Fix the 'files' initialisation in git.checkout()

The 'files' variable should have been initialised to an empty list, not
None. Thanks to Kai Ruemmler for spotting it.

Signed-off-by: Catalin Marinas <catalin.marinas@gmail.com>

diff --git a/stgit/git.py b/stgit/git.py
index 413604c..b6e47c3 100644 (file)
--- a/stgit/git.py
+++ b/stgit/git.py
@@ -569,7 +569,7 @@ def checkout(files = None, tree_id = None, force = False):
     """Check out the given or all files
     """
     if not files:
-        files = None
+        files = []
 
     if tree_id and __run('git-read-tree -m', [tree_id]) != 0:
         raise GitException, 'Failed git-read-tree -m %s' % tree_id