package main import ( "fmt" "os" "strings" "gopkg.in/src-d/go-git.v4" "gopkg.in/src-d/go-git.v4/plumbing/object" . "gopkg.in/src-d/go-git.v4/_examples" ) // Example of an specific use case: // - Clone a repository in a specific path // - Get the HEAD reference // - Using the HEAD reference, obtain the commit this reference is pointing to // - Print the commit content // - Using the commit, iterate all its files and print them // - Print all the commit history with commit messages, short hash and the // first line of the commit message func main() { CheckArgs(" ") url := os.Args[1] path := os.Args[2] // Clone the given repository, creating the remote, the local branches // and fetching the objects, exactly as: Info("git clone %s %s", url, path) r, err := git.PlainClone(path, false, &git.CloneOptions{URL: url}) CheckIfError(err) // Getting the latest commit on the current branch Info("git log -1") // ... retrieving the branch being pointed by HEAD ref, err := r.Head() CheckIfError(err) // ... retrieving the commit object commit, err := r.Commit(ref.Hash()) CheckIfError(err) fmt.Println(commit) // List the tree from HEAD Info("git ls-tree -r HEAD") // ... retrieve the tree from the commit tree, err := commit.Tree() CheckIfError(err) // ... get the files iterator and print the file tree.Files().ForEach(func(f *object.File) error { fmt.Printf("100644 blob %s %s\n", f.Hash, f.Name) return nil }) // List the history of the repository Info("git log --oneline") commits, err := commit.History() CheckIfError(err) for _, c := range commits { hash := c.Hash.String() line := strings.Split(c.Message, "\n") fmt.Println(hash[:7], line[0]) } }