add in deltaBaseCacheLimit workaround

R=maruel@chromium.org
BUG=


Review URL: https://chromiumcodereview.appspot.com/13532013

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@192358 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/fetch.py b/fetch.py
index 71e6219..80dcce9 100755
--- a/fetch.py
+++ b/fetch.py
@@ -110,6 +110,9 @@
         print 'Please run `svn ls %s`' % svn_spec['svn_url']
         return 1
 
+    # TODO(dpranke): Work around issues w/ delta compression on big repos.
+    self.run_git('config', '--global', 'core.deltaBaseCacheLimit', '1G')
+
     # Configure and do the gclient checkout.
     self.run_gclient('config', '--spec', self.spec['gclient_spec'])
     self.run_gclient('sync')