Add option go install

bee.json

@@ -1,4 +1,5 @@
 {
+	"go_install": false,
 	"dir_structure":{
 		"controllers": "",
 		"models": ""

run.go

@@ -36,6 +36,8 @@ func init() {
 
 var appname string
 var conf struct {
+	// Indicates whether execute "go install" before "go build".
+	GoInstall bool `json:"go_install"`
 	DirStruct struct {
 		Controllers string
 		Models      string
@@ -71,6 +73,7 @@ func runApp(cmd *Command, args []string) {
 
 // loadConfig loads customized configuration.
 func loadConfig() error {
+	fmt.Println("[INFO] Detect bee.json")
 	f, err := os.Open("bee.json")
 	if err != nil {
 		// Use default.

watch.go

@@ -72,10 +72,23 @@ func Autobuild() {
 	fmt.Println("[INFO] Start building...")
 	path, _ := os.Getwd()
 	os.Chdir(path)
-	bcmd := exec.Command("go", "build")
-	bcmd.Stdout = os.Stdout
-	bcmd.Stderr = os.Stderr
-	err := bcmd.Run()
+
+	var err error
+	// For applications use full import path like "github.com/.../.."
+	// are able to use "go install" to reduce build time.
+	if conf.GoInstall {
+		icmd := exec.Command("go", "install")
+		icmd.Stdout = os.Stdout
+		icmd.Stderr = os.Stderr
+		err = icmd.Run()
+	}
+
+	if err == nil {
+		bcmd := exec.Command("go", "build")
+		bcmd.Stdout = os.Stdout
+		bcmd.Stderr = os.Stderr
+		err = bcmd.Run()
+	}
 
 	if err != nil {
 		fmt.Println("[ERRO] ============== Build failed ===================")