git/git.go
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package git import ( "fmt" "github.com/go-git/go-git/v5" "github.com/go-git/go-git/v5/plumbing" "github.com/go-git/go-git/v5/plumbing/object" ) func AllCommits(r *git.Repository) ([]*object.Commit, error) { ci, err := r.Log(&git.LogOptions{All: true}) if err != nil { return nil, fmt.Errorf("all commits: %w", err) } commits := []*object.Commit{} ci.ForEach(func(c *object.Commit) error { commits = append(commits, c) return nil }) return commits, nil } // A nicer git tree representation. type NiceTree struct { Name string Mode string Size int64 IsFile bool } func FilesAtHead(r *git.Repository, path string) ([]NiceTree, error) { head, err := r.Head() if err != nil { return nil, fmt.Errorf("getting head: %w", err) } return FilesAtRef(r, head, path) } func FilesAtRef(r *git.Repository, ref *plumbing.Reference, path string) ([]NiceTree, error) { c, err := r.CommitObject(ref.Hash()) if err != nil { return nil, fmt.Errorf("commit object: %w", err) } files := []NiceTree{} tree, err := c.Tree() if err != nil { return nil, fmt.Errorf("file tree: %w", err) } if path == "" { files = makeNiceTree(tree.Entries) } else { o, err := tree.FindEntry(path) if err != nil { return nil, err } if !o.Mode.IsFile() { subtree, err := tree.Tree(path) if err != nil { return nil, err } files = makeNiceTree(subtree.Entries) } } return files, nil } func makeNiceTree(es []object.TreeEntry) []NiceTree { nts := []NiceTree{} for _, e := range es { mode, _ := e.Mode.ToOSFileMode() nts = append(nts, NiceTree{ Name: e.Name, Mode: mode.String(), IsFile: e.Mode.IsFile(), }) } return nts }