Improve the iris run command as requested here https://github.com/kataras/iris/issues/192

HISTORY.md

@@ -27,6 +27,8 @@ Underline changes, libraries used by iris' base code:
 - [Fix or disable colors in iris run](https://github.com/kataras/iris/issues/217).
 
 
+Improvements to the `iris run` **command**, as requested [here](https://github.com/kataras/iris/issues/192).
+
 [Book](https://kataras.gitbooks.io/iris/content/) and [examples](https://github.com/iris-contrib/examples) are **updated** also.
 
 ## 3.0.0-rc.1 -> 3.0.0-rc.2

iris/README.md

@@ -7,7 +7,7 @@ This package is the command line tool for  [../](https://github.com/kataras/iris
 [![Iris installed screen](https://raw.githubusercontent.com/iris-contrib/website/gh-pages/assets/iris_cli_screen2.png)](https://raw.githubusercontent.com/iris-contrib/website/gh-pages/assets/iris_cli_screen2.png)
 
 ## Install
-Current version: 0.0.6
+Current version: 0.0.7
 ```sh
 
 go get -u github.com/kataras/iris/iris

iris/main.go

@@ -13,6 +13,10 @@ import (
 	"github.com/kataras/iris/logger"
 )
 
+const (
+	Version = "0.0.7"
+)
+
 var (
 	app        *cli.App
 	printer    *logger.Logger
@@ -33,7 +37,7 @@ func init() {
 	defaultInstallDir := workingDir[strings.LastIndexByte(workingDir, os.PathSeparator)+1:]
 
 	// init the cli app
-	app = cli.NewApp("iris", "Command line tool for Iris web framework", "0.0.6")
+	app = cli.NewApp("iris", "Command line tool for Iris web framework", Version)
 	// version command
 	app.Command(cli.Command("version", "\t      prints your iris version").Action(func(cli.Flags) error { app.Printf("%s", iris.Version); return nil }))
 

iris/run.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"io/ioutil"
 	"os"
 	"path/filepath"
 	"runtime"
@@ -38,6 +39,7 @@ func build(sourcepath string) error {
 func run(executablePath string, stdout bool) (*utils.Cmd, error) {
 	runCmd := utils.CommandBuilder("." + utils.PathSeparator + executablePath)
 	runCmd.Dir = workingDir
+	runCmd.Stderr = os.Stderr
 	if stdout {
 		runCmd.Stdout = os.Stdout
 	}
@@ -87,10 +89,25 @@ func runAndWatch(flags cli.Flags) error {
 		}
 
 	}
-	// here(below), we don't return the error because the -help command doesn't help the user for these errors.
+
+	subfiles, err := ioutil.ReadDir(workingDir)
+	if err != nil {
+		printer.Dangerf(err.Error())
+		return err
+	}
+	var paths []string
+	paths = append(paths, workingDir)
+	for _, subfile := range subfiles {
+		if subfile.IsDir() {
+			if abspath, err := filepath.Abs(workingDir + utils.PathSeparator + subfile.Name()); err == nil {
+				paths = append(paths, abspath)
+			}
+
+		}
+	}
 
 	// run the file watcher before all, because the user maybe has a go syntax error before the first run
-	utils.WatchDirectoryChanges(workingDir, func(fname string) {
+	utils.WatchDirectoryChanges(paths, func(fname string) {
 		//remove the working dir from the fname path, printer should only print the relative changed file ( from the project's path)
 		fname = fname[len(workingDir)+1:]
 
@@ -101,14 +118,17 @@ func runAndWatch(flags cli.Flags) error {
 	}, printer)
 
 	if err := build(programPath); err != nil {
+		printer.Dangerf(err.Error())
 		return err
 	}
 
 	runCmd, err := run(executablePath, true)
+
 	if err != nil {
+		printer.Dangerf(err.Error())
 		return err
 	}
-
+	// here(below), we don't return the error because the -help command doesn't help the user for these errors.
 	defer func() {
 		printer.Dangerf("")
 		printer.Panic(errUnexpected)

utils/file.go

@@ -340,7 +340,7 @@ func GetParentDir(targetDirectory string) string {
 */
 
 // WatchDirectoryChanges watches a directory and fires the callback with the changed name, receives a logger just to print with red letters any errors, no need for second callback.
-func WatchDirectoryChanges(rootPath string, evt func(filename string), logger *logger.Logger) {
+func WatchDirectoryChanges(paths []string, evt func(filename string), logger *logger.Logger) {
 	isWindows := runtime.GOOS == "windows"
 	watcher, werr := fsnotify.NewWatcher()
 	if werr != nil {
@@ -357,7 +357,7 @@ func WatchDirectoryChanges(rootPath string, evt func(filename string), logger *l
 				if event.Op&fsnotify.Write == fsnotify.Write {
 					//this is received two times, the last time is the real changed file, so
 					i++
-					if i%2 == 0 || !isWindows { // this 'hack' works for windows but I dont know if works for linux too, we can wait for issue reports here.
+					if i%2 == 0 || !isWindows { // this 'hack' works for windows & linux but I dont know if works for osx too, we can wait for issue reports here.
 						if time.Now().After(lastChange.Add(time.Duration(1) * time.Second)) {
 							lastChange = time.Now()
 							evt(event.Name)
@@ -370,11 +370,10 @@ func WatchDirectoryChanges(rootPath string, evt func(filename string), logger *l
 			}
 		}
 	}()
-
-	werr = watcher.Add(rootPath)
-	if werr != nil {
+	for _, p := range paths {
+		if werr = watcher.Add(p); werr != nil {
 			logger.Dangerf(werr.Error())
-
+		}
 	}
 
 }