testing

DiffusionMercurialRequest.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.
			*/

			/**
			* @group diffusion
			*/
			final class DiffusionMercurialRequest extends DiffusionRequest {

			protected function getSupportsBranches() {
			return true;
			}

			protected function didInitialize() {
			$repository = $this->getRepository();

			if (!Filesystem::pathExists($repository->getLocalPath())) {
			$this->raiseCloneException();
			}

			return;
			}

			public function getBranch() {
			if ($this->branch) {
			return $this->branch;
			}

			if ($this->repository) {
			return $this->repository->getDetail('default-branch', 'default');
			}

			throw new Exception("Unable to determine branch!");
			}

			public function getCommit() {
			if ($this->commit) {
			return $this->commit;
			}
			return $this->getBranch();
			}

			public function getStableCommitName() {
			if (!$this->stableCommitName) {
			if ($this->commit) {
			$this->stableCommitName = $this->commit;
			} else {
			list($this->stableCommitName) = $this->repository->execxLocalCommand(
			'log --template=%s --rev %s',
			'{node}',
			$this->getBranch());
			}
			}
			return $this->stableCommitName;
			}

			}