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phorge/src/applications/diffusion/conduit/DiffusionHistoryQueryConduitAPIMethod.php
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DiffusionHistoryQueryConduitAPIMethod.php
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<?php
final class DiffusionHistoryQueryConduitAPIMethod
extends DiffusionQueryConduitAPIMethod {
private $parents = array();
public function getAPIMethodName() {
return 'diffusion.historyquery';
}
public function getMethodDescription() {
return pht(
'Returns history information for a repository at a specific '.
'commit and path.');
}
protected function defineReturnType() {
return 'array';
}
protected function defineCustomParamTypes() {
return array(
'commit' => 'required string',
'against' => 'optional string',
'path' => 'required string',
'offset' => 'optional int',
'limit' => 'required int',
'needDirectChanges' => 'optional bool',
'needChildChanges' => 'optional bool',
);
}
protected function getResult(ConduitAPIRequest $request) {
$path_changes = parent::getResult($request);
return array(
'pathChanges' => mpull($path_changes, 'toDictionary'),
'parents' => $this->parents,
);
}
protected function getGitResult(ConduitAPIRequest $request) {
$drequest = $this->getDiffusionRequest();
$repository = $drequest->getRepository();
$commit_hash = $request->getValue('commit');
$against_hash = $request->getValue('against');
$path = $request->getValue('path');
if (!phutil_nonempty_string($path)) {
$path = null;
}
$offset = $request->getIntValue('offset');
$limit = $request->getIntValue('limit', 100);
if (phutil_nonempty_string($against_hash)) {
$commit_range = "{$against_hash}..{$commit_hash}";
} else {
$commit_range = $commit_hash;
}
$argv = array();
$argv[] = '--skip';
$argv[] = $offset;
$argv[] = '--max-count';
$argv[] = $limit;
$argv[] = '--format=%H:%P';
$argv[] = gitsprintf('%s', $commit_range);
$argv[] = '--';
if ($path !== null) {
$argv[] = $path;
}
list($stdout) = $repository->execxLocalCommand(
'log %Ls',
$argv);
$lines = explode("\n", trim($stdout));
$lines = array_filter($lines);
$hash_list = array();
$parent_map = array();
foreach ($lines as $line) {
list($hash, $parents) = explode(':', $line);
$hash_list[] = $hash;
$parent_map[$hash] = preg_split('/\s+/', $parents);
}
$this->parents = $parent_map;
if (!$hash_list) {
return array();
}
return DiffusionQuery::loadHistoryForCommitIdentifiers(
$hash_list,
$drequest);
}
protected function getMercurialResult(ConduitAPIRequest $request) {
$drequest = $this->getDiffusionRequest();
$repository = $drequest->getRepository();
$commit_hash = $request->getValue('commit');
$path = $request->getValue('path');
$offset = $request->getValue('offset', 0);
$limit = $request->getValue('limit');
$path = DiffusionPathIDQuery::normalizePath($path);
$path = ltrim($path, '/');
// NOTE: Older versions of Mercurial give different results for these
// commands (see T1268):
//
// $ hg log -- ''
// $ hg log
//
// All versions of Mercurial give different results for these commands
// (merge commits are excluded with the "." version):
//
// $ hg log -- .
// $ hg log
//
// If we don't have a path component in the query, omit it from the command
// entirely to avoid these inconsistencies.
// NOTE: When viewing the history of a file, we don't use "-b", because
// Mercurial stops history at the branchpoint but we're interested in all
// ancestors. When viewing history of a branch, we do use "-b", and thus
// stop history (this is more consistent with the Mercurial worldview of
// branches).
$path_args = array();
if (strlen($path)) {
$path_args[] = $path;
$revset_arg = hgsprintf(
'reverse(ancestors(%s))',
$commit_hash);
} else {
$revset_arg = hgsprintf(
'reverse(ancestors(%s)) and branch(%s)',
$commit_hash,
$drequest->getBranch());
}
$hg_analyzer = PhutilBinaryAnalyzer::getForBinary('hg');
if ($hg_analyzer->isMercurialTemplatePnodeAvailable()) {
$hg_log_template = '{node} {p1.node} {p2.node}\\n';
} else {
$hg_log_template = '{node} {p1node} {p2node}\\n';
}
list($stdout) = $repository->execxLocalCommand(
'log --template %s --limit %d --rev %s -- %Ls',
$hg_log_template,
($offset + $limit), // No '--skip' in Mercurial.
$revset_arg,
$path_args);
$lines = explode("\n", trim($stdout));
$lines = array_slice($lines, $offset);
$hash_list = array();
$parent_map = array();
$last = null;
foreach (array_reverse($lines) as $line) {
$parts = explode(' ', trim($line));
$hash = $parts[0];
$parents = array_slice($parts, 1, 2);
foreach ($parents as $parent) {
if (!preg_match('/^0+\z/', $parent)) {
$parent_map[$hash][] = $parent;
}
}
// This may happen for the zeroth commit in repository, both hashes
// are "000000000...".
if (empty($parent_map[$hash])) {
$parent_map[$hash] = array('...');
}
// The rendering code expects the first commit to be "mainline", like
// Git. Flip the order so it does the right thing.
$parent_map[$hash] = array_reverse($parent_map[$hash]);
$hash_list[] = $hash;
$last = $hash;
}
$hash_list = array_reverse($hash_list);
$this->parents = array_reverse($parent_map, true);
return DiffusionQuery::loadHistoryForCommitIdentifiers(
$hash_list,
$drequest);
}
protected function getSVNResult(ConduitAPIRequest $request) {
$drequest = $this->getDiffusionRequest();
$repository = $drequest->getRepository();
$commit = $request->getValue('commit');
$path = $request->getValue('path');
$offset = $request->getValue('offset');
$limit = $request->getValue('limit');
$need_direct_changes = $request->getValue('needDirectChanges');
$need_child_changes = $request->getValue('needChildChanges');
$conn_r = $repository->establishConnection('r');
$paths = queryfx_all(
$conn_r,
'SELECT id, path FROM %T WHERE pathHash IN (%Ls)',
PhabricatorRepository::TABLE_PATH,
array(md5('/'.trim($path, '/'))));
$paths = ipull($paths, 'id', 'path');
$path_id = idx($paths, '/'.trim($path, '/'));
if (!$path_id) {
return array();
}
$filter_query = qsprintf($conn_r, '');
if ($need_direct_changes) {
if ($need_child_changes) {
$filter_query = qsprintf(
$conn_r,
'AND (isDirect = 1 OR changeType = %s)',
DifferentialChangeType::TYPE_CHILD);
} else {
$filter_query = qsprintf(
$conn_r,
'AND (isDirect = 1)');
}
}
$history_data = queryfx_all(
$conn_r,
'SELECT * FROM %T WHERE repositoryID = %d AND pathID = %d
AND commitSequence <= %d
%Q
ORDER BY commitSequence DESC
LIMIT %d, %d',
PhabricatorRepository::TABLE_PATHCHANGE,
$repository->getID(),
$path_id,
$commit ? $commit : 0x7FFFFFFF,
$filter_query,
$offset,
$limit);
$commits = array();
$commit_data = array();
$commit_ids = ipull($history_data, 'commitID');
if ($commit_ids) {
$commits = id(new PhabricatorRepositoryCommit())->loadAllWhere(
'id IN (%Ld)',
$commit_ids);
if ($commits) {
$commit_data = id(new PhabricatorRepositoryCommitData())->loadAllWhere(
'commitID in (%Ld)',
$commit_ids);
$commit_data = mpull($commit_data, null, 'getCommitID');
}
}
$history = array();
foreach ($history_data as $row) {
$item = new DiffusionPathChange();
$commit = idx($commits, $row['commitID']);
if ($commit) {
$item->setCommit($commit);
$item->setCommitIdentifier($commit->getCommitIdentifier());
$data = idx($commit_data, $commit->getID());
if ($data) {
$item->setCommitData($data);
}
}
$item->setChangeType($row['changeType']);
$item->setFileType($row['fileType']);
$history[] = $item;
}
return $history;
}
}

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