View difference between Paste ID: RrjSemLE and 7bj09N0z

 package main
 
 import (
 	"flag"
 	"fmt"
 	"log"
 	"os"
 	"os/exec"
 	"strconv"
 	"sync"
 	"time"
 )
 
 type Color string
 
 const (
 	Version = "0.1"
 
 	ColorGreen  = "2"
 	ColorYellow = "3"
 	ColorGray   = "7"
 )
 
 var (
 	roIndex int
 )
 
 func printLog(color Color, args ...interface{}) {
 	format := []interface{}{"- \x1b[3" + color + "m[godemon]"}
 	format = append(format, args...)
 	format = append(format, "\x1b[0m")
 	log.Println(format...)
 }
 
 func startGo(file string, args []string, gwg *sync.WaitGroup, kill *chan bool) {
 	params := []string{"run", file}
 	params = append(params, args...)
 	params = append(params, strconv.Itoa(roIndex))
 	roIndex += 1
 
 	printLog(ColorGreen, "starting `"+file+"`")
 
 	cmd := exec.Command("go", params...)
 	cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr
 	cmd.Start()
 
 	var wg sync.WaitGroup
 	wg.Add(1)
 
 	go func() {
 		<-*kill
-		//cmd.Process.Kill()
+		cmd.Process.Kill()    // - убийство
-		cmd.Process.Signal(os.Kill)
+
 	}()
 
 	cmd.Wait()
 	close(*kill)
 	wg.Wait()
 
 	printLog(ColorGreen, "clean exit - waiting for changes before restart")
 
 	gwg.Done()
 }
 
 func init() {
 	flag.Parse()
 	log.SetPrefix("\x1b[3" + ColorGray + "m")
 }
 
 func main() {
 	pattern := *flag.String("w", "**/*.*", "watching glob pattern")
 
 	if len(flag.Args()) == 0 {
 		fmt.Println("Usage: godemon gofile [args]\n\n" +
 			"See \"godemon --help\" for more.")
 		os.Exit(0)
 	}
 
 	printLog(ColorYellow, "v"+Version)
 	printLog(ColorYellow, "watching:", pattern)
 
 	file := flag.Arg(0) + ".go"
 	args := flag.Args()[1:]
 
 	for {
 		var wg sync.WaitGroup
 		kill := make(chan bool)
 
 		wg.Add(1)
 		go startGo(file, args, &wg, &kill)
 		time.Sleep(time.Second)
 		kill <- true
 		wg.Wait()
 	}
 }