package main import ( "fmt" "os" "gopkg.in/src-d/go-git.v4" . "gopkg.in/src-d/go-git.v4/_examples" "gopkg.in/src-d/go-git.v4/plumbing" ) // Basic example of how to checkout a specific commit. func main() { CheckArgs("", "", "") url, directory, commit := os.Args[1], os.Args[2], os.Args[3] // Clone the given repository to the given directory Info("git clone %s %s", url, directory) r, err := git.PlainClone(directory, false, &git.CloneOptions{ URL: url, }) CheckIfError(err) // ... retrieving the commit being pointed by HEAD Info("git show-ref --head HEAD") ref, err := r.Head() CheckIfError(err) fmt.Println(ref.Hash()) w, err := r.Worktree() CheckIfError(err) // ... checking out to commit Info("git checkout %s", commit) err = w.Checkout(&git.CheckoutOptions{ Hash: plumbing.NewHash(commit), }) CheckIfError(err) // ... retrieving the commit being pointed by HEAD, it shows that the // repository is pointing to the giving commit in detached mode Info("git show-ref --head HEAD") ref, err = r.Head() CheckIfError(err) fmt.Println(ref.Hash()) }