fix git-cl test scripts

git_cl/test/hooks.sh

 #!/bin/bash
 
 # Tests the "preupload and predcommit hooks" functionality, which lets you run
 # hooks by installing a script into .git/hooks/pre-cl-* first.
 
 set -e
 
 . ./test-lib.sh
 
 setup_initsvn
 setup_gitsvn
 
 setup_hooks() {
-  upload_retval = shift
-  dcommit_retval = shift
+  upload_retval=$1
+  dcommit_retval=$2
 
   echo > PRESUBMIT.py <<END
 def CheckChangeOnUpload(input_api, output_api):
   return $upload_retval
 
 def CheckChangeOnCommit(input_api, output_api):
   return $dcommit_retval
 END
 }
 
@@ skipping 15 matching lines @@
   # Verify git cl dcommit fails.
   test_expect_failure "git-cl dcommit hook fails" "$GIT_CL dcommit master"
 )
 SUCCESS=$?
 
 #cleanup
 
 if [ $SUCCESS == 0 ]; then
   echo PASS
 fi