Unexpected input(s) 'ref', valid inputs are ['add', 'author_name', 'author_email', 'commit', 'committer_name', 'committer_email', 'cwd', 'default_author', 'fetch', 'message', 'new_branch', 'pathspec_error_handling', 'pull', 'push', 'remove', 'tag', 'tag_push', 'github_token']