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phab/src/applications/diffusion/query/diff/mercurial/DiffusionMercurialDiffQuery.php
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DiffusionMercurialDiffQuery.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 DiffusionMercurialDiffQuery extends DiffusionDiffQuery {
protected function executeQuery() {
$drequest = $this->getRequest();
$repository = $drequest->getRepository();
$effective_commit = $this->getEffectiveCommit();
if (!$effective_commit) {
return null;
}
// TODO: This side effect is kind of skethcy.
$drequest->setCommit($effective_commit);
$path = $drequest->getPath();
list($raw_diff) = $repository->execxLocalCommand(
'diff -U %d --git --change %s -- %s',
65535,
$effective_commit,
$path);
$parser = new ArcanistDiffParser();
$try_encoding = $repository->getDetail('encoding');
if ($try_encoding) {
$parser->setTryEncoding($try_encoding);
}
$parser->setDetectBinaryFiles(true);
$changes = $parser->parseDiff($raw_diff);
$diff = DifferentialDiff::newFromRawChanges($changes);
$changesets = $diff->getChangesets();
$changeset = reset($changesets);
$this->renderingReference = $drequest->generateURI(
array(
'action' => 'rendering-ref',
));
return $changeset;
}
}
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