now bee run can specify main files

run.go

@@ -23,7 +23,7 @@ import (
 )
 
 var cmdRun = &Command{
-	UsageLine: "run [appname] [watchall]",
+	UsageLine: "run [appname] [watchall] [-main=*.go]",
 	Short:     "run the app which can hot compile",
 	Long: `
 start the appname throw exec.Command
@@ -44,8 +44,11 @@ when the file has changed bee will auto go build and restart the app
 `,
 }
 
+var mainFiles ListOpts
+
 func init() {
 	cmdRun.Run = runApp
+	cmdRun.Flag.Var(&mainFiles, "main", "specify main go files")
 }
 
 var appname string
@@ -89,8 +92,15 @@ func runApp(cmd *Command, args []string) {
 		paths = append(paths, strings.Replace(p, "$GOPATH", gopath, -1))
 	}
 
-	NewWatcher(paths)
+	files := []string{}
-	Autobuild()
+	for _, arg := range mainFiles {
+		if len(arg) > 0 {
+			files = append(files, arg)
+		}
+	}
+
+	NewWatcher(paths, files)
+	Autobuild(files)
 	for {
 		select {
 		case <-exit:

test.go

@@ -71,9 +71,9 @@ func testApp(cmd *Command, args []string) {
 	// and ignore non-go files.
 	paths = append(paths, conf.DirStruct.Others...)
 
-	NewWatcher(paths)
+	NewWatcher(paths, nil)
 	appname = args[0]
-	Autobuild()
+	Autobuild(nil)
 	for {
 		select {
 		case <-started:

watch.go

@@ -34,7 +34,7 @@ var (
 	buildPeriod time.Time
 )
 
-func NewWatcher(paths []string) {
+func NewWatcher(paths []string, files []string) {
 	watcher, err := fsnotify.NewWatcher()
 	if err != nil {
 		ColorLog("[ERRO] Fail to create new Watcher[ %s ]\n", err)
@@ -71,7 +71,7 @@ func NewWatcher(paths []string) {
 
 				if isbuild {
 					ColorLog("[EVEN] %s\n", e)
-					go Autobuild()
+					go Autobuild(files)
 				}
 			case err := <-watcher.Error:
 				ColorLog("[WARN] %s\n", err.Error()) // No need to exit here
@@ -110,7 +110,7 @@ func getFileModTime(path string) int64 {
 	return fi.ModTime().Unix()
 }
 
-func Autobuild() {
+func Autobuild(files []string) {
 	state.Lock()
 	defer state.Unlock()
 
@@ -154,7 +154,11 @@ func Autobuild() {
 			appName += ".exe"
 		}
 
-		bcmd := exec.Command(cmdName, "build")
+		args := []string{"build"}
+		args = append(args, "-o", appName)
+		args = append(args, files...)
+
+		bcmd := exec.Command(cmdName, args...)
 		bcmd.Stdout = os.Stdout
 		bcmd.Stderr = os.Stderr
 		err = bcmd.Run()