start.go

package main

import (
	"fmt"
	"os"
	"path"
)

var cmdStart = &Command{
	UsageLine: "start [appname]",
	Short:     "start the app which can hot compile",
	Long: `
start the appname throw exec.Command

then start a inotify watch for current dir
										
when the file has changed bee will auto go build and restart the app

	file changed
	     |
  checked is go file
	     |
     yes     no
      |       |
 go build    do nothing
     |
 restart app   
`,
}

func init() {
	cmdStart.Run = startapp
}

func startapp(cmd *Command, args []string) {
	if len(args) != 1 {
		fmt.Println("error args")
		os.Exit(2)
	}
	crupath, _ := os.Getwd()
	var paths []string
	paths = append(paths, path.Join(crupath, "controllers"), path.Join(crupath, "models"))
	NewWatcher(paths)
	go Start(args[0])
	for {
		select {
		case <-restart:
			go Start(args[0])
		case <-builderror:
			fmt.Println("build error:", builderror)
		}
	}
}