repo: renamed directories to more descriptive identifiers and made them safer to use in case of bare repositories

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/git/utils.py b/lib/git/utils.py
index 5deed556..433f96d5 100644
--- a/lib/git/utils.py
+++ b/lib/git/utils.py
@@ -362,3 +362,18 @@ class Iterable(object):
 		"""
 		raise NotImplementedError("To be implemented by Subclass")
 		
+def needs_working_tree(func):
+	"""
+	Decorator assuring the wrapped method may only run if the repository has a
+	working tree, hence it is not bare.
+	"""
+	def check_default_index(self, *args, **kwargs):
+		if self.repo.working_tree_dir is None:
+			raise AssertionError( "Cannot call %r bare git repositories" % func.__name__ )
+		return func(self, *args, **kwargs)
+	# END wrpaper method
+	
+	check_default_index.__name__ = func.__name__
+	return check_default_index
+
+