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-rw-r--r--lib/git/utils.py15
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
+
+