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phab/src/applications/diffusion/query/browse/git/DiffusionGitBrowseQuery.php
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DiffusionGitBrowseQuery.php
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<?php
/*
* Copyright 2011 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 DiffusionGitBrowseQuery extends DiffusionBrowseQuery {
protected function executeQuery() {
$drequest = $this->getRequest();
$repository = $drequest->getRepository();
$path = $drequest->getPath();
$commit = $drequest->getCommit();
$local_path = $repository->getDetail('local-path');
if ($path == '') {
// Fast path to improve the performance of the repository view; we know
// the root is always a tree at any commit and always exists.
$stdout = 'tree';
} else {
try {
list($stdout) = execx(
"(cd %s && git cat-file -t %s:%s)",
$local_path,
$commit,
$path);
} catch (CommandException $e) {
$stderr = $e->getStdErr();
if (preg_match('/^fatal: Not a valid object name/', $stderr)) {
// Grab two logs, since the first one is when the object was deleted.
list($stdout) = execx(
'(cd %s && git log -n2 --format="%%H" %s -- %s)',
$local_path,
$commit,
$path);
$stdout = trim($stdout);
if ($stdout) {
$commits = explode("\n", $stdout);
$this->reason = self::REASON_IS_DELETED;
$this->deletedAtCommit = idx($commits, 0);
$this->existedAtCommit = idx($commits, 1);
return array();
}
$this->reason = self::REASON_IS_NONEXISTENT;
return array();
} else {
throw $e;
}
}
}
if (trim($stdout) == 'blob') {
$this->reason = self::REASON_IS_FILE;
return array();
}
if ($this->shouldOnlyTestValidity()) {
return true;
}
list($stdout) = execx(
"(cd %s && git ls-tree -l %s:%s)",
$local_path,
$commit,
$path);
$results = array();
foreach (explode("\n", rtrim($stdout)) as $line) {
list($mode, $type, $hash, $size, $name) = preg_split('/\s+/', $line);
if ($type == 'tree') {
$file_type = DifferentialChangeType::FILE_DIRECTORY;
} else {
$file_type = DifferentialChangeType::FILE_NORMAL;
}
$result = new DiffusionRepositoryPath();
$result->setPath($name);
$result->setHash($hash);
$result->setFileType($file_type);
$result->setFileSize($size);
$results[] = $result;
}
return $results;
}
}
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