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phab/src/applications/repository/worker/base/PhabricatorRepositoryCommitParserWorker.php
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PhabricatorRepositoryCommitParserWorker.php
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<?php
/*
* Copyright 2011 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*/
abstract class PhabricatorRepositoryCommitParserWorker
extends PhabricatorWorker {
protected $commit;
protected $repository;
final public function doWork() {
$commit_id = idx($this->getTaskData(), 'commitID');
if (!$commit_id) {
return;
}
$commit = id(new PhabricatorRepositoryCommit())->load($commit_id);
if (!$commit) {
// TODO: Communicate permanent failure?
return;
}
$this->commit = $commit;
$repository = id(new PhabricatorRepository())->load(
$commit->getRepositoryID());
if (!$repository) {
return;
}
$this->repository = $repository;
return $this->parseCommit($repository, $commit);
}
final protected function shouldQueueFollowupTasks() {
return !idx($this->getTaskData(), 'only');
}
abstract protected function parseCommit(
PhabricatorRepository $repository,
PhabricatorRepositoryCommit $commit);
/**
* This method is kind of awkward here but both the SVN message and
* change parsers use it.
*/
protected function getSVNLogXMLObject($uri, $revision, $verbose = false) {
if ($verbose) {
$verbose = '--verbose';
}
try {
list($xml) = $this->repository->execxRemoteCommand(
"log --xml {$verbose} --limit 1 %s@%d",
$uri,
$revision);
} catch (CommandException $ex) {
// HTTPS is generally faster and more reliable than svn+ssh, but some
// commit messages with non-UTF8 text can't be retrieved over HTTPS, see
// Facebook rE197184 for one example. Make an attempt to fall back to
// svn+ssh if we've failed outright to retrieve the message.
$fallback_uri = new PhutilURI($uri);
if ($fallback_uri->getProtocol() != 'https') {
throw $ex;
}
$fallback_uri->setProtocol('svn+ssh');
list($xml) = execx(
"svn log --xml {$verbose} --limit 1 --non-interactive %s@%d",
$fallback_uri,
$revision);
}
// Subversion may send us back commit messages which won't parse because
// they have non UTF-8 garbage in them. Slam them into valid UTF-8.
$xml = phutil_utf8ize($xml);
return new SimpleXMLElement($xml);
}
protected function isBadCommit($full_commit_name) {
$repository = new PhabricatorRepository();
$bad_commit = queryfx_one(
$repository->establishConnection('w'),
'SELECT * FROM %T WHERE fullCommitName = %s',
PhabricatorRepository::TABLE_BADCOMMIT,
$full_commit_name);
return (bool)$bad_commit;
}
}
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