Tool updates

Updated tool to give more meaningful errors
Added file system as an option to fetch the skeleton from

model/command_config.go

@@ -92,7 +92,7 @@ type (
 )
 
 // Updates the import path depending on the command
-func (c *CommandConfig) UpdateImportPath() bool {
+func (c *CommandConfig) UpdateImportPath() error {
 	var importPath string
 	required := true
 	switch c.Index {
@@ -114,6 +114,7 @@ func (c *CommandConfig) UpdateImportPath() bool {
 	}
 
 	if len(importPath) == 0 || filepath.IsAbs(importPath) || importPath[0] == '.' {
+		utils.Logger.Info("Import path is absolute or not specified", "path", importPath)
 		// Try to determine the import path from the GO paths and the command line
 		currentPath, err := os.Getwd()
 		if len(importPath) > 0 {
@@ -135,7 +136,7 @@ func (c *CommandConfig) UpdateImportPath() bool {
 					if len(importPath) > 4 && strings.ToLower(importPath[0:4]) == "src/" {
 						importPath = importPath[4:]
 					} else if importPath == "src" {
-						importPath = ""
+						return fmt.Errorf("Invlaid import path, working dir is in GOPATH root")
 					}
 					utils.Logger.Info("Updated import path", "path", importPath)
 				}
@@ -155,7 +156,13 @@ func (c *CommandConfig) UpdateImportPath() bool {
 		}
 		utils.Logger.Info("Revel versions", "revel-tool", c.CommandVersion.String(), "Revel Framework", c.FrameworkVersion.String())
 	}
-	return (len(importPath) > 0 || !required)
+	if !required {
+		return nil
+	}
+	if len(importPath) == 0  {
+		return fmt.Errorf("Unable to determine import path from : %s", importPath)
+	}
+	return nil
 }
 
 // Used to initialize the package resolver

model/revel_container.go

@@ -120,8 +120,16 @@ func NewRevelPaths(mode, importPath, srcPath string, callback RevelCallback) (rp
 	rp.BasePath = filepath.Join(rp.SourcePath, filepath.FromSlash(importPath))
 	rp.PackageInfo.Vendor = utils.Exists(filepath.Join(rp.BasePath, "vendor"))
 	rp.AppPath = filepath.Join(rp.BasePath, "app")
-	rp.ViewsPath = filepath.Join(rp.AppPath, "views")
 
+	// 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(filepath.Join(rp.BasePath, "conf")) {
+		return rp, fmt.Errorf("No configuration found at path %s", filepath.Join(rp.BasePath, "conf"))
+	}
+
+	rp.ViewsPath = filepath.Join(rp.AppPath, "views")
 	rp.CodePaths = []string{rp.AppPath}
 	rp.TemplatePaths = []string{}
 

revel/command_test.go

@@ -65,7 +65,7 @@ func newApp(name string, command model.COMMAND, precall func(c *model.CommandCon
 	if precall != nil {
 		precall(c)
 	}
-	if !c.UpdateImportPath() {
+	if c.UpdateImportPath()!=nil {
 		a.Fail("Unable to update import path")
 	}
 	c.InitGoPaths()

revel/new.go

@@ -65,6 +65,13 @@ func newApp(c *model.CommandConfig) (err error) {
 	if err == nil || !utils.Empty(c.AppPath) {
 		return utils.NewBuildError("Abort: Import path already exists.", "path", c.ImportPath)
 	}
+
+	// checking and setting skeleton
+	if err=setSkeletonPath(c);err!=nil {
+		return
+	}
+
+	// Create application path
 	if err := os.MkdirAll(c.AppPath, os.ModePerm); err != nil {
 		return utils.NewBuildError("Abort: Unable to create app path.", "path", c.AppPath)
 	}
@@ -115,18 +122,12 @@ func newApp(c *model.CommandConfig) (err error) {
 	}
 
 	// checking and setting application
-
 	if err = setApplicationPath(c); err != nil {
 		return err
 	}
 	// At this point the versions can be set
 	c.SetVersions()
 
-	// checking and setting skeleton
-	if err=setSkeletonPath(c);err!=nil {
-		return
-	}
-
 	// copy files to new app directory
 	if err = copyNewAppFiles(c);err != nil {
 		return
@@ -201,11 +202,28 @@ func setSkeletonPath(c *model.CommandConfig) (err error) {
 	}
 
 	// First check to see the protocol of the string
-	if sp, err := url.Parse(c.New.SkeletonPath); err == nil {
+	sp, err := url.Parse(c.New.SkeletonPath)
+	if err == nil {
 		utils.Logger.Info("Detected skeleton path", "path", sp)
 
 		switch strings.ToLower(sp.Scheme) {
-		// TODO Add support for https, http, ftp, file
+		// TODO Add support for https, http, ftp
+		case "" :
+			sp.Scheme="file"
+			fallthrough
+		case "file" :
+			fullpath := sp.String()[7:]
+			if !filepath.IsAbs(fullpath) {
+				fullpath, err = filepath.Abs(fullpath)
+				if err!=nil {
+					return
+				}
+			}
+			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())
+			}
 		case "git":
 			if err := newLoadFromGit(c, sp); err != nil {
 				return err
@@ -237,7 +255,7 @@ func newLoadFromGit(c *model.CommandConfig, sp *url.URL) (err error) {
 	utils.Logger.Info("Exec:", "args", getCmd.Args)
 	getOutput, err := getCmd.CombinedOutput()
 	if err != nil {
-		utils.Logger.Fatal("Abort: could not clone the  Skeleton  source code: ","output", getOutput, "path", c.New.SkeletonPath)
+		utils.Logger.Fatal("Abort: could not clone the  Skeleton  source code: ","output", string(getOutput), "path", c.New.SkeletonPath)
 	}
 	outputPath := targetPath
 	if len(pathpart) > 1 {

revel/revel.go

@@ -20,6 +20,7 @@ import (
 	"github.com/revel/cmd/logger"
 	"github.com/revel/cmd/model"
 	"github.com/revel/cmd/utils"
+	"bytes"
 )
 
 const (
@@ -70,14 +71,17 @@ func main() {
 	wd, _ := os.Getwd()
 
 	utils.InitLogger(wd, logger.LvlError)
-
 	parser := flags.NewParser(c, flags.HelpFlag|flags.PassDoubleDash)
-	if err := ParseArgs(c, parser, os.Args[1:]); err != nil {
-		fmt.Fprint(os.Stderr, err.Error())
+	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")
+		os.Exit(1)
+	}
+
 	// Switch based on the verbose flag
 	if len(c.Verbose)>1 {
 		utils.InitLogger(wd, logger.LvlDebug)
@@ -87,8 +91,10 @@ func main() {
 		utils.InitLogger(wd, logger.LvlWarn)
 	}
 
-	if !c.UpdateImportPath() {
-		utils.Logger.Fatal("Unable to determine application path")
+	if err := c.UpdateImportPath();err!=nil {
+		utils.Logger.Error(err.Error())
+		parser.WriteHelp(os.Stdout)
+		os.Exit(1)
 	}
 
 	command := Commands[c.Index]
@@ -136,12 +142,12 @@ func ParseArgs(c *model.CommandConfig, parser *flags.Parser, args []string) (err
 		}
 	}
 
-	if c.Index == 0 {
-		err = fmt.Errorf("Unknown command %v", extraArgs)
-	} else if len(extraArgs) > 0 {
+	if len(extraArgs) > 0 {
 		utils.Logger.Info("Found additional arguements, setting them")
 		if !Commands[c.Index].UpdateConfig(c, extraArgs) {
-			err = fmt.Errorf("Invalid command line arguements %v", extraArgs)
+			buffer := &bytes.Buffer{}
+			parser.WriteHelp(buffer)
+			err = fmt.Errorf("Invalid command line arguements %v\n%s", extraArgs, buffer.String())
 		}
 	}
 

revel/run.go

@@ -13,6 +13,7 @@ import (
 	"github.com/revel/cmd/utils"
 	"go/build"
 	"os"
+	"path/filepath"
 )
 
 var cmdRun = &Command{
@@ -72,7 +73,7 @@ func updateRunConfig(c *model.CommandConfig, args []string) bool {
 		// 3. revel run [run-mode] [port]
 
 		// Check to see if the import path evaluates out to something that may be on a gopath
-		if _, err := build.Import(args[0], "", build.FindOnly); err == nil {
+		if runIsImportPath(args[0]) {
 			// 1st arg is the import path
 			c.Run.ImportPath = args[0]
 
@@ -93,12 +94,7 @@ func updateRunConfig(c *model.CommandConfig, args []string) bool {
 		// 1. revel run [import-path]
 		// 2. revel run [port]
 		// 3. revel run [run-mode]
-		_, err := build.Import(args[0], "", build.FindOnly)
-		if err != nil {
-			utils.Logger.Warn("Unable to run using an import path, assuming import path is working directory %s %s", "Argument", args[0], "error", err.Error())
-		}
-		utils.Logger.Info("Trying to build with", args[0], err)
-		if err == nil {
+		if runIsImportPath(args[0]) {
 			// 1st arg is the import path
 			c.Run.ImportPath = args[0]
 		} else if _, err := strconv.Atoi(args[0]); err == nil {
@@ -116,6 +112,14 @@ func updateRunConfig(c *model.CommandConfig, args []string) bool {
 	return true
 }
 
+// Returns true if this is an absolute path or a relative gopath
+func runIsImportPath(pathToCheck string) bool {
+	if _, err := build.Import(pathToCheck, "", build.FindOnly);err==nil {
+		return true
+	}
+	return filepath.IsAbs(pathToCheck)
+}
+
 // Called to run the app
 func runApp(c *model.CommandConfig) (err error) {
 	if c.Run.Mode == "" {