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phorge/src/applications/diffusion/query/DiffusionCommitRevisionQuery.php
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DiffusionCommitRevisionQuery.php
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<?php
final class DiffusionCommitRevisionQuery
extends Phobject {
public static function loadRevisionMapForCommits(
PhabricatorUser $viewer,
array $commits) {
assert_instances_of($commits, 'PhabricatorRepositoryCommit');
if (!$commits) {
return array();
}
$commit_phids = mpull($commits, 'getPHID');
$edge_query = id(new PhabricatorEdgeQuery())
->withSourcePHIDs($commit_phids)
->withEdgeTypes(
array(
DiffusionCommitHasRevisionEdgeType::EDGECONST,
));
$edge_query->execute();
$revision_phids = $edge_query->getDestinationPHIDs();
if (!$revision_phids) {
return array();
}
$revisions = id(new DifferentialRevisionQuery())
->setViewer($viewer)
->withPHIDs($revision_phids)
->execute();
$revisions = mpull($revisions, null, 'getPHID');
$map = array();
foreach ($commit_phids as $commit_phid) {
$revision_phids = $edge_query->getDestinationPHIDs(
array(
$commit_phid,
));
$map[$commit_phid] = array_select_keys($revisions, $revision_phids);
}
return $map;
}
public static function loadRevisionForCommit(
PhabricatorUser $viewer,
PhabricatorRepositoryCommit $commit) {
$data = $commit->getCommitData();
$revision_id = $data->getCommitDetail('differential.revisionID');
if (!$revision_id) {
return null;
}
return id(new DifferentialRevisionQuery())
->setViewer($viewer)
->withIDs(array($revision_id))
->needReviewers(true)
->executeOne();
}
public static function loadRevertedObjects(
PhabricatorUser $viewer,
$source_object,
array $object_names,
PhabricatorRepository $repository_scope = null) {
// Fetch commits first, since we need to load data on commits in order
// to identify associated revisions later on.
$commit_query = id(new DiffusionCommitQuery())
->setViewer($viewer)
->withIdentifiers($object_names)
->needCommitData(true);
// If we're acting in a specific repository, only allow commits in that
// repository to be affected: when commit X reverts commit Y by hash, we
// only want to revert commit Y in the same repository, even if other
// repositories have a commit with the same hash.
if ($repository_scope) {
$commit_query->withRepository($repository_scope);
}
$objects = $commit_query->execute();
$more_objects = id(new PhabricatorObjectQuery())
->setViewer($viewer)
->withNames($object_names)
->withTypes(
array(
DifferentialRevisionPHIDType::TYPECONST,
))
->execute();
foreach ($more_objects as $object) {
$objects[] = $object;
}
// See PHI1008 and T13276. If something reverts commit X, we also revert
// any associated revision.
// For now, we don't try to find associated commits if something reverts
// revision Y. This is less common, although we could make more of an
// effort in the future.
foreach ($objects as $object) {
if (!($object instanceof PhabricatorRepositoryCommit)) {
continue;
}
// NOTE: If our object "reverts X", where "X" is a commit hash, it is
// possible that "X" will not have parsed yet, so we'll fail to find
// a revision even though one exists.
// For now, do nothing. It's rare to push a commit which reverts some
// commit "X" before "X" has parsed, so we expect this to be unusual.
$revision = self::loadRevisionForCommit(
$viewer,
$object);
if ($revision) {
$objects[] = $revision;
}
}
$objects = mpull($objects, null, 'getPHID');
// Prevent an object from reverting itself, although this would be very
// clever in Git or Mercurial.
unset($objects[$source_object->getPHID()]);
return $objects;
}
}

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