DiffusionMercurialRawDiffQuery.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 DiffusionMercurialRawDiffQuery extends DiffusionRawDiffQuery {

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

	$commit = $drequest->getCommit();

	// If there's no path, get the entire raw diff.
	$path = nonempty($drequest->getPath(), '.');

	$against = $this->getAgainstCommit();
	if ($against === null) {
	$against = $commit.'^';
	}

	$future = $repository->getLocalCommandFuture(
	'diff -U %d --git --rev %s:%s -- %s',
	$this->getLinesOfContext(),
	$against,
	$commit,
	$path);

	if ($this->getTimeout()) {
	$future->setTimeout($this->getTimeout());
	}

	list($raw_diff) = $future->resolvex();

	return $raw_diff;
	}

	}