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phab/src/applications/diffusion/request/DiffusionMercurialRequest.php
ce3a3f1d141efeature/better-testing

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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 $this->repository->getDefaultBranch();
}
throw new Exception("Unable to determine branch!");
}
public function getCommit() {
if ($this->commit) {
return $this->commit;
}
return $this->getBranch();
}
public function getStableCommitName() {
if (!$this->stableCommitName) {
if ($this->commit) {
$this->stableCommitName = $this->commit;
} else {
// NOTE: For branches with spaces in their name like "a b", this
// does not work properly:
//
// $ hg log --rev 'a b'
//
// We can use revsets instead:
//
// $ hg log --rev branch('a b')
//
// ...but they require a somewhat newer version of Mercurial. Instead,
// use "-b" flag with limit 1 for greatest compatibility across
// versions.
list($this->stableCommitName) = $this->repository->execxLocalCommand(
'log --template=%s -b %s --limit 1',
'{node}',
$this->getBranch());
}
}
return $this->stableCommitName;
}
}
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