GitRepository.diff: prevent usage of external diff

External diff might break patch generation, for example.

Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>

diff --git a/gbp/git/repository.py b/gbp/git/repository.py
index 2e8d77964433eef74201eb4906d5fe096a6e0b05..e2f243ba4815ef704208d93bd313b9d0f75f602a 100644 (file)
--- a/gbp/git/repository.py
+++ b/gbp/git/repository.py
@@ -1538,7 +1538,7 @@ class GitRepository(object):
         @return: diff
         @rtype: C{str}
         """
-        options = GitArgs('-p')
+        options = GitArgs('-p', '--no-ext-diff')
         if stat is True:
             options.add('--stat')
         elif stat: