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phab/src/applications/repository/engine/PhabricatorRepositoryMirrorEngine.php
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PhabricatorRepositoryMirrorEngine.php
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<?php
/**
* Pushes a repository to its mirrors.
*/
final class PhabricatorRepositoryMirrorEngine
extends PhabricatorRepositoryEngine {
public function pushToMirrors() {
$repository = $this->getRepository();
if (!$repository->canMirror()) {
return;
}
if (PhabricatorEnv::getEnvConfig('phabricator.silent')) {
$this->log(
pht('Phabricator is running in silent mode; declining to mirror.'));
return;
}
$mirrors = id(new PhabricatorRepositoryMirrorQuery())
->setViewer($this->getViewer())
->withRepositoryPHIDs(array($repository->getPHID()))
->execute();
$exceptions = array();
foreach ($mirrors as $mirror) {
try {
$this->pushRepositoryToMirror($repository, $mirror);
} catch (Exception $ex) {
$exceptions[] = $ex;
}
}
if ($exceptions) {
throw new PhutilAggregateException(
pht(
'Exceptions occurred while mirroring the "%s" repository.',
$repository->getCallsign()),
$exceptions);
}
}
private function pushRepositoryToMirror(
PhabricatorRepository $repository,
PhabricatorRepositoryMirror $mirror) {
// TODO: This is a little bit janky, but we don't have first-class
// infrastructure for running remote commands against an arbitrary remote
// right now. Just make an emphemeral copy of the repository and muck with
// it a little bit. In the medium term, we should pull this command stuff
// out and use it here and for "Land to ...".
$proxy = clone $repository;
$proxy->makeEphemeral();
$proxy->setDetail('hosting-enabled', false);
$proxy->setDetail('remote-uri', $mirror->getRemoteURI());
$proxy->setCredentialPHID($mirror->getCredentialPHID());
$this->log(pht('Pushing to remote "%s"...', $mirror->getRemoteURI()));
if ($proxy->isGit()) {
$this->pushToGitRepository($proxy);
} else if ($proxy->isHg()) {
$this->pushToHgRepository($proxy);
} else {
throw new Exception(pht('Unsupported VCS!'));
}
}
private function pushToGitRepository(
PhabricatorRepository $proxy) {
$future = $proxy->getRemoteCommandFuture(
'push --verbose --mirror -- %P',
$proxy->getRemoteURIEnvelope());
$future
->setCWD($proxy->getLocalPath())
->resolvex();
}
private function pushToHgRepository(
PhabricatorRepository $proxy) {
$future = $proxy->getRemoteCommandFuture(
'push --verbose --rev tip -- %P',
$proxy->getRemoteURIEnvelope());
try {
$future
->setCWD($proxy->getLocalPath())
->resolvex();
} catch (CommandException $ex) {
if (preg_match('/no changes found/', $ex->getStdOut())) {
// mercurial says nothing changed, but that's good
} else {
throw $ex;
}
}
}
}
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