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DrydockLandRepositoryOperation.php
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Mon, Dec 2, 02:32

DrydockLandRepositoryOperation.php
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<?php
final class DrydockLandRepositoryOperation
extends DrydockRepositoryOperationType {
const OPCONST = 'land';
public function getOperationDescription(
DrydockRepositoryOperation $operation,
PhabricatorUser $viewer) {
return pht('Land Revision');
}
public function getOperationCurrentStatus(
DrydockRepositoryOperation $operation,
PhabricatorUser $viewer) {
$target = $operation->getRepositoryTarget();
$repository = $operation->getRepository();
switch ($operation->getOperationState()) {
case DrydockRepositoryOperation::STATE_WAIT:
return pht(
'Waiting to land revision into %s on %s...',
$repository->getMonogram(),
$target);
case DrydockRepositoryOperation::STATE_WORK:
return pht(
'Landing revision into %s on %s...',
$repository->getMonogram(),
$target);
case DrydockRepositoryOperation::STATE_DONE:
return pht(
'Revision landed into %s.',
$repository->getMonogram());
}
}
public function getWorkingCopyMerges(DrydockRepositoryOperation $operation) {
$repository = $operation->getRepository();
$merges = array();
$object = $operation->getObject();
if ($object instanceof DifferentialRevision) {
$diff = $this->loadDiff($operation);
$merges[] = array(
'src.uri' => $repository->getStagingURI(),
'src.ref' => $diff->getStagingRef(),
);
} else {
throw new Exception(
pht(
'Invalid or unknown object ("%s") for land operation, expected '.
'Differential Revision.',
$operation->getObjectPHID()));
}
return $merges;
}
public function applyOperation(
DrydockRepositoryOperation $operation,
DrydockInterface $interface) {
$viewer = $this->getViewer();
$repository = $operation->getRepository();
$cmd = array();
$arg = array();
$object = $operation->getObject();
if ($object instanceof DifferentialRevision) {
$revision = $object;
$diff = $this->loadDiff($operation);
$dict = $diff->getDiffAuthorshipDict();
$author_name = idx($dict, 'authorName');
$author_email = idx($dict, 'authorEmail');
$api_method = 'differential.getcommitmessage';
$api_params = array(
'revision_id' => $revision->getID(),
);
$commit_message = id(new ConduitCall($api_method, $api_params))
->setUser($viewer)
->execute();
} else {
throw new Exception(
pht(
'Invalid or unknown object ("%s") for land operation, expected '.
'Differential Revision.',
$operation->getObjectPHID()));
}
$target = $operation->getRepositoryTarget();
list($type, $name) = explode(':', $target, 2);
switch ($type) {
case 'branch':
$push_dst = 'refs/heads/'.$name;
break;
default:
throw new Exception(
pht(
'Unknown repository operation target type "%s" (in target "%s").',
$type,
$target));
}
$committer_info = $this->getCommitterInfo($operation);
// NOTE: We're doing this commit with "-F -" so we don't run into trouble
// with enormous commit messages which might otherwise exceed the maximum
// size of a command.
$future = $interface->getExecFuture(
'git -c user.name=%s -c user.email=%s commit --author %s -F - --',
$committer_info['name'],
$committer_info['email'],
"{$author_name} <{$author_email}>");
$future
->write($commit_message)
->resolvex();
$interface->execx(
'git push origin -- %s:%s',
'HEAD',
$push_dst);
}
private function getCommitterInfo(DrydockRepositoryOperation $operation) {
$viewer = $this->getViewer();
$committer_name = null;
$author_phid = $operation->getAuthorPHID();
$object = id(new PhabricatorObjectQuery())
->setViewer($viewer)
->withPHIDs(array($author_phid))
->executeOne();
if ($object) {
if ($object instanceof PhabricatorUser) {
$committer_name = $object->getUsername();
}
}
if (!strlen($committer_name)) {
$committer_name = pht('autocommitter');
}
// TODO: Probably let users choose a VCS email address in settings. For
// now just make something up so we don't leak anyone's stuff.
return array(
'name' => $committer_name,
'email' => 'autocommitter@example.com',
);
}
private function loadDiff(DrydockRepositoryOperation $operation) {
$viewer = $this->getViewer();
$revision = $operation->getObject();
$diff_phid = $operation->getProperty('differential.diffPHID');
$diff = id(new DifferentialDiffQuery())
->setViewer($viewer)
->withPHIDs(array($diff_phid))
->executeOne();
if (!$diff) {
throw new Exception(
pht(
'Unable to load diff "%s".',
$diff_phid));
}
$diff_revid = $diff->getRevisionID();
$revision_id = $revision->getID();
if ($diff_revid != $revision_id) {
throw new Exception(
pht(
'Diff ("%s") has wrong revision ID ("%s", expected "%s").',
$diff_phid,
$diff_revid,
$revision_id));
}
return $diff;
}
public function getBarrierToLanding(
PhabricatorUser $viewer,
DifferentialRevision $revision) {
$repository = $revision->getRepository();
if (!$repository) {
return array(
'title' => pht('No Repository'),
'body' => pht(
'This revision is not associated with a known repository. Only '.
'revisions associated with a tracked repository can be landed '.
'automatically.'),
);
}
if (!$repository->canPerformAutomation()) {
return array(
'title' => pht('No Repository Automation'),
'body' => pht(
'The repository this revision is associated with ("%s") is not '.
'configured to support automation. Configure automation for the '.
'repository to enable revisions to be landed automatically.',
$repository->getMonogram()),
);
}
// TODO: At some point we should allow installs to give "land reviewed
// code" permission to more users than "push any commit", because it is
// a much less powerful operation. For now, just require push so this
// doesn't do anything users can't do on their own.
$can_push = PhabricatorPolicyFilter::hasCapability(
$viewer,
$repository,
DiffusionPushCapability::CAPABILITY);
if (!$can_push) {
return array(
'title' => pht('Unable to Push'),
'body' => pht(
'You do not have permission to push to the repository this '.
'revision is associated with ("%s"), so you can not land it.',
$repository->getMonogram()),
);
}
$status_accepted = ArcanistDifferentialRevisionStatus::ACCEPTED;
if ($revision->getStatus() !== $status_accepted) {
return array(
'title' => pht('Revision Not Accepted'),
'body' => pht(
'This revision is still under review. Only revisions which have '.
'been accepted may land.'),
);
}
// Check for other operations. Eventually this should probably be more
// general (e.g., it's OK to land to multiple different branches
// simultaneously) but just put this in as a sanity check for now.
$other_operations = id(new DrydockRepositoryOperationQuery())
->setViewer($viewer)
->withObjectPHIDs(array($revision->getPHID()))
->withOperationTypes(
array(
$this->getOperationConstant(),
))
->withOperationStates(
array(
DrydockRepositoryOperation::STATE_WAIT,
DrydockRepositoryOperation::STATE_WORK,
DrydockRepositoryOperation::STATE_DONE,
))
->execute();
if ($other_operations) {
$any_done = false;
foreach ($other_operations as $operation) {
if ($operation->isDone()) {
$any_done = true;
break;
}
}
if ($any_done) {
return array(
'title' => pht('Already Complete'),
'body' => pht('This revision has already landed.'),
);
} else {
return array(
'title' => pht('Already In Flight'),
'body' => pht('This revision is already landing.'),
);
}
}
return null;
}
}

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