Non-destructive editing of git cache config.

git_cache.py

Index: git_cache.py
diff --git a/git_cache.py b/git_cache.py
index 7ebe5800f796da77f12cd37077a1d27d77e5df0c..50d696242ac1ce341047e7efe40d3cc29ed48eba 100755
--- a/git_cache.py
+++ b/git_cache.py
@@ -243,14 +243,18 @@ class Mirror(object):
 
     self.RunGit(['config', 'remote.origin.url', self.url], cwd=cwd)
     self.RunGit(['config', '--replace-all', 'remote.origin.fetch',
-                 '+refs/heads/*:refs/heads/*'], cwd=cwd)
+                 '+refs/heads/*:refs/heads/*', '\\+refs/heads/\\*:.*'], cwd=cwd)

[iannucci, 2014/08/19 20:58:55]

let's use r"raw strings" to avoid the backslash-madness

[szager1, 2014/08/19 21:15:48]

Done.

     for ref in self.refs:
       ref = ref.lstrip('+').rstrip('/')
       if ref.startswith('refs/'):
         refspec = '+%s:%s' % (ref, ref)
+        regex = '\\+%s:.*' % ref.replace('*', '\\*')
       else:
         refspec = '+refs/%s/*:refs/%s/*' % (ref, ref)
-      self.RunGit(['config', '--add', 'remote.origin.fetch', refspec], cwd=cwd)
+        regex = '\\+refs/heads/%s:.*' % ref.replace('*', '\\*')
+      self.RunGit(
+          ['config', '--replace-all', 'remote.origin.fetch', refspec, regex],
+          cwd=cwd)
 
   def bootstrap_repo(self, directory):
     """Bootstrap the repo from Google Stroage if possible.