private function markReachable(PhabricatorRepository $repository)
{
if (!$repository->isGit()) {
throw new PhutilArgumentUsageException(pht('Only Git repositories are supported, this repository ("%s") is ' . 'not a Git repository.', $repository->getDisplayName()));
}
$viewer = $this->getViewer();
$commits = id(new DiffusionCommitQuery())->setViewer($viewer)->withRepository($repository)->execute();
$flag = PhabricatorRepositoryCommit::IMPORTED_UNREACHABLE;
$graph = new PhabricatorGitGraphStream($repository);
foreach ($commits as $commit) {
$identifier = $commit->getCommitIdentifier();
try {
$graph->getCommitDate($identifier);
$unreachable = false;
} catch (Exception $ex) {
$unreachable = true;
}
// The commit has proper reachability, so do nothing.
if ($commit->isUnreachable() === $unreachable) {
$this->untouchedCount++;
continue;
}
if ($unreachable) {
echo tsprintf("%s: %s\n", $commit->getMonogram(), pht('Marking commit unreachable.'));
$commit->writeImportStatusFlag($flag);
} else {
echo tsprintf("%s: %s\n", $commit->getMonogram(), pht('Marking commit reachable.'));
$commit->clearImportStatusFlag($flag);
}
}
}
private function markUnreachableFrom(PhabricatorRepository $repository, PhabricatorGitGraphStream $stream, $identifier)
{
$unreachable = array();
$commit = id(new PhabricatorRepositoryCommit())->loadOneWhere('repositoryID = %s AND commitIdentifier = %s', $repository->getID(), $identifier);
if (!$commit) {
return;
}
$look = array($commit);
$seen = array();
while ($look) {
$target = array_pop($look);
// If we've already checked this commit (for example, because history
// branches and then merges) we don't need to check it again.
$target_identifier = $target->getCommitIdentifier();
if (isset($seen[$target_identifier])) {
continue;
}
$seen[$target_identifier] = true;
try {
$stream->getCommitDate($target_identifier);
$reachable = true;
} catch (Exception $ex) {
$reachable = false;
}
if ($reachable) {
// This commit is reachable, so we don't need to go any further
// down this road.
continue;
}
$unreachable[] = $target;
// Find the commit's parents and check them for reachability, too. We
// have to look in the database since we no may longer have the commit
// in the repository.
$rows = queryfx_all($commit->establishConnection('w'), 'SELECT commit.* FROM %T commit
JOIN %T parents ON commit.id = parents.parentCommitID
WHERE parents.childCommitID = %d', $commit->getTableName(), PhabricatorRepository::TABLE_PARENTS, $target->getID());
if (!$rows) {
continue;
}
$parents = id(new PhabricatorRepositoryCommit())->loadAllFromArray($rows);
foreach ($parents as $parent) {
$look[] = $parent;
}
}
$unreachable = array_reverse($unreachable);
$flag = PhabricatorRepositoryCommit::IMPORTED_UNREACHABLE;
foreach ($unreachable as $unreachable_commit) {
$unreachable_commit->writeImportStatusFlag($flag);
}
// If anything was unreachable, just rebuild the whole summary table.
// We can't really update it incrementally when a commit becomes
// unreachable.
if ($unreachable) {
$this->rebuildSummaryTable($repository);
}
}
/**
* @task git
*/
private function executeGitDiscoverCommit(PhabricatorRepository $repository, $commit, $branch, $autoclose)
{
$discover = array($commit);
$insert = array($commit);
$seen_parent = array();
$stream = new PhabricatorGitGraphStream($repository, $commit);
while (true) {
$target = array_pop($discover);
$parents = $stream->getParents($target);
foreach ($parents as $parent) {
if (isset($seen_parent[$parent])) {
// We end up in a loop here somehow when we parse Arcanist if we
// don't do this. TODO: Figure out why and draw a pretty diagram
// since it's not evident how parsing a DAG with this causes the
// loop to stop terminating.
continue;
}
$seen_parent[$parent] = true;
if ($autoclose) {
$known = $this->isKnownCommitOnAnyAutocloseBranch($repository, $parent);
} else {
$known = $this->isKnownCommit($repository, $parent);
}
if (!$known) {
$this->log("Discovered commit '{$parent}'.");
$discover[] = $parent;
$insert[] = $parent;
}
}
if (empty($discover)) {
break;
}
}
$n = count($insert);
if ($autoclose) {
$this->log("Found {$n} new autoclose commits on branch '{$branch}'.");
} else {
$this->log("Found {$n} new commits on branch '{$branch}'.");
}
while (true) {
$target = array_pop($insert);
$epoch = $stream->getCommitDate($target);
$epoch = trim($epoch);
if ($autoclose) {
$this->updateCommit($repository, $target, $branch);
} else {
$this->recordCommit($repository, $target, $epoch, $branch);
}
if (empty($insert)) {
break;
}
}
}