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phab/src/applications/diffusion/request/DiffusionGitRequest.php
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DiffusionGitRequest.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 DiffusionGitRequest extends DiffusionRequest {
protected function getSupportsBranches() {
return true;
}
protected function didInitialize() {
$repository = $this->getRepository();
if (!Filesystem::pathExists($repository->getLocalPath())) {
$this->raiseCloneException();
}
if (!$this->commit) {
return;
}
// Expand short commit names and verify
$future = $repository->getLocalCommandFuture(
'cat-file --batch');
$future->write($this->commit);
list($stdout) = $future->resolvex();
list($hash, $type) = explode(' ', $stdout);
if ($type == 'missing') {
throw new Exception("Bad commit '{$this->commit}'.");
}
switch ($type) {
case 'tag':
$this->commitType = 'tag';
$matches = null;
$ok = preg_match(
'/^object ([a-f0-9]+)$.*?\n\n(.*)$/sm',
$stdout,
$matches);
if (!$ok) {
throw new Exception(
"Unparseable output from cat-file: {$stdout}");
}
$hash = $matches[1];
$this->tagContent = trim($matches[2]);
break;
case 'commit':
break;
default:
throw new AphrontUsageException(
"Invalid Object Name",
"The reference '{$this->commit}' does not name a valid ".
"commit or a tag in this repository.");
break;
}
$this->commit = $hash;
}
public function getBranch() {
if ($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;
}
$remote = DiffusionBranchInformation::DEFAULT_GIT_REMOTE;
return $remote.'/'.$this->getBranch();
}
public function getStableCommitName() {
if (!$this->stableCommitName) {
if ($this->commit) {
$this->stableCommitName = $this->commit;
} else {
$branch = $this->getBranch();
list($stdout) = $this->getRepository()->execxLocalCommand(
'rev-parse --verify %s/%s',
DiffusionBranchInformation::DEFAULT_GIT_REMOTE,
$branch);
$this->stableCommitName = trim($stdout);
}
}
return substr($this->stableCommitName, 0, 16);
}
}
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