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llvm-premerge-checks/scripts/phabtalk/apply_patch.py
2019-11-18 16:41:44 +01:00

71 lines
2.7 KiB
Python
Executable file

#!/bin/env python3
# Copyright 2019 Google LLC
#
# Licensed under the the Apache License v2.0 with LLVM Exceptions (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://llvm.org/LICENSE.txt
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import argparse
import json
import os
import subprocess
import sys
from phabricator import Phabricator
def main():
diff_id = os.environ['DIFF_ID']
phid = os.environ['PHID']
conduit_token = os.environ['CONDUIT_TOKEN']
host = os.environ['PHABRICATOR_HOST']
diff_json_path = os.environ['DIFF_JSON']
print('Applying patch for Phabricator diff {} for build {}'.format(diff_id,phid))
phab = Phabricator(token=conduit_token, host=host+'/api/')
phab.update_interfaces()
_git_checkout(_get_parent_hash(diff_id, phab, diff_json_path))
_apply_patch(diff_id, conduit_token, host)
def _get_parent_hash(diff_id: str, phab: Phabricator, diff_json_path: str) -> str:
diff = phab.differential.getdiff(diff_id=diff_id)
# Keep a copy of the Phabricator answer for later usage in a json file
with open(diff_json_path,'w') as json_file:
json.dump(diff.response, json_file, sort_keys=True, indent=4)
return diff['sourceControlBaseRevision']
def _git_checkout(git_hash: str):
try:
print('Checking out git hash {}'.format(git_hash))
subprocess.check_call('git reset --hard {}'.format(git_hash), stdout=sys.stdout,
stderr=sys.stderr, shell=True)
except subprocess.CalledProcessError:
print('WARNING: checkout of hash failed, using master branch instead.')
subprocess.check_call('git checkout master', stdout=sys.stdout, stderr=sys.stderr,
shell=True)
print('git checkout completed.')
def _apply_patch(diff_id: str, conduit_token: str, host: str):
print('running arc patch...')
cmd = 'arc patch --nobranch --no-ansi --diff "{}" --nocommit '\
'--conduit-token "{}" --conduit-uri "{}"'.format(
diff_id, conduit_token, host )
result = subprocess.run(cmd, capture_output=True, shell=True, text=True)
if result.returncode != 0:
print('ERROR: arc patch failed with error code {} and message:'.format(result.returncode))
print(result.stdout + result.stderr)
raise subprocess.CalledProcessError('ERROR: arc patch failed')
print('Patching completed.')
if __name__ == "__main__":
main()