main.go

package main

import (
	"encoding/json"
	"fmt"
	"log"
	"net/http"
	"os"
	"os/exec"
)

type HookConfig struct {
	PathRepo string `json:"path_repo"`
	Port     string `json:"port"`
	HookCmd  string `json:"hook_cmd"`
}

// 绝对路径
var pathRepo string

var port string = "5555"

func main() {
	parseConfig()
	http.HandleFunc("/payload", handlePayload)
	fmt.Println("Listening on http://localhost:" + port)
	err := http.ListenAndServe(":"+port, nil)
	if err != nil {
		log.Fatal(err)
	}
}

func parseConfig() {
	file, err := os.Open("hook_config.json")
	if err != nil {
		log.Fatal(err)
	}
	defer file.Close()
	decoder := json.NewDecoder(file)
	conf := HookConfig{}
	error := decoder.Decode(&conf)
	if error != nil {
		log.Fatal(error)
	}
	pathRepo = conf.PathRepo
	port = conf.Port
}

func handlePayload(writer http.ResponseWriter, request *http.Request) {
	var event = request.Header.Get("X-Github-Event")
	switch event {
	case "push":
		exec.Command("cd", pathRepo)
		exec.Command("git", "pull")
		fmt.Println("git pull done!")
	}
}