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DrydockWorkingCopyBlueprintImplementation.php
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Fri, Nov 29, 15:11

DrydockWorkingCopyBlueprintImplementation.php
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<?php
final class DrydockWorkingCopyBlueprintImplementation
extends DrydockBlueprintImplementation {
public function isEnabled() {
return true;
}
public function getBlueprintName() {
return pht('Working Copy');
}
public function getDescription() {
return pht('Allows Drydock to check out working copies of repositories.');
}
protected function canAllocateLease(
DrydockResource $resource,
DrydockLease $lease) {
$resource_repo = $resource->getAttribute('repositoryID');
$lease_repo = $lease->getAttribute('repositoryID');
return ($resource_repo && $lease_repo && ($resource_repo == $lease_repo));
}
protected function shouldAllocateLease(
DrydockResource $resource,
DrydockLease $lease,
array $other_leases) {
return !$other_leases;
}
protected function executeAllocateResource(DrydockLease $lease) {
$repository_id = $lease->getAttribute('repositoryID');
if (!$repository_id) {
throw new Exception(
pht(
"Lease is missing required '%s' attribute.",
'repositoryID'));
}
$repository = id(new PhabricatorRepositoryQuery())
->setViewer(PhabricatorUser::getOmnipotentUser())
->withIDs(array($repository_id))
->executeOne();
if (!$repository) {
throw new Exception(
pht(
"Repository '%s' does not exist!",
$repository_id));
}
switch ($repository->getVersionControlSystem()) {
case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
break;
default:
throw new Exception(pht('Unsupported VCS!'));
}
// TODO: Policy stuff here too.
$host_lease = id(new DrydockLease())
->setResourceType('host')
->waitUntilActive();
$path = $host_lease->getAttribute('path').$repository->getCallsign();
$this->log(
pht('Cloning %s into %s....', $repository->getCallsign(), $path));
$cmd = $host_lease->getInterface('command');
$cmd->execx(
'git clone --origin origin %P %s',
$repository->getRemoteURIEnvelope(),
$path);
$this->log(pht('Complete.'));
$resource = $this->newResourceTemplate(
'Working Copy ('.$repository->getCallsign().')');
$resource->setStatus(DrydockResourceStatus::STATUS_OPEN);
$resource->setAttribute('lease.host', $host_lease->getID());
$resource->setAttribute('path', $path);
$resource->setAttribute('repositoryID', $repository->getID());
$resource->save();
return $resource;
}
protected function executeAcquireLease(
DrydockResource $resource,
DrydockLease $lease) {
return;
}
public function getType() {
return 'working-copy';
}
public function getInterface(
DrydockResource $resource,
DrydockLease $lease,
$type) {
switch ($type) {
case 'command':
return $this
->loadLease($resource->getAttribute('lease.host'))
->getInterface($type);
}
throw new Exception(pht("No interface of type '%s'.", $type));
}
}

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