Allow different source folder when serving

build.go

@@ -35,7 +35,11 @@ func buildAction(ctx *cli.Context) error {
 
 		esBuildCfg.Plugins = append(esBuildCfg.Plugins, contentSwapPlugin(o))
 
-		api.Build(esBuildCfg)
+		result := api.Build(esBuildCfg)
+		if len(result.Errors) > 0 {
+			os.Exit(1)
+		}
+
 		replace(o)
 
 		if ctx.Bool("p") && o.ProductionBuildOptions.CmdPostBuild != "" {

main.go

@@ -26,7 +26,7 @@ func main() {
 	app := &cli.App{
 		Name:    "gowebbuild",
 		Usage:   "All in one tool to build web frontend projects.",
-		Version: "7.3.0",
+		Version: "7.5.0",
 		Authors: []*cli.Author{{
 			Name: "trading-peter (https://github.com/trading-peter)",
 		}},
@@ -85,8 +85,11 @@ $ gowebbuild replace *.go foo bar
 				Flags: []cli.Flag{
 					cfgParam,
 					&cli.UintFlag{
-						Name:  "lr-port",
+						Name: "lr-port",
-						Value: uint(lrserver.DefaultPort),
+						Value: (func() uint {
+							port := findFreePort(int(lrserver.DefaultPort), int(lrserver.DefaultPort)+100)
+							return uint(port)
+						}()),
 						Usage: "port for the live reload server",
 					},
 				},
@@ -102,6 +105,11 @@ $ gowebbuild replace *.go foo bar
 						Value: "./",
 						Usage: "folder to serve",
 					},
+					&cli.StringFlag{
+						Name:  "src",
+						Value: "./",
+						Usage: "folder to watch for changes and trigger live reload",
+					},
 					&cli.UintFlag{
 						Name:  "port",
 						Value: uint(8080),
@@ -116,6 +124,7 @@ $ gowebbuild replace *.go foo bar
 				Action: func(ctx *cli.Context) error {
 					port := ctx.Uint("port")
 					root := ctx.String("root")
+					src := ctx.String("src")
 					lrPort := ctx.Uint("lr-port")
 
 					if lrPort != 0 {
@@ -124,7 +133,7 @@ $ gowebbuild replace *.go foo bar
 							w.SetMaxEvents(1)
 							w.FilterOps(watcher.Write, watcher.Rename, watcher.Move, watcher.Create, watcher.Remove)
 
-							if err := w.AddRecursive(root); err != nil {
+							if err := w.AddRecursive(src); err != nil {
 								fmt.Println(err.Error())
 								os.Exit(1)
 							}