errors

var (
	// ErrReleaseNotFound indicates that a release is not found.
	ErrReleaseNotFound = func(release string) error { return fmt.Errorf("release: %q not found", release) }
	// ErrReleaseExists indicates that a release already exists.
	ErrReleaseExists = func(release string) error { return fmt.Errorf("release: %q already exists", release) }
	// ErrInvalidKey indicates that a release key could not be parsed.
	ErrInvalidKey = func(release string) error { return fmt.Errorf("release: %q invalid key", release) }
)