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phab/src/applications/repository/daemon/commitdiscovery/git/PhabricatorRepositoryGitCommitDiscoveryDaemon.php
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PhabricatorRepositoryGitCommitDiscoveryDaemon.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.
*/
class PhabricatorRepositoryGitCommitDiscoveryDaemon
extends PhabricatorRepositoryCommitDiscoveryDaemon {
protected function discoverCommits() {
// NOTE: PhabricatorRepositoryGitPullDaemon does the actual pulls, this
// just parses HEAD.
$repository = $this->getRepository();
$vcs = $repository->getVersionControlSystem();
if ($vcs != PhabricatorRepositoryType::REPOSITORY_TYPE_GIT) {
throw new Exception("Repository is not a git repository.");
}
$repository_phid = $repository->getPHID();
$repo_base = $repository->getDetail('local-path');
list($commit) = execx(
'(cd %s && git log -n1 --pretty="%%H")',
$repo_base);
$commit = trim($commit);
if ($this->isKnownCommit($commit)) {
return false;
}
$this->discoverCommit($commit);
return true;
}
private function discoverCommit($commit) {
$discover = array();
$insert = array();
$repository = $this->getRepository();
$repo_base = $repository->getDetail('local-path');
$discover[] = $commit;
$insert[] = $commit;
while (true) {
$target = array_pop($discover);
list($parents) = execx(
'(cd %s && git log -n1 --pretty="%%P" %s)',
$repo_base,
$target);
$parents = array_filter(explode(' ', trim($parents)));
foreach ($parents as $parent) {
if (!$this->isKnownCommit($parent)) {
$discover[] = $parent;
$insert[] = $parent;
}
}
if (empty($discover)) {
break;
}
$this->stillWorking();
}
while (true) {
$target = array_pop($insert);
list($epoch) = execx(
'(cd %s && git log -n1 --pretty="%%at" %s)',
$repo_base,
$target);
$epoch = trim($epoch);
$this->recordCommit($target, $epoch);
if (empty($insert)) {
break;
}
}
}
}
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