go语言版本autodeploy中间件，比较适用于windows服务器直接在php中调用git不灵，本程序自动寻找git执行文件路径，执行git pull，并通过http方式返回结果，带有简单的身份验证

autodeploy.go

// gitpull project main.go
package main

import (
	"fmt"
	"io"
	"net/http"
	"os"
	"os/exec"
	"path/filepath"
	"time"
)

func gitPull(o *http.ResponseWriter) bool {
	git, err := exec.LookPath("git")
	if err != nil {
		fmt.Fprint(*o, "git not found!"+err.Error())
		return false
	}

	this, err := exec.LookPath(os.Args[0])
	if err != nil {
		fmt.Fprint(*o, "get excutable path error!"+err.Error())
		return false
	}

	err = os.Chdir(filepath.Dir(this))
	if err != nil {
		fmt.Fprint(*o, "chdir error!"+err.Error())
		return false
	}

	cmd := exec.Command(git, "pull")
	if os.Getenv("HOME") == "" && os.Getenv("HOMEDIRVE") != "" && os.Getenv("HOMEPATH") != "" {
		cmd.Env = []string{"HOME=" + os.Getenv("HOMEDIRVE") + os.Getenv("HOMEPATH")}
	}
	stdout, err := cmd.StdoutPipe()
	if err != nil {
		fmt.Fprint(*o, err)
	}
	stderr, err := cmd.StderrPipe()
	if err != nil {
		fmt.Fprint(*o, err)
	}
	err = cmd.Start()
	if err != nil {
		fmt.Fprint(*o, "run git error!"+err.Error())
		return false
	}
	go io.Copy(*o, stdout)
	go io.Copy(*o, stderr)
	cmd.Wait()

	fmt.Println("Finish autodeploy at " + time.Now().Format("2006-01-02 15:04:05"))
	return true
}

func main() {
	http.HandleFunc("/", entry)
	http.ListenAndServe(":8124", nil)
}

func entry(w http.ResponseWriter, r *http.Request) {
	if r.Header.Get("Authorization") == "" {
		w.Header().Set("WWW-Authenticate", "Basic realm=\"My Realm\"")
		http.Error(w, "Restrict area", http.StatusUnauthorized)
	} else if r.Header.Get("Authorization") == "Basic aG9yc2xleTpnaXQtcHVsbA==" { //horsley:git-pull
		gitPull(&w)
	}
}