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PhabricatorRepositoryDiscoveryEngine.php
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PhabricatorRepositoryDiscoveryEngine.php
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			<?php

			/**
			* @task discover Discovering Repositories
			* @task svn Discovering Subversion Repositories
			* @task git Discovering Git Repositories
			* @task hg Discovering Mercurial Repositories
			* @task internal Internals
			*/
			final class PhabricatorRepositoryDiscoveryEngine
			extends PhabricatorRepositoryEngine {

			private $repairMode;
			private $commitCache = array();
			private $workingSet = array();

			const MAX_COMMIT_CACHE_SIZE = 2048;


			/* -( Discovering Repositories )------------------------------------------- */


			public function setRepairMode($repair_mode) {
			$this->repairMode = $repair_mode;
			return $this;
			}


			public function getRepairMode() {
			return $this->repairMode;
			}


			/**
			* @task discovery
			*/
			public function discoverCommits() {
			$repository = $this->getRepository();

			$lock = $this->newRepositoryLock($repository, 'repo.look', false);

			try {
			$lock->lock();
			} catch (PhutilLockException $ex) {
			throw new DiffusionDaemonLockException(
			pht(
			'Another process is currently discovering repository "%s", '.
			'skipping discovery.',
			$repository->getDisplayName()));
			}

			try {
			$result = $this->discoverCommitsWithLock();
			} catch (Exception $ex) {
			$lock->unlock();
			throw $ex;
			}

			$lock->unlock();

			return $result;
			}

			private function discoverCommitsWithLock() {
			$repository = $this->getRepository();
			$viewer = $this->getViewer();

			$vcs = $repository->getVersionControlSystem();
			switch ($vcs) {
			case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
			$refs = $this->discoverSubversionCommits();
			break;
			case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
			$refs = $this->discoverMercurialCommits();
			break;
			case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
			$refs = $this->discoverGitCommits();
			break;
			default:
			throw new Exception(pht("Unknown VCS '%s'!", $vcs));
			}

			if ($this->isInitialImport($refs)) {
			$this->log(
			pht(
			'Discovered more than %s commit(s) in an empty repository, '.
			'marking repository as importing.',
			new PhutilNumber(PhabricatorRepository::IMPORT_THRESHOLD)));

			$repository->markImporting();
			}

			// Clear the working set cache.
			$this->workingSet = array();

			// Record discovered commits and mark them in the cache.
			foreach ($refs as $ref) {
			$this->recordCommit(
			$repository,
			$ref->getIdentifier(),
			$ref->getEpoch(),
			$ref->getCanCloseImmediately(),
			$ref->getParents());

			$this->commitCache[$ref->getIdentifier()] = true;
			}

			$this->markUnreachableCommits($repository);

			$version = $this->getObservedVersion($repository);
			if ($version !== null) {
			id(new DiffusionRepositoryClusterEngine())
			->setViewer($viewer)
			->setRepository($repository)
			->synchronizeWorkingCopyAfterDiscovery($version);
			}

			return $refs;
			}


			/* -( Discovering Git Repositories )--------------------------------------- */


			/**
			* @task git
			*/
			private function discoverGitCommits() {
			$repository = $this->getRepository();

			if (!$repository->isHosted()) {
			$this->verifyGitOrigin($repository);
			}

			$heads = id(new DiffusionLowLevelGitRefQuery())
			->setRepository($repository)
			->execute();

			if (!$heads) {
			// This repository has no heads at all, so we don't need to do
			// anything. Generally, this means the repository is empty.
			return array();
			}

			$heads = $this->sortRefs($heads);
			$head_commits = mpull($heads, 'getCommitIdentifier');

			$this->log(
			pht(
			'Discovering commits in repository "%s".',
			$repository->getDisplayName()));

			$this->fillCommitCache($head_commits);

			$refs = array();
			foreach ($heads as $ref) {
			$name = $ref->getShortName();
			$commit = $ref->getCommitIdentifier();

			$this->log(
			pht(
			'Examining "%s" (%s) at "%s".',
			$name,
			$ref->getRefType(),
			$commit));

			if (!$repository->shouldTrackRef($ref)) {
			$this->log(pht('Skipping, ref is untracked.'));
			continue;
			}

			if ($this->isKnownCommit($commit)) {
			$this->log(pht('Skipping, HEAD is known.'));
			continue;
			}

			// In Git, it's possible to tag anything. We just skip tags that don't
			// point to a commit. See T11301.
			$fields = $ref->getRawFields();
			$ref_type = idx($fields, 'objecttype');
			$tag_type = idx($fields, '*objecttype');
			if ($ref_type != 'commit' && $tag_type != 'commit') {
			$this->log(pht('Skipping, this is not a commit.'));
			continue;
			}

			$this->log(pht('Looking for new commits.'));

			$head_refs = $this->discoverStreamAncestry(
			new PhabricatorGitGraphStream($repository, $commit),
			$commit,
			$repository->shouldAutocloseRef($ref));

			$this->didDiscoverRefs($head_refs);

			$refs[] = $head_refs;
			}

			return array_mergev($refs);
			}


			/* -( Discovering Subversion Repositories )-------------------------------- */


			/**
			* @task svn
			*/
			private function discoverSubversionCommits() {
			$repository = $this->getRepository();

			if (!$repository->isHosted()) {
			$this->verifySubversionRoot($repository);
			}

			$upper_bound = null;
			$limit = 1;
			$refs = array();
			do {
			// Find all the unknown commits on this path. Note that we permit
			// importing an SVN subdirectory rather than the entire repository, so
			// commits may be nonsequential.

			if ($upper_bound === null) {
			$at_rev = 'HEAD';
			} else {
			$at_rev = ($upper_bound - 1);
			}

			try {
			list($xml, $stderr) = $repository->execxRemoteCommand(
			'log --xml --quiet --limit %d %s',
			$limit,
			$repository->getSubversionBaseURI($at_rev));
			} catch (CommandException $ex) {
			$stderr = $ex->getStdErr();
			if (preg_match('/(path\|File) not found/', $stderr)) {
			// We've gone all the way back through history and this path was not
			// affected by earlier commits.
			break;
			}
			throw $ex;
			}

			$xml = phutil_utf8ize($xml);
			$log = new SimpleXMLElement($xml);
			foreach ($log->logentry as $entry) {
			$identifier = (int)$entry['revision'];
			$epoch = (int)strtotime((string)$entry->date[0]);
			$refs[$identifier] = id(new PhabricatorRepositoryCommitRef())
			->setIdentifier($identifier)
			->setEpoch($epoch)
			->setCanCloseImmediately(true);

			if ($upper_bound === null) {
			$upper_bound = $identifier;
			} else {
			$upper_bound = min($upper_bound, $identifier);
			}
			}

			// Discover 2, 4, 8, ... 256 logs at a time. This allows us to initially
			// import large repositories fairly quickly, while pulling only as much
			// data as we need in the common case (when we've already imported the
			// repository and are just grabbing one commit at a time).
			$limit = min($limit * 2, 256);

			} while ($upper_bound > 1 && !$this->isKnownCommit($upper_bound));

			krsort($refs);
			while ($refs && $this->isKnownCommit(last($refs)->getIdentifier())) {
			array_pop($refs);
			}
			$refs = array_reverse($refs);

			$this->didDiscoverRefs($refs);

			return $refs;
			}


			private function verifySubversionRoot(PhabricatorRepository $repository) {
			list($xml) = $repository->execxRemoteCommand(
			'info --xml %s',
			$repository->getSubversionPathURI());

			$xml = phutil_utf8ize($xml);
			$xml = new SimpleXMLElement($xml);

			$remote_root = (string)($xml->entry[0]->repository[0]->root[0]);
			$expect_root = $repository->getSubversionPathURI();

			$normal_type_svn = PhabricatorRepositoryURINormalizer::TYPE_SVN;

			$remote_normal = id(new PhabricatorRepositoryURINormalizer(
			$normal_type_svn,
			$remote_root))->getNormalizedPath();

			$expect_normal = id(new PhabricatorRepositoryURINormalizer(
			$normal_type_svn,
			$expect_root))->getNormalizedPath();

			if ($remote_normal != $expect_normal) {
			throw new Exception(
			pht(
			'Repository "%s" does not have a correctly configured remote URI. '.
			'The remote URI for a Subversion repository MUST point at the '.
			'repository root. The root for this repository is "%s", but the '.
			'configured URI is "%s". To resolve this error, set the remote URI '.
			'to point at the repository root. If you want to import only part '.
			'of a Subversion repository, use the "Import Only" option.',
			$repository->getDisplayName(),
			$remote_root,
			$expect_root));
			}
			}


			/* -( Discovering Mercurial Repositories )--------------------------------- */


			/**
			* @task hg
			*/
			private function discoverMercurialCommits() {
			$repository = $this->getRepository();

			$branches = id(new DiffusionLowLevelMercurialBranchesQuery())
			->setRepository($repository)
			->execute();

			$this->fillCommitCache(mpull($branches, 'getCommitIdentifier'));

			$refs = array();
			foreach ($branches as $branch) {
			// NOTE: Mercurial branches may have multiple heads, so the names may
			// not be unique.
			$name = $branch->getShortName();
			$commit = $branch->getCommitIdentifier();

			$this->log(pht('Examining branch "%s" head "%s".', $name, $commit));
			if (!$repository->shouldTrackBranch($name)) {
			$this->log(pht('Skipping, branch is untracked.'));
			continue;
			}

			if ($this->isKnownCommit($commit)) {
			$this->log(pht('Skipping, this head is a known commit.'));
			continue;
			}

			$this->log(pht('Looking for new commits.'));

			$branch_refs = $this->discoverStreamAncestry(
			new PhabricatorMercurialGraphStream($repository, $commit),
			$commit,
			$close_immediately = true);

			$this->didDiscoverRefs($branch_refs);

			$refs[] = $branch_refs;
			}

			return array_mergev($refs);
			}


			/* -( Internals )---------------------------------------------------------- */


			private function discoverStreamAncestry(
			PhabricatorRepositoryGraphStream $stream,
			$commit,
			$close_immediately) {

			$discover = array($commit);
			$graph = array();
			$seen = array();

			// Find all the reachable, undiscovered commits. Build a graph of the
			// edges.
			while ($discover) {
			$target = array_pop($discover);

			if (empty($graph[$target])) {
			$graph[$target] = array();
			}

			$parents = $stream->getParents($target);
			foreach ($parents as $parent) {
			if ($this->isKnownCommit($parent)) {
			continue;
			}

			$graph[$target][$parent] = true;

			if (empty($seen[$parent])) {
			$seen[$parent] = true;
			$discover[] = $parent;
			}
			}
			}

			// Now, sort them topographically.
			$commits = $this->reduceGraph($graph);

			$refs = array();
			foreach ($commits as $commit) {
			$epoch = $stream->getCommitDate($commit);

			// If the epoch doesn't fit into a uint32, treat it as though it stores
			// the current time. For discussion, see T11537.
			if ($epoch > 0xFFFFFFFF) {
			$epoch = PhabricatorTime::getNow();
			}

			$refs[] = id(new PhabricatorRepositoryCommitRef())
			->setIdentifier($commit)
			->setEpoch($epoch)
			->setCanCloseImmediately($close_immediately)
			->setParents($stream->getParents($commit));
			}

			return $refs;
			}


			private function reduceGraph(array $edges) {
			foreach ($edges as $commit => $parents) {
			$edges[$commit] = array_keys($parents);
			}

			$graph = new PhutilDirectedScalarGraph();
			$graph->addNodes($edges);

			$commits = $graph->getTopographicallySortedNodes();

			// NOTE: We want the most ancestral nodes first, so we need to reverse the
			// list we get out of AbstractDirectedGraph.
			$commits = array_reverse($commits);

			return $commits;
			}


			private function isKnownCommit($identifier) {
			if (isset($this->commitCache[$identifier])) {
			return true;
			}

			if (isset($this->workingSet[$identifier])) {
			return true;
			}

			if ($this->repairMode) {
			// In repair mode, rediscover the entire repository, ignoring the
			// database state. We can hit the local cache above, but if we miss it
			// stop the script from going to the database cache.
			return false;
			}

			$this->fillCommitCache(array($identifier));

			return isset($this->commitCache[$identifier]);
			}

			private function fillCommitCache(array $identifiers) {
			if (!$identifiers) {
			return;
			}

			// When filling the cache we ignore commits which have been marked as
			// unreachable, treating them as though they do not exist. When recording
			// commits later we'll revive commits that exist but are unreachable.

			$commits = id(new PhabricatorRepositoryCommit())->loadAllWhere(
			'repositoryID = %d AND commitIdentifier IN (%Ls)
			AND (importStatus & %d) != %d',
			$this->getRepository()->getID(),
			$identifiers,
			PhabricatorRepositoryCommit::IMPORTED_UNREACHABLE,
			PhabricatorRepositoryCommit::IMPORTED_UNREACHABLE);

			foreach ($commits as $commit) {
			$this->commitCache[$commit->getCommitIdentifier()] = true;
			}

			while (count($this->commitCache) > self::MAX_COMMIT_CACHE_SIZE) {
			array_shift($this->commitCache);
			}
			}

			/**
			* Sort branches so we process closeable branches first. This makes the
			* whole import process a little cheaper, since we can close these commits
			* the first time through rather than catching them in the refs step.
			*
			* @task internal
			*
			* @param list<DiffusionRepositoryRef> List of refs.
			* @return list<DiffusionRepositoryRef> Sorted list of refs.
			*/
			private function sortRefs(array $refs) {
			$repository = $this->getRepository();

			$head_refs = array();
			$tail_refs = array();
			foreach ($refs as $ref) {
			if ($repository->shouldAutocloseRef($ref)) {
			$head_refs[] = $ref;
			} else {
			$tail_refs[] = $ref;
			}
			}

			return array_merge($head_refs, $tail_refs);
			}


			private function recordCommit(
			PhabricatorRepository $repository,
			$commit_identifier,
			$epoch,
			$close_immediately,
			array $parents) {

			$commit = new PhabricatorRepositoryCommit();
			$conn_w = $repository->establishConnection('w');

			// First, try to revive an existing unreachable commit (if one exists) by
			// removing the "unreachable" flag. If we succeed, we don't need to do
			// anything else: we already discovered this commit some time ago.
			queryfx(
			$conn_w,
			'UPDATE %T SET importStatus = (importStatus & ~%d)
			WHERE repositoryID = %d AND commitIdentifier = %s',
			$commit->getTableName(),
			PhabricatorRepositoryCommit::IMPORTED_UNREACHABLE,
			$repository->getID(),
			$commit_identifier);
			if ($conn_w->getAffectedRows()) {
			$commit = $commit->loadOneWhere(
			'repositoryID = %d AND commitIdentifier = %s',
			$repository->getID(),
			$commit_identifier);

			// After reviving a commit, schedule new daemons for it.
			$this->didDiscoverCommit($repository, $commit, $epoch);
			return;
			}

			$commit->setRepositoryID($repository->getID());
			$commit->setCommitIdentifier($commit_identifier);
			$commit->setEpoch($epoch);
			if ($close_immediately) {
			$commit->setImportStatus(PhabricatorRepositoryCommit::IMPORTED_CLOSEABLE);
			}

			$data = new PhabricatorRepositoryCommitData();

			try {
			// If this commit has parents, look up their IDs. The parent commits
			// should always exist already.

			$parent_ids = array();
			if ($parents) {
			$parent_rows = queryfx_all(
			$conn_w,
			'SELECT id, commitIdentifier FROM %T
			WHERE commitIdentifier IN (%Ls) AND repositoryID = %d',
			$commit->getTableName(),
			$parents,
			$repository->getID());

			$parent_map = ipull($parent_rows, 'id', 'commitIdentifier');

			foreach ($parents as $parent) {
			if (empty($parent_map[$parent])) {
			throw new Exception(
			pht('Unable to identify parent "%s"!', $parent));
			}
			$parent_ids[] = $parent_map[$parent];
			}
			} else {
			// Write an explicit 0 so we can distinguish between "really no
			// parents" and "data not available".
			if (!$repository->isSVN()) {
			$parent_ids = array(0);
			}
			}

			$commit->openTransaction();
			$commit->save();

			$data->setCommitID($commit->getID());
			$data->save();

			foreach ($parent_ids as $parent_id) {
			queryfx(
			$conn_w,
			'INSERT IGNORE INTO %T (childCommitID, parentCommitID)
			VALUES (%d, %d)',
			PhabricatorRepository::TABLE_PARENTS,
			$commit->getID(),
			$parent_id);
			}
			$commit->saveTransaction();

			$this->didDiscoverCommit($repository, $commit, $epoch);

			if ($this->repairMode) {
			// Normally, the query should throw a duplicate key exception. If we
			// reach this in repair mode, we've actually performed a repair.
			$this->log(pht('Repaired commit "%s".', $commit_identifier));
			}

			PhutilEventEngine::dispatchEvent(
			new PhabricatorEvent(
			PhabricatorEventType::TYPE_DIFFUSION_DIDDISCOVERCOMMIT,
			array(
			'repository' => $repository,
			'commit' => $commit,
			)));

			} catch (AphrontDuplicateKeyQueryException $ex) {
			$commit->killTransaction();
			// Ignore. This can happen because we discover the same new commit
			// more than once when looking at history, or because of races or
			// data inconsistency or cosmic radiation; in any case, we're still
			// in a good state if we ignore the failure.
			}
			}

			private function didDiscoverCommit(
			PhabricatorRepository $repository,
			PhabricatorRepositoryCommit $commit,
			$epoch) {

			$this->insertTask($repository, $commit);

			// Update the repository summary table.
			queryfx(
			$commit->establishConnection('w'),
			'INSERT INTO %T (repositoryID, size, lastCommitID, epoch)
			VALUES (%d, 1, %d, %d)
			ON DUPLICATE KEY UPDATE
			size = size + 1,
			lastCommitID =
			IF(VALUES(epoch) > epoch, VALUES(lastCommitID), lastCommitID),
			epoch = IF(VALUES(epoch) > epoch, VALUES(epoch), epoch)',
			PhabricatorRepository::TABLE_SUMMARY,
			$repository->getID(),
			$commit->getID(),
			$epoch);
			}

			private function didDiscoverRefs(array $refs) {
			foreach ($refs as $ref) {
			$this->workingSet[$ref->getIdentifier()] = true;
			}
			}

			private function insertTask(
			PhabricatorRepository $repository,
			PhabricatorRepositoryCommit $commit,
			$data = array()) {

			$vcs = $repository->getVersionControlSystem();
			switch ($vcs) {
			case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
			$class = 'PhabricatorRepositoryGitCommitMessageParserWorker';
			break;
			case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
			$class = 'PhabricatorRepositorySvnCommitMessageParserWorker';
			break;
			case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
			$class = 'PhabricatorRepositoryMercurialCommitMessageParserWorker';
			break;
			default:
			throw new Exception(pht("Unknown repository type '%s'!", $vcs));
			}

			$data['commitID'] = $commit->getID();

			PhabricatorWorker::scheduleTask($class, $data);
			}

			private function isInitialImport(array $refs) {
			$commit_count = count($refs);

			if ($commit_count <= PhabricatorRepository::IMPORT_THRESHOLD) {
			// If we fetched a small number of commits, assume it's an initial
			// commit or a stack of a few initial commits.
			return false;
			}

			$viewer = $this->getViewer();
			$repository = $this->getRepository();

			$any_commits = id(new DiffusionCommitQuery())
			->setViewer($viewer)
			->withRepository($repository)
			->setLimit(1)
			->execute();

			if ($any_commits) {
			// If the repository already has commits, this isn't an import.
			return false;
			}

			return true;
			}


			private function getObservedVersion(PhabricatorRepository $repository) {
			if ($repository->isHosted()) {
			return null;
			}

			if ($repository->isGit()) {
			return $this->getGitObservedVersion($repository);
			}

			return null;
			}

			private function getGitObservedVersion(PhabricatorRepository $repository) {
			$refs = id(new DiffusionLowLevelGitRefQuery())
			->setRepository($repository)
			->execute();
			if (!$refs) {
			return null;
			}

			// In Git, the observed version is the most recently discovered commit
			// at any repository HEAD. It's possible for this to regress temporarily
			// if a branch is pushed and then deleted. This is acceptable because it
			// doesn't do anything meaningfully bad and will fix itself on the next
			// push.

			$ref_identifiers = mpull($refs, 'getCommitIdentifier');
			$ref_identifiers = array_fuse($ref_identifiers);

			$version = queryfx_one(
			$repository->establishConnection('w'),
			'SELECT MAX(id) version FROM %T WHERE repositoryID = %d
			AND commitIdentifier IN (%Ls)',
			id(new PhabricatorRepositoryCommit())->getTableName(),
			$repository->getID(),
			$ref_identifiers);

			if (!$version) {
			return null;
			}

			return (int)$version['version'];
			}

			private function markUnreachableCommits(PhabricatorRepository $repository) {
			// For now, this is only supported for Git.
			if (!$repository->isGit()) {
			return;
			}

			// Find older versions of refs which we haven't processed yet. We're going
			// to make sure their commits are still reachable.
			$old_refs = id(new PhabricatorRepositoryOldRef())->loadAllWhere(
			'repositoryPHID = %s',
			$repository->getPHID());

			// If we don't have any refs to update, bail out before building a graph
			// stream. In particular, this improves behavior in empty repositories,
			// where `git log` exits with an error.
			if (!$old_refs) {
			return;
			}

			// We can share a single graph stream across all the checks we need to do.
			$stream = new PhabricatorGitGraphStream($repository);

			foreach ($old_refs as $old_ref) {
			$identifier = $old_ref->getCommitIdentifier();
			$this->markUnreachableFrom($repository, $stream, $identifier);

			// If nothing threw an exception, we're all done with this ref.
			$old_ref->delete();
			}
			}

			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);
			}
			}

			private function rebuildSummaryTable(PhabricatorRepository $repository) {
			$conn_w = $repository->establishConnection('w');

			$data = queryfx_one(
			$conn_w,
			'SELECT COUNT(*) N, MAX(id) id, MAX(epoch) epoch
			FROM %T WHERE repositoryID = %d AND (importStatus & %d) != %d',
			id(new PhabricatorRepositoryCommit())->getTableName(),
			$repository->getID(),
			PhabricatorRepositoryCommit::IMPORTED_UNREACHABLE,
			PhabricatorRepositoryCommit::IMPORTED_UNREACHABLE);

			queryfx(
			$conn_w,
			'INSERT INTO %T (repositoryID, size, lastCommitID, epoch)
			VALUES (%d, %d, %d, %d)
			ON DUPLICATE KEY UPDATE
			size = VALUES(size),
			lastCommitID = VALUES(lastCommitID),
			epoch = VALUES(epoch)',
			PhabricatorRepository::TABLE_SUMMARY,
			$repository->getID(),
			$data['N'],
			$data['id'],
			$data['epoch']);
			}

			}

phab/src/applications/repository/engine/PhabricatorRepositoryDiscoveryEngine.phpd952dd591266production

PhabricatorRepositoryDiscoveryEngine.phpView Options

phab/src/applications/repository/engine/PhabricatorRepositoryDiscoveryEngine.php
d952dd591266production

PhabricatorRepositoryDiscoveryEngine.php
View Options