92 def fetch_artifact(branch, build, target, name):  argument
97     logger().info('Fetching %s from %s %s (artifacts matching %s)', build,
101            '--bid', build, name]
105 def start_branch(build):  argument
107     branch_name = 'update-' + (build or 'latest')
112 def commit(branch, build, add_paths):  argument
119         Taken from branch {branch}.""").format(branch=branch, build=build)
135 def install_new_release(branch, build, install_dir):  argument
138         install_entry(branch, build, install_dir, entry)
141 def install_entry(branch, build, install_dir, entry):  argument
148     fetch_artifact(branch, build, target, name)
192         start_branch(args.build)
194     install_new_release(args.branch, args.build, install_dir)
196     commit(args.branch, args.build, artifacts)