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phab/src/applications/diffusion/query/history/mercurial/DiffusionMercurialHistoryQuery.php
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DiffusionMercurialHistoryQuery.php
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<?php
/*
* Copyright 2012 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 DiffusionMercurialHistoryQuery extends DiffusionHistoryQuery {
protected function executeQuery() {
$drequest = $this->getRequest();
$repository = $drequest->getRepository();
$path = $drequest->getPath();
$commit_hash = $drequest->getStableCommitName();
$path = DiffusionPathIDQuery::normalizePath($path);
// NOTE: Using '' as a default path produces the correct behavior if HEAD
// is a merge commit; using '.' does not (the merge commit is not included
// in the log).
$default_path = '';
list($stdout) = $repository->execxLocalCommand(
'log --template %s --limit %d --branch %s --rev %s:0 -- %s',
'{node}\\n',
($this->getOffset() + $this->getLimit()), // No '--skip' in Mercurial.
$drequest->getBranch(),
$commit_hash,
nonempty(ltrim($path, '/'), $default_path));
$hashes = explode("\n", $stdout);
$hashes = array_filter($hashes);
$hashes = array_slice($hashes, $this->getOffset());
return $this->loadHistoryForCommitIdentifiers($hashes);
}
}
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