51 lines
1.4 KiB
Python
51 lines
1.4 KiB
Python
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#!/usr/bin/env python
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#
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# Copyright 2019 Google Inc.
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#
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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import subprocess
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import sys
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from infra import git
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from infra import go
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REFS_HEADS_PREFIX = 'refs/heads/'
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CHROME_REF_PREFIX = REFS_HEADS_PREFIX + 'chrome/m'
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SUPPORTED_CHROME_BRANCHES = 2 # Per infra policy; see skbug.com/8940
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def get_chrome_branches():
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'''Return all Chrome milestone branches as tuples of (milestone, ref).'''
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refs = git.git('ls-remote', 'origin', 'refs/heads/*')
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chrome_branches = []
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for line in refs.splitlines():
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ref = line.split()[1]
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if ref.startswith(CHROME_REF_PREFIX):
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m = int(ref[len(CHROME_REF_PREFIX):])
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chrome_branches.append((m, ref))
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chrome_branches.sort(reverse=True)
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return chrome_branches
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def main():
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owner = git.git('config', 'user.email').rstrip()
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if not owner:
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print >> sys.stderr, 'No configured git user; please run "git config user.email <your email>".'
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sys.exit(1)
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branches = get_chrome_branches()
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new_branch = branches[0][1][len(REFS_HEADS_PREFIX):]
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old_branch = branches[SUPPORTED_CHROME_BRANCHES][1][len(REFS_HEADS_PREFIX):]
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go.get(go.INFRA_GO+'/go/supported_branches/cmd/new-branch')
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subprocess.check_call(['new-branch',
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'--branch', new_branch,
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'--delete', old_branch,
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'--owner', owner])
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if __name__ == '__main__':
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main()
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