commit

var (
	// ErrStaleHead is returned when an action's LastCommitID no longer matches
	// the last-commit-id GitLab holds for that path: a concurrent write.
	ErrStaleHead = errors.New("stale head")

	// ErrInvalidAction is returned when GitLab rejects an action — e.g. `create`
	// on an existing path, `update`/`delete` on a missing path.
	ErrInvalidAction = errors.New("invalid action")

	// ErrNoChange is returned when GitLab reports the actions would not change
	// the branch — see commit, which resolves it to the branch head.
	ErrNoChange = errors.New("no change")
)