,16 +348,18 @@ 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")
+var (
+	NO_APP_FOUND   = errors.New("no app found")
+	NO_REVEL_FOUND = errors.New("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) {
+// 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,
+		Dir:  appPath,
 	}
 	sourcePathsmap = map[string]string{}
 	Logger.Infof("Environment path %s root %s config env %s", os.Getenv("GOPATH"), os.Getenv("GOROOT"), config.Env)
@@ -371,9 +376,8 @@ 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])

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()
@@ -31,7 +32,7 @@ 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
+// imports.
 func Retry(format string, args ...interface{}) {
 	// Ensure the user's command prompt starts on the next line.
 	if !strings.HasSuffix(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 {