DiffusionGitHistoryQuery.php
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DiffusionGitHistoryQuery.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 DiffusionGitHistoryQuery extends DiffusionHistoryQuery {

	protected function executeQuery() {
	$drequest = $this->getRequest();

	$repository = $drequest->getRepository();
	$path = $drequest->getPath();
	$commit_hash = $drequest->getCommit();

	list($stdout) = $repository->execxLocalCommand(
	'log '.
	'--skip=%d '.
	'-n %d '.
	'--pretty=format:%s '.
	'%s -- %C',
	$this->getOffset(),
	$this->getLimit(),
	'%H:%P',
	$commit_hash,
	// Git omits merge commits if the path is provided, even if it is empty.
	(strlen($path) ? csprintf('%s', $path) : ''));

	$lines = explode("\n", trim($stdout));
	$lines = array_filter($lines);
	if (!$lines) {
	return array();
	}

	$hash_list = array();
	$parent_map = array();
	foreach ($lines as $line) {
	list($hash, $parents) = explode(":", $line);
	$hash_list[] = $hash;
	$parent_map[$hash] = preg_split('/\s+/', $parents);
	}

	$this->parents = $parent_map;

	return $this->loadHistoryForCommitIdentifiers($hash_list);
	}

	}