go-git example

go-git.go

package main

import (
	"github.com/go-git/go-git/v5"
	"github.com/go-git/go-git/v5/plumbing/object"
	"io/ioutil"
	"path/filepath"
	"time"
)

func main() {
	repoDir := "/tmp/foo"
	repo, err := git.PlainOpen(repoDir)
	if err == git.ErrRepositoryNotExists {
		repo, err = git.PlainInit(repoDir, false)
	}
	if err != nil {
		panic(err)
	}

	file := filepath.Join(repoDir, "hello.txt")
	data := time.Now().Format(time.RFC1123)
	err = ioutil.WriteFile(file, []byte(data), 0640)
	if err != nil {
		panic(err)
	}

	commitOpts := git.CommitOptions{
		Author: &object.Signature{
			Name:  "Automat",
			Email: "automat@example.com",
			When:  time.Now(),
		},
	}

	tree, err := repo.Worktree()
	_, err = tree.Add("hello.txt")
	if err != nil {
		panic(err)
	}
	_, err = tree.Commit("new commit message", &commitOpts)
	if err != nil {
		panic(err)
	}
}