Method resetWorktree

worktree.go:446–485

(t *object.Tree, files []string)

}

func (w *Worktree) resetWorktree(t *object.Tree, files []string) error {
	changes, err := w.diffStagingWithWorktree(true, false)
	if err != nil {
		return err
	}

	idx, err := w.r.Storer.Index()
	if err != nil {
		return err
	}
	b := newIndexBuilder(idx)

	filesMap := buildFilePathMap(files)
	for _, ch := range changes {
		if len(files) > 0 {
			file := ""
			if ch.From != nil {
				file = ch.From.String()
			} else if ch.To != nil {
				file = ch.To.String()
			}

			if file == "" {
				continue
			}

			contains := inFiles(filesMap, file)
			if !contains {
				continue
			}
		}

		if err := w.checkoutChange(ch, t, b); err != nil {
			return err
		}
	}

	b.Write(idx)
	return w.r.Storer.SetIndex(idx)
}

func (w *Worktree) checkoutChange(ch merkletrie.Change, t *object.Tree, idx *indexBuilder) error {
	a, err := ch.Action()