diff options
| -rw-r--r-- | git/index/base.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/git/index/base.py b/git/index/base.py index 6738e223..149edf5a 100644 --- a/git/index/base.py +++ b/git/index/base.py @@ -1271,10 +1271,10 @@ class IndexFile(LazyMixin, git_diff.Diffable, Serializable): return self - @ default_index + # @ default_index, breaks typing for some reason, copied into function def diff(self, other: Union[git_diff.Diffable.Index, 'IndexFile.Index', Treeish, None, object] = git_diff.Diffable.Index, - paths: Union[str, List[PathLike], Tuple[PathLike, ...], None] = None, + paths: Union[PathLike, List[PathLike], Tuple[PathLike, ...], None] = None, create_patch: bool = False, **kwargs: Any ) -> git_diff.DiffIndex: """Diff this index against the working copy or a Tree or Commit object @@ -1286,6 +1286,11 @@ class IndexFile(LazyMixin, git_diff.Diffable, Serializable): Will only work with indices that represent the default git index as they have not been initialized with a stream. """ + + # only run if we are the default repository index + if self._file_path != self._index_path(): + raise AssertionError( + "Cannot call %r on indices that do not represent the default git index" % self.diff()) # index against index is always empty if other is self.Index: return git_diff.DiffIndex() |