Revert 143898 - Skip updating remotes if we already have the upstream revision.

TBR=maruel@chromium.org

BUG=none
TEST=none


Review URL: https://chromiumcodereview.appspot.com/10663019

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@143911 0039d316-1c4b-4281-b951-d872f2087c98

gclient_scm.py

@@ -353,28 +353,27 @@ class GitWrapper(SCMWrapper):
       else:
         raise gclient_utils.Error('Invalid Upstream: %s' % upstream_branch)
 
-    if not scm.GIT.IsValidRevision(cwd=self.checkout_path, rev=revision):
-      # Update the remotes first so we have all the refs.
-      backoff_time = 5
-      for _ in range(10):
-        try:
-          remote_output = scm.GIT.Capture(
-              ['remote'] + verbose + ['update'],
-              cwd=self.checkout_path)
-          break
-        except subprocess2.CalledProcessError, e:
-          # Hackish but at that point, git is known to work so just checking for
-          # 502 in stderr should be fine.
-          if '502' in e.stderr:
-            print(str(e))
-            print('Sleeping %.1f seconds and retrying...' % backoff_time)
-            time.sleep(backoff_time)
-            backoff_time *= 1.3
-            continue
-          raise
+    # Update the remotes first so we have all the refs.
+    backoff_time = 5
+    for _ in range(10):
+      try:
+        remote_output = scm.GIT.Capture(
+            ['remote'] + verbose + ['update'],
+            cwd=self.checkout_path)
+        break
+      except subprocess2.CalledProcessError, e:
+        # Hackish but at that point, git is known to work so just checking for
+        # 502 in stderr should be fine.
+        if '502' in e.stderr:
+          print(str(e))
+          print('Sleeping %.1f seconds and retrying...' % backoff_time)
+          time.sleep(backoff_time)
+          backoff_time *= 1.3
+          continue
+        raise
 
-      if verbose:
-        print(remote_output.strip())
+    if verbose:
+      print(remote_output.strip())
 
     # This is a big hammer, debatable if it should even be here...
     if options.force or options.reset: