Method Checkout

worktree.go:164–202

Checkout switch branches or restore working tree files.

(opts *CheckoutOptions)

// Checkout switch branches or restore working tree files.
func (w *Worktree) Checkout(opts *CheckoutOptions) error {
	if err := opts.Validate(); err != nil {
		return err
	}

	if opts.Create {
		if err := w.createBranch(opts); err != nil {
			return err
		}
	}

	c, err := w.getCommitFromCheckoutOptions(opts)
	if err != nil {
		return err
	}

	ro := &ResetOptions{Commit: c, Mode: MergeReset}
	if opts.Force {
		ro.Mode = HardReset
	} else if opts.Keep {
		ro.Mode = SoftReset
	}

	if !opts.Hash.IsZero() && !opts.Create {
		err = w.setHEADToCommit(opts.Hash)
	} else {
		err = w.setHEADToBranch(opts.Branch, c)
	}

	if err != nil {
		return err
	}

	if len(opts.SparseCheckoutDirectories) > 0 {
		return w.ResetSparsely(ro, opts.SparseCheckoutDirectories)
	}

	return w.Reset(ro)
}

func (w *Worktree) createBranch(opts *CheckoutOptions) error {
	if err := opts.Branch.Validate(); err != nil {