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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
from __future__ import print_function, unicode_literals
import os
import subprocess
import sys
from datetime import datetime
SOURCESTAMP_FILENAME = 'sourcestamp.txt'
def buildid_header(output):
buildid = os.environ.get('MOZ_BUILD_DATE')
if buildid and len(buildid) != 14:
print('Ignoring invalid MOZ_BUILD_DATE: %s' % buildid, file=sys.stderr)
buildid = None
if not buildid:
buildid = datetime.utcnow().strftime('%Y%m%d%H%M%S')
output.write("#define MOZ_BUILDID %s\n" % buildid)
def get_program_output(*command):
try:
with open(os.devnull) as stderr:
return subprocess.check_output(command, stderr=stderr)
except:
return ''
def get_hg_info(workdir):
repo = get_program_output('hg', '-R', workdir, 'path', 'default')
if repo:
repo = repo.strip()
if repo.startswith('ssh://'):
repo = 'https://' + repo[6:]
repo = repo.rstrip('/')
changeset = get_hg_changeset(workdir)
return repo, changeset
def get_hg_changeset(path):
return get_program_output('hg', '-R', path, 'parent', '--template={node}')
def get_info_from_sourcestamp(sourcestamp_path):
"""Read the repository and changelog information from the sourcestamp
file. This assumes that the file exists and returns the results as a list
(either strings or None in case of error).
"""
# Load the content of the file.
lines = None
with open(sourcestamp_path) as f:
lines = f.read().splitlines()
# Parse the repo and the changeset. The sourcestamp file is supposed to
# contain two lines: the first is the build id and the second is the source
# URL.
if len(lines) != 2 or not lines[1].startswith('http'):
# Just return if the file doesn't contain what we expect.
return None, None
# Return the repo and the changeset.
return lines[1].split('/rev/')
def source_repo_header(output):
# We allow the source repo and changeset to be specified via the
# environment (see configure)
import buildconfig
repo = buildconfig.substs.get('MOZ_SOURCE_REPO')
changeset = buildconfig.substs.get('MOZ_SOURCE_CHANGESET')
source = ''
if not repo:
sourcestamp_path = os.path.join(buildconfig.topsrcdir, SOURCESTAMP_FILENAME)
if os.path.exists(os.path.join(buildconfig.topsrcdir, '.hg')):
repo, changeset = get_hg_info(buildconfig.topsrcdir)
elif os.path.exists(sourcestamp_path):
repo, changeset = get_info_from_sourcestamp(sourcestamp_path)
elif not changeset:
changeset = get_hg_changeset(buildconfig.topsrcdir)
if not changeset:
raise Exception('could not resolve changeset; '
'try setting MOZ_SOURCE_CHANGESET')
if changeset:
output.write('#define MOZ_SOURCE_STAMP %s\n' % changeset)
if repo and buildconfig.substs.get('MOZ_INCLUDE_SOURCE_INFO'):
source = '%s/rev/%s' % (repo, changeset)
output.write('#define MOZ_SOURCE_REPO %s\n' % repo)
output.write('#define MOZ_SOURCE_URL %s\n' % source)
def main(args):
if (len(args)):
func = globals().get(args[0])
if func:
return func(sys.stdout, *args[1:])
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
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