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phab/src/applications/diffusion/query/branch/git/DiffusionGitBranchQuery.php
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DiffusionGitBranchQuery.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.
*/
final class DiffusionGitBranchQuery extends DiffusionBranchQuery {
protected function executeQuery() {
$drequest = $this->getRequest();
$repository = $drequest->getRepository();
$local_path = $repository->getDetail('local-path');
list($stdout) = execx(
'(cd %s && git branch -r --verbose --no-abbrev)',
$local_path);
$branches = array();
foreach (self::parseGitRemoteBranchOutput($stdout) as $name => $head) {
$branch = new DiffusionBranchInformation();
$branch->setName($name);
$branch->setHeadCommitIdentifier($head);
$branches[] = $branch;
}
return $branches;
}
public static function parseGitRemoteBranchOutput($stdout) {
$map = array();
$lines = array_filter(explode("\n", $stdout));
foreach ($lines as $line) {
$matches = null;
if (preg_match('/^ (\S+)\s+-> (\S+)$/', $line, $matches)) {
// This is a line like:
//
// origin/HEAD -> origin/master
//
// ...which we don't currently do anything interesting with, although
// in theory we could use it to automatically choose the default
// branch.
continue;
}
if (!preg_match('/^[ *] (\S+)\s+([a-z0-9]{40}) /', $line, $matches)) {
throw new Exception("Failed to parse {$line}!");
}
$map[$matches[1]] = $matches[2];
}
return $map;
}
}
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