Merge pull request #10 from Luzifer/dircheck

Added a check for file is directory

main.go

@@ -164,6 +164,12 @@ func main() {
 	createBuildDir()
 
 	// If dir is given create update for each file
+	fi, err := os.Stat(appPath)
+	if err != nil {
+		panic(err)
+	}
+
+	if fi.IsDir() {
 		files, err := ioutil.ReadDir(appPath)
 		if err == nil {
 			for _, file := range files {
@@ -171,6 +177,7 @@ func main() {
 			}
 			os.Exit(0)
 		}
+	}
 
 	createUpdate(appPath, platform)
 }