Merge pull request #25 from silenceper/f-support-external-cmd

support prev build cmds

README.md

@@ -83,6 +83,10 @@ build_pkg: ""
 # build tags
 build_tags: ""
 
+# Commands that can be executed before build the app	
+#prev_build_cmds:	
+#  - swag init
+
 # Whether to prohibit automatic operation
 disable_run: false
 

README_ZH_CN.md

@@ -67,6 +67,10 @@ build_pkg: ""
 # build tags
 build_tags: ""
 
+#在build app执行的命令 ，例如 swag init	
+#prev_build_cmds:	
+#  - swag init
+
 # 是否禁止自动运行
 disable_run: false
 

config.go

@@ -19,6 +19,8 @@ type config struct {
 	WatchExts []string `yaml:"watch_exts"`
 	//需要追加监听的目录，默认是当前文件夹，
 	WatchPaths []string `yaml:"watch_paths"`
+	//build前额外执行的命令
+	PrevBuildCmds []string `yaml:"prev_build_cmds"`
 	//执行时的额外参数
 	CmdArgs []string `yaml:"cmd_args"`
 	//构建时的额外参数

gowatch.go

@@ -115,6 +115,20 @@ func Autobuild(files []string) {
 		return
 	}
 
+	for _, prevCmd := range cfg.PrevBuildCmds {
+		log.Infof("Run external cmd '%s'", prevCmd)
+		cmdArr := strings.Split(prevCmd, " ")
+		prevCmdExec := exec.Command(cmdArr[0])
+		prevCmdExec.Env = append(os.Environ(), cfg.Envs...)
+		prevCmdExec.Args = cmdArr
+		prevCmdExec.Stdout = os.Stdout
+		prevCmdExec.Stderr = os.Stderr
+		err := prevCmdExec.Run()
+		if err != nil {
+			panic(err)
+		}
+	}
+
 	cmdName := "go"
 
 	var err error