Handle KeyboardInterrupt consistently in python scripts

git_cl.py

Index: git_cl.py
diff --git a/git_cl.py b/git_cl.py
index 728bae7abcf41c980e58db900554f3c9fbb58fe4..b2543ed00f4fe5701190a1b1b356fc4d36fb6df8 100755
--- a/git_cl.py
+++ b/git_cl.py
@@ -3071,6 +3071,7 @@ def main(argv):
     DieWithError(
         ('AppEngine is misbehaving and returned HTTP %d, again. Keep faith '
           'and retry or visit go/isgaeup.\n%s') % (e.code, str(e)))
+  return 0
 
 
 if __name__ == '__main__':
@@ -3078,4 +3079,8 @@ if __name__ == '__main__':
   # unit testing.
   fix_encoding.fix_encoding()
   colorama.init()
-  sys.exit(main(sys.argv[1:]))
+  try:
+    sys.exit(main(sys.argv[1:]))
+  except KeyboardInterrupt:
+    print 'interrupted'
+    sys.exit(1)