62 lines
1.7 KiB
Python
Executable File
62 lines
1.7 KiB
Python
Executable File
#!/usr/bin/env python2
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# Copyright 2017 Google Inc.
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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 json
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import re
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import subprocess
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import sys
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import urllib
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# TODO(halcanary): document functions and script usage.
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def retrieve_changeid(commit_or_branch):
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try:
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cmd = ['git', 'log', '-1', '--format=%B', commit_or_branch, '--']
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body = subprocess.check_output(cmd)
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except OSError:
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raise Exception('git not found')
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except subprocess.CalledProcessError:
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raise Exception('`%s` failed' % ' '.join(cmd))
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match = re.search(r'^Change-Id: *(.*) *$', body, re.MULTILINE)
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if match is None:
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raise Exception('Change-Id field missing from commit %s' % commit_or_branch)
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return match.group(1)
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def gerrit_change_id_to_number(site, cid):
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url = 'https://%s/changes/?q=change:%s' % (site, cid)
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try:
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content = urllib.urlopen(url).read()
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except IOError:
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raise Exception('error reading "%s"' % url)
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try:
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parsed = json.loads(content[content.find('['):])
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except ValueError:
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raise Exception('unable to parse content\n"""\n%s\n"""' % content)
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try:
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return parsed[0]['_number']
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except (IndexError, KeyError):
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raise Exception('Content missing\n"""\n%s\n"""' %
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json.dumps(parsed, indent=2))
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def args_to_changeid(argv):
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if len(argv) == 2 and len(argv[1]) == 41 and argv[1][0] == 'I':
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return argv[1]
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else:
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return retrieve_changeid(argv[1] if len(argv) == 2 else 'HEAD')
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if __name__ == '__main__':
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try:
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sys.stdout.write('%d\n' %
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gerrit_change_id_to_number('skia-review.googlesource.com',
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args_to_changeid(sys.argv)))
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except Exception as e:
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sys.stderr.write('%s\n' % e)
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sys.exit(1)
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