Add support for post-dcommit/post-push hooks.

Patch contributed by sadrul@chromium.org

Review URL: http://codereview.chromium.org/5972005

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@71097 0039d316-1c4b-4281-b951-d872f2087c98

git_cl/git_cl.py

@@ -29,6 +29,7 @@ except ImportError:
 
 DEFAULT_SERVER = 'http://codereview.appspot.com'
 PREDCOMMIT_HOOK = '.git/hooks/pre-cl-dcommit'
+POSTUPSTREAM_HOOK_PATTERN = '.git/hooks/post-cl-%s'
 PREUPLOAD_HOOK = '.git/hooks/pre-cl-upload'
 DESCRIPTION_BACKUP_FILE = '~/.git_cl_description_backup'
 
@@ -973,6 +974,7 @@ def SendUpstream(parser, args, cmd):
   # Stuff our change into the merge branch.
   # We wrap in a try...finally block so if anything goes wrong,
   # we clean up the branches.
+  retcode = -1
   try:
     RunGit(['checkout', '-q', '-b', MERGE_BRANCH, base_branch])
     RunGit(['merge', '--squash', cl.GetBranchRef()])
@@ -988,7 +990,7 @@ def SendUpstream(parser, args, cmd):
       logging.debug(output)
     else:
       # dcommit the merge branch.
-      output = RunGit(['svn', 'dcommit', '--no-rebase'])
+      retcode, output = RunGitWithCode(['svn', 'dcommit', '--no-rebase'])
   finally:
     # And then swap back to the original branch and clean up.
     RunGit(['checkout', '-q', cl.GetBranch()])
@@ -1008,6 +1010,12 @@ def SendUpstream(parser, args, cmd):
            '(you may be prompted for your codereview password)...')
     cl.CloseIssue()
     cl.SetIssue(0)
+
+  if retcode == 0:
+    hook = POSTUPSTREAM_HOOK_PATTERN % cmd
+    if os.path.isfile(hook):
+      RunHook(hook, upstream_branch=base_branch, error_ok=True)
+
   return 0
 
 

git_cl/test/post-dcommit-hook-test.sh

+#!/bin/bash
+
+set -e
+
+. ./test-lib.sh
+
+setup_initsvn
+setup_gitsvn
+
+(
+  set -e
+  cd git-svn
+
+  cat > .git/hooks/post-cl-dcommit << _EOF
+#!/bin/bash
+git branch -m COMMITTED
+_EOF
+  chmod +x .git/hooks/post-cl-dcommit
+
+  git config rietveld.server localhost:1
+  git checkout -q --track -b work
+  echo "some work done" >> test
+  git add test; git commit -q -m "work"
+
+  test_expect_success "dcommitted code" \
+      "$GIT_CL dcommit -f --tbr --bypass-hooks -m 'dcommit'"
+
+  test_expect_success "post-cl-dcommit hook executed" \
+      "git symbolic-ref HEAD | grep -q COMMITTED"
+)
+SUCCESS=$?
+
+cleanup
+
+if [ $SUCCESS == 0 ]; then
+  echo PASS
+fi