Unpoison gclient checkouts by setting recurseSubmodules=false

gclient_scm.py

Index: gclient_scm.py
diff --git a/gclient_scm.py b/gclient_scm.py
index 9facab6d96528c513585115cd8b93f8a5f06f147..86a79c44a0c252c30f60d26eb7485f5d4f1b12c0 100644
--- a/gclient_scm.py
+++ b/gclient_scm.py
@@ -202,6 +202,7 @@ class GitWrapper(SCMWrapper):
     cmd = ['git', 'submodule', '--quiet', 'foreach', ' '.join(submod_cmd)]
     cmd2 = ['git', 'config', 'diff.ignoreSubmodules', 'all']
     cmd3 = ['git', 'config', 'branch.autosetupmerge']
+    cmd4 = ['git', 'config', 'fetch.recurseSubmodules', 'false']
     kwargs = {'cwd': self.checkout_path,
               'print_stdout': False,
               'filter_fn': lambda x: None}
@@ -217,6 +218,8 @@ class GitWrapper(SCMWrapper):
     except subprocess2.CalledProcessError:
       gclient_utils.CheckCallAndFilter(cmd3 + ['always'], **kwargs)
 
+    gclient_utils.CheckCallAndFilter(cmd4, **kwargs)
+
   def update(self, options, args, file_list):
     """Runs git to update or transparently checkout the working copy.