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phorge/src/applications/drydock/operation/DrydockLandRepositoryOperation.php
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DrydockLandRepositoryOperation.php
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<?php
final class DrydockLandRepositoryOperation
extends DrydockRepositoryOperationType {
const OPCONST = 'land';
const PHASE_PUSH = 'op.land.push';
const PHASE_COMMIT = 'op.land.commit';
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);
try {
$future->resolvex();
} catch (CommandException $ex) {
$display_command = csprintf('git commit');
// TODO: One reason this can fail is if the changes have already been
// merged. We could try to detect that.
$error = DrydockCommandError::newFromCommandException($ex)
->setPhase(self::PHASE_COMMIT)
->setDisplayCommand($display_command);
$operation->setCommandError($error->toDictionary());
throw $ex;
}
try {
$interface->execx(
'git push origin -- %s:%s',
'HEAD',
$push_dst);
} catch (CommandException $ex) {
$display_command = csprintf(
'git push origin %R:%R',
'HEAD',
$push_dst);
$error = DrydockCommandError::newFromCommandException($ex)
->setPhase(self::PHASE_PUSH)
->setDisplayCommand($display_command);
$operation->setCommandError($error->toDictionary());
throw $ex;
}
}
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()),
);
}
// Check if this diff was pushed to a staging area.
$diff = id(new DifferentialDiffQuery())
->setViewer($viewer)
->withIDs(array($revision->getActiveDiff()->getID()))
->needProperties(true)
->executeOne();
// Older diffs won't have this property. They may still have been pushed.
// At least for now, assume staging changes are present if the property
// is missing. This should smooth the transition to the more formal
// approach.
$has_staging = $diff->hasDiffProperty('arc.staging');
if ($has_staging) {
$staging = $diff->getProperty('arc.staging');
if (!is_array($staging)) {
$staging = array();
}
$status = idx($staging, 'status');
if ($status != ArcanistDiffWorkflow::STAGING_PUSHED) {
return $this->getBarrierToLandingFromStagingStatus($status);
}
}
// 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.',
$repository->getMonogram()),
);
}
if ($revision->isAccepted()) {
// We can land accepted revisions, so continue below. Otherwise, raise
// an error with tailored messaging for the most common cases.
} else if ($revision->isAbandoned()) {
return array(
'title' => pht('Revision Abandoned'),
'body' => pht(
'This revision has been abandoned. Only accepted revisions '.
'may land.'),
);
} else if ($revision->isClosed()) {
return array(
'title' => pht('Revision Closed'),
'body' => pht(
'This revision has already been closed. Only open, accepted '.
'revisions may land.'),
);
} else {
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;
}
private function getBarrierToLandingFromStagingStatus($status) {
switch ($status) {
case ArcanistDiffWorkflow::STAGING_USER_SKIP:
return array(
'title' => pht('Staging Area Skipped'),
'body' => pht(
'The diff author used the %s flag to skip pushing this change to '.
'staging. Changes must be pushed to staging before they can be '.
'landed from the web.',
phutil_tag('tt', array(), '--skip-staging')),
);
case ArcanistDiffWorkflow::STAGING_DIFF_RAW:
return array(
'title' => pht('Raw Diff Source'),
'body' => pht(
'The diff was generated from a raw input source, so the change '.
'could not be pushed to staging. Changes must be pushed to '.
'staging before they can be landed from the web.'),
);
case ArcanistDiffWorkflow::STAGING_REPOSITORY_UNKNOWN:
return array(
'title' => pht('Unknown Repository'),
'body' => pht(
'When the diff was generated, the client was not able to '.
'determine which repository it belonged to, so the change '.
'was not pushed to staging. Changes must be pushed to staging '.
'before they can be landed from the web.'),
);
case ArcanistDiffWorkflow::STAGING_REPOSITORY_UNAVAILABLE:
return array(
'title' => pht('Staging Unavailable'),
'body' => pht(
'When this diff was generated, the server was running an older '.
'version of the software which did not support staging areas, so '.
'the change was not pushed to staging. Changes must be pushed '.
'to staging before they can be landed from the web.'),
);
case ArcanistDiffWorkflow::STAGING_REPOSITORY_UNSUPPORTED:
return array(
'title' => pht('Repository Unsupported'),
'body' => pht(
'When this diff was generated, the server was running an older '.
'version of the software which did not support staging areas for '.
'this version control system, so the change was not pushed to '.
'staging. Changes must be pushed to staging before they can be '.
'landed from the web.'),
);
case ArcanistDiffWorkflow::STAGING_REPOSITORY_UNCONFIGURED:
return array(
'title' => pht('Repository Unconfigured'),
'body' => pht(
'When this diff was generated, the repository was not configured '.
'with a staging area, so the change was not pushed to staging. '.
'Changes must be pushed to staging before they can be landed '.
'from the web.'),
);
case ArcanistDiffWorkflow::STAGING_CLIENT_UNSUPPORTED:
return array(
'title' => pht('Client Support Unavailable'),
'body' => pht(
'When this diff was generated, the client did not support '.
'staging areas for this version control system, so the change '.
'was not pushed to staging. Changes must be pushed to staging '.
'before they can be landed from the web. Updating the client '.
'may resolve this issue.'),
);
default:
return array(
'title' => pht('Unknown Error'),
'body' => pht(
'When this diff was generated, it was not pushed to staging for '.
'an unknown reason (the status code was "%s"). Changes must be '.
'pushed to staging before they can be landed from the web. '.
'The server may be running an out-of-date version of this '.
'software, and updating may provide more information about this '.
'error.',
$status),
);
}
}
}

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