Make use of CheckCallAndFilter42 for gclient's git fetch.

gclient_scm.py

Index: gclient_scm.py
diff --git a/gclient_scm.py b/gclient_scm.py
index 07ca6b8f571518b0f860468d24a5650a99c1d0eb..2f3a3a5b279696cb64a4761b9082b2f8e84ca102 100644
--- a/gclient_scm.py
+++ b/gclient_scm.py
@@ -22,6 +22,7 @@ import git_cache
 import scm
 import shutil
 import subprocess2
+import subprocess42
 
 
 THIS_FILE_PATH = os.path.abspath(__file__)
@@ -826,7 +827,8 @@ class GitWrapper(SCMWrapper):
             if scm.GIT.Capture(['config', '--get', 'svn-remote.svn.fetch'],
                              cwd=self.checkout_path):
               self._Fetch(options)
-          except subprocess2.CalledProcessError:
+          except (subprocess2.CalledProcessError,
+                  subprocess42.CalledProcessError):
             logging.debug('git config --get svn-remote.svn.fetch failed, '
                           'ignoring possible optimization.')
           if options.verbose:
@@ -1213,7 +1215,7 @@ class GitWrapper(SCMWrapper):
     elif quiet:
       fetch_cmd.append('--quiet')
     self._Run(fetch_cmd, options, show_header=options.verbose, retry=True,
-              kill_timeout=kill_timeout)
+              kill_timeout=kill_timeout, use_v42=True)
 
     # Return the revision that was fetched; this will be stored in 'FETCH_HEAD'
     return self._Capture(['rev-parse', '--verify', 'FETCH_HEAD'])
@@ -1248,7 +1250,10 @@ class GitWrapper(SCMWrapper):
     if show_header:
       gclient_utils.CheckCallAndFilterAndHeader(cmd, env=env, **kwargs)
     else:
-      gclient_utils.CheckCallAndFilter(cmd, env=env, **kwargs)
+      if kwargs.pop('use_v42', False):
+        gclient_utils.CheckCallAndFilter42(cmd, env=env, **kwargs)
+      else:
+        gclient_utils.CheckCallAndFilter(cmd, env=env, **kwargs)
 
 
 class SVNWrapper(SCMWrapper):