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phab/src/applications/repository/management/PhabricatorRepositoryManagementUpdateWorkflow.php
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PhabricatorRepositoryManagementUpdateWorkflow.php
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<?php
final class PhabricatorRepositoryManagementUpdateWorkflow
extends PhabricatorRepositoryManagementWorkflow {
private $verbose;
public function setVerbose($verbose) {
$this->verbose = $verbose;
return $this;
}
public function getVerbose() {
return $this->verbose;
}
protected function didConstruct() {
$this
->setName('update')
->setExamples('**update** [options] __repository__')
->setSynopsis(
pht(
'Update __repository__, named by callsign. '.
'This performs the __pull__, __discover__, __ref__ and __mirror__ '.
'operations and is primarily an internal workflow.'))
->setArguments(
array(
array(
'name' => 'verbose',
'help' => pht('Show additional debugging information.'),
),
array(
'name' => 'no-discovery',
'help' => pht('Do not perform discovery.'),
),
array(
'name' => 'repos',
'wildcard' => true,
),
));
}
public function execute(PhutilArgumentParser $args) {
$this->setVerbose($args->getArg('verbose'));
$console = PhutilConsole::getConsole();
$repos = $this->loadRepositories($args, 'repos');
if (count($repos) !== 1) {
throw new PhutilArgumentUsageException(
pht('Specify exactly one repository to update, by callsign.'));
}
$repository = head($repos);
try {
$lock_name = 'repository.update:'.$repository->getID();
$lock = PhabricatorGlobalLock::newLock($lock_name);
try {
$lock->lock();
} catch (PhutilLockException $ex) {
throw new PhutilProxyException(
pht(
'Another process is currently holding the update lock for '.
'repository "%s". Repositories may only be updated by one '.
'process at a time. This can happen if you are running multiple '.
'copies of the daemons. This can also happen if you manually '.
'update a repository while the daemons are also updating it '.
'(in this case, just try again in a few moments).',
$repository->getMonogram()),
$ex);
}
try {
$no_discovery = $args->getArg('no-discovery');
id(new PhabricatorRepositoryPullEngine())
->setRepository($repository)
->setVerbose($this->getVerbose())
->pullRepository();
if ($no_discovery) {
$lock->unlock();
return;
}
// TODO: It would be nice to discover only if we pulled something, but
// this isn't totally trivial. It's slightly more complicated with
// hosted repositories, too.
$repository->writeStatusMessage(
PhabricatorRepositoryStatusMessage::TYPE_NEEDS_UPDATE,
null);
$this->discoverRepository($repository);
$this->checkIfRepositoryIsFullyImported($repository);
$this->updateRepositoryRefs($repository);
$this->mirrorRepository($repository);
$repository->writeStatusMessage(
PhabricatorRepositoryStatusMessage::TYPE_FETCH,
PhabricatorRepositoryStatusMessage::CODE_OKAY);
} catch (Exception $ex) {
$lock->unlock();
throw $ex;
}
} catch (Exception $ex) {
$repository->writeStatusMessage(
PhabricatorRepositoryStatusMessage::TYPE_FETCH,
PhabricatorRepositoryStatusMessage::CODE_ERROR,
array(
'message' => pht(
'Error updating working copy: %s', $ex->getMessage()),
));
throw $ex;
}
$lock->unlock();
$console->writeOut(
pht(
'Updated repository **%s**.',
$repository->getMonogram())."\n");
return 0;
}
private function discoverRepository(PhabricatorRepository $repository) {
$refs = id(new PhabricatorRepositoryDiscoveryEngine())
->setRepository($repository)
->setVerbose($this->getVerbose())
->discoverCommits();
return (bool)count($refs);
}
private function mirrorRepository(PhabricatorRepository $repository) {
try {
id(new PhabricatorRepositoryMirrorEngine())
->setRepository($repository)
->pushToMirrors();
} catch (Exception $ex) {
// TODO: We should report these into the UI properly, but for now just
// complain. These errors are much less severe than pull errors.
$proxy = new PhutilProxyException(
pht(
'Error while pushing "%s" repository to mirrors.',
$repository->getMonogram()),
$ex);
phlog($proxy);
}
}
private function updateRepositoryRefs(PhabricatorRepository $repository) {
id(new PhabricatorRepositoryRefEngine())
->setRepository($repository)
->updateRefs();
}
private function checkIfRepositoryIsFullyImported(
PhabricatorRepository $repository) {
// Check if the repository has the "Importing" flag set. We want to clear
// the flag if we can.
$importing = $repository->getDetail('importing');
if (!$importing) {
// This repository isn't marked as "Importing", so we're done.
return;
}
// Look for any commit which hasn't imported.
$unparsed_commit = queryfx_one(
$repository->establishConnection('r'),
'SELECT * FROM %T WHERE repositoryID = %d AND (importStatus & %d) != %d
LIMIT 1',
id(new PhabricatorRepositoryCommit())->getTableName(),
$repository->getID(),
PhabricatorRepositoryCommit::IMPORTED_ALL,
PhabricatorRepositoryCommit::IMPORTED_ALL);
if ($unparsed_commit) {
// We found a commit which still needs to import, so we can't clear the
// flag.
return;
}
// Clear the "importing" flag.
$repository->openTransaction();
$repository->beginReadLocking();
$repository = $repository->reload();
$repository->setDetail('importing', false);
$repository->save();
$repository->endReadLocking();
$repository->saveTransaction();
}
}
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