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phorge/src/applications/repository/management/PhabricatorRepositoryManagementParentsWorkflow.php
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PhabricatorRepositoryManagementParentsWorkflow.php
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<?php
final class PhabricatorRepositoryManagementParentsWorkflow
extends PhabricatorRepositoryManagementWorkflow {
protected function didConstruct() {
$this
->setName('parents')
->setExamples('**parents** [options] [__repository__] ...')
->setSynopsis(
pht(
'Build parent caches in repositories that are missing the data, '.
'or rebuild them in a specific __repository__.'))
->setArguments(
array(
array(
'name' => 'repos',
'wildcard' => true,
),
));
}
public function execute(PhutilArgumentParser $args) {
$repos = $this->loadRepositories($args, 'repos');
if (!$repos) {
$repos = id(new PhabricatorRepositoryQuery())
->setViewer($this->getViewer())
->execute();
}
$console = PhutilConsole::getConsole();
foreach ($repos as $repo) {
$monogram = $repo->getMonogram();
if ($repo->isSVN()) {
$console->writeOut(
"%s\n",
pht(
'Skipping "%s": Subversion repositories do not require this '.
'cache to be built.',
$monogram));
continue;
}
$this->rebuildRepository($repo);
}
return 0;
}
private function rebuildRepository(PhabricatorRepository $repo) {
$console = PhutilConsole::getConsole();
$console->writeOut("%s\n", pht('Rebuilding "%s"...', $repo->getMonogram()));
$refs = id(new PhabricatorRepositoryRefCursorQuery())
->setViewer($this->getViewer())
->withRefTypes(array(PhabricatorRepositoryRefCursor::TYPE_BRANCH))
->withRepositoryPHIDs(array($repo->getPHID()))
->needPositions(true)
->execute();
$graph = array();
foreach ($refs as $ref) {
if (!$repo->shouldTrackBranch($ref->getRefName())) {
continue;
}
$console->writeOut(
"%s\n",
pht('Rebuilding branch "%s"...', $ref->getRefName()));
foreach ($ref->getPositionIdentifiers() as $commit) {
if ($repo->isGit()) {
$stream = new PhabricatorGitGraphStream($repo, $commit);
} else {
$stream = new PhabricatorMercurialGraphStream($repo, $commit);
}
$discover = array($commit);
while ($discover) {
$target = array_pop($discover);
if (isset($graph[$target])) {
continue;
}
$graph[$target] = $stream->getParents($target);
foreach ($graph[$target] as $parent) {
$discover[] = $parent;
}
}
}
}
$console->writeOut(
"%s\n",
pht(
'Found %s total commit(s); updating...',
phutil_count($graph)));
$commit_table = id(new PhabricatorRepositoryCommit());
$commit_table_name = $commit_table->getTableName();
$conn_w = $commit_table->establishConnection('w');
$bar = id(new PhutilConsoleProgressBar())
->setTotal(count($graph));
$need = array();
foreach ($graph as $child => $parents) {
foreach ($parents as $parent) {
$need[$parent] = $parent;
}
$need[$child] = $child;
}
$map = array();
foreach (array_chunk($need, 2048) as $chunk) {
$rows = queryfx_all(
$conn_w,
'SELECT id, commitIdentifier FROM %T
WHERE commitIdentifier IN (%Ls) AND repositoryID = %d',
$commit_table_name,
$chunk,
$repo->getID());
foreach ($rows as $row) {
$map[$row['commitIdentifier']] = $row['id'];
}
}
$insert_sql = array();
$delete_sql = array();
foreach ($graph as $child => $parents) {
$names = $parents;
$names[] = $child;
foreach ($names as $name) {
if (empty($map[$name])) {
throw new Exception(pht('Unknown commit "%s"!', $name));
}
}
if (!$parents) {
// Write an explicit 0 to indicate "no parents" instead of "no data".
$insert_sql[] = qsprintf(
$conn_w,
'(%d, 0)',
$map[$child]);
} else {
foreach ($parents as $parent) {
$insert_sql[] = qsprintf(
$conn_w,
'(%d, %d)',
$map[$child],
$map[$parent]);
}
}
$delete_sql[] = $map[$child];
$bar->update(1);
}
$commit_table->openTransaction();
foreach (PhabricatorLiskDAO::chunkSQL($delete_sql) as $chunk) {
queryfx(
$conn_w,
'DELETE FROM %T WHERE childCommitID IN (%LQ)',
PhabricatorRepository::TABLE_PARENTS,
$chunk);
}
foreach (PhabricatorLiskDAO::chunkSQL($insert_sql) as $chunk) {
queryfx(
$conn_w,
'INSERT INTO %T (childCommitID, parentCommitID) VALUES %LQ',
PhabricatorRepository::TABLE_PARENTS,
$chunk);
}
$commit_table->saveTransaction();
$bar->done();
}
}

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