13   2. Skip updating a repo, e.g. autotest
15   3. Update a given repo to a specific commit
74 def clone_prod_branch(repo):  argument
75     """Method to clone the prod branch for a given repo under /tmp/ dir.
77     @param repo: Name of the git repo to be cloned.
79     @returns path to the cloned repo.
83     repo_dir = '/tmp/%s' % repo
84     print 'Cloning %s prod branch under %s' % (repo, repo_dir)
87     git_repo = revision_control.GitRepo(repo_dir, GIT_URL[repo])
89     print 'Successfully cloned %s prod branch' % repo
93 def update_prod_branch(repo, repo_dir, hash_to_rebase):  argument
94     """Method to update the prod branch of the given repo to the given hash.
96     @param repo: Name of the git repo to be updated.
97     @param repo_dir: path to the cloned repo.
106         print 'Updating %s prod branch.' % repo
119             print 'Successfully pushed %s prod branch!\n' % repo
127                     'Fail to get pushed commits for repo %s from git log: %s' %
128                     (repo, result))
131             print 'No new %s changes found since last push.' % repo
135 def get_pushed_commits(repo, repo_dir, pushed_commits_range):  argument
138     @param repo: Name of the updated git repo.
139     @param repo_dir: path to the cloned repo.
147     print 'Getting pushed CLs for %s repo.' % repo
149         return '\n%s:\nNo new changes since last push.' % repo
156         if repo == 'autotest':
164         print 'Successfully got pushed CLs for %s repo!\n' % repo
165         return '\n%s:\n%s\n%s\n' % (repo, get_commits_cmd, pushed_commits)
171     @raises subprocess.CalledProcessError on a repo command failure.
192         # update_log saves the git log of the updated repo.
194         for repo, hash_to_rebase in repos.iteritems():
195             repo_dir = clone_prod_branch(repo)
197                 repo, repo_dir, hash_to_rebase)
198             update_log += get_pushed_commits(repo, repo_dir, push_commits_range)
213     print ('Deploy succeeds!!! Below is the push log of the updated repo:\n%s'