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	diff --git a/scripts/ssh/ssh-connect.php b/scripts/ssh/ssh-connect.php
	index 03e1caa77a..f02bafb936 100755
	--- a/scripts/ssh/ssh-connect.php
	+++ b/scripts/ssh/ssh-connect.php
	@@ -1,57 +1,43 @@
	#!/usr/bin/env php
	<?php

	// This is a wrapper script for Git, Mercurial, and Subversion. It primarily
	// serves to inject "-o StrictHostKeyChecking=no" into the SSH arguments.

	$root = dirname(dirname(dirname(__FILE__)));
	require_once $root.'/scripts/__init_script__.php';

	-$target_name = getenv('PHABRICATOR_SSH_TARGET');
	-if (!$target_name) {
	- throw new Exception(pht("No 'PHABRICATOR_SSH_TARGET' in environment!"));
	-}
	-
	-$viewer = PhabricatorUser::getOmnipotentUser();
	-
	-$repository = id(new PhabricatorRepositoryQuery())
	- ->setViewer($viewer)
	- ->withCallsigns(array($target_name))
	- ->executeOne();
	-if (!$repository) {
	- throw new Exception(pht('No repository with callsign "%s"!', $target_name));
	-}
	-
	$pattern = array();
	$arguments = array();

	$pattern[] = 'ssh';

	$pattern[] = '-o';
	$pattern[] = 'StrictHostKeyChecking=no';

	-$credential_phid = $repository->getCredentialPHID();
	+$credential_phid = getenv('PHABRICATOR_CREDENTIAL');
	if ($credential_phid) {
	+ $viewer = PhabricatorUser::getOmnipotentUser();
	$key = PassphraseSSHKey::loadFromPHID($credential_phid, $viewer);

	$pattern[] = '-l %P';
	$arguments[] = $key->getUsernameEnvelope();
	$pattern[] = '-i %P';
	$arguments[] = $key->getKeyfileEnvelope();
	}

	$pattern[] = '--';

	$passthru_args = array_slice($argv, 1);
	foreach ($passthru_args as $passthru_arg) {
	$pattern[] = '%s';
	$arguments[] = $passthru_arg;
	}

	$pattern = implode(' ', $pattern);
	array_unshift($arguments, $pattern);

	$err = newv('PhutilExecPassthru', $arguments)
	->execute();

	exit($err);
	diff --git a/src/applications/repository/daemon/PhabricatorRepositoryPullLocalDaemon.php b/src/applications/repository/daemon/PhabricatorRepositoryPullLocalDaemon.php
	index 88c708ac20..8d84a8be5f 100644
	--- a/src/applications/repository/daemon/PhabricatorRepositoryPullLocalDaemon.php
	+++ b/src/applications/repository/daemon/PhabricatorRepositoryPullLocalDaemon.php
	@@ -1,805 +1,853 @@
	<?php

	/**
	* Run pull commands on local working copies to keep them up to date. This
	* daemon handles all repository types.
	*
	* By default, the daemon pulls every repository. If you want it to be
	* responsible for only some repositories, you can launch it with a list of
	* PHIDs or callsigns:
	*
	* ./phd launch repositorypulllocal -- X Q Z
	*
	* You can also launch a daemon which is responsible for all //but// one or
	* more repositories:
	*
	* ./phd launch repositorypulllocal -- --not A --not B
	*
	* If you have a very large number of repositories and some aren't being pulled
	* as frequently as you'd like, you can either change the pull frequency of
	* the less-important repositories to a larger number (so the daemon will skip
	* them more often) or launch one daemon for all the less-important repositories
	* and one for the more important repositories (or one for each more important
	* repository).
	*
	* @task pull Pulling Repositories
	* @task git Git Implementation
	* @task hg Mercurial Implementation
	*/
	final class PhabricatorRepositoryPullLocalDaemon
	extends PhabricatorDaemon {

	private $commitCache = array();
	private $repair;
	private $discoveryEngines = array();

	public function setRepair($repair) {
	$this->repair = $repair;
	return $this;
	}


	/* -( Pulling Repositories )----------------------------------------------- */


	/**
	* @task pull
	*/
	public function run() {
	$argv = $this->getArgv();
	array_unshift($argv, __CLASS__);
	$args = new PhutilArgumentParser($argv);
	$args->parse(
	array(
	array(
	'name' => 'no-discovery',
	'help' => 'Pull only, without discovering commits.',
	),
	array(
	'name' => 'not',
	'param' => 'repository',
	'repeat' => true,
	'help' => 'Do not pull __repository__.',
	),
	array(
	'name' => 'repositories',
	'wildcard' => true,
	'help' => 'Pull specific __repositories__ instead of all.',
	),
	));

	$no_discovery = $args->getArg('no-discovery');
	$repo_names = $args->getArg('repositories');
	$exclude_names = $args->getArg('not');

	// Each repository has an individual pull frequency; after we pull it,
	// wait that long to pull it again. When we start up, try to pull everything
	// serially.
	$retry_after = array();

	$min_sleep = 15;

	while (true) {
	$repositories = $this->loadRepositories($repo_names);
	if ($exclude_names) {
	$exclude = $this->loadRepositories($exclude_names);
	$repositories = array_diff_key($repositories, $exclude);
	}

	// Shuffle the repositories, then re-key the array since shuffle()
	// discards keys. This is mostly for startup, we'll use soft priorities
	// later.
	shuffle($repositories);
	$repositories = mpull($repositories, null, 'getID');

	// If any repositories have the NEEDS_UPDATE flag set, pull them
	// as soon as possible.
	$type_need_update = PhabricatorRepositoryStatusMessage::TYPE_NEEDS_UPDATE;
	$need_update_messages = id(new PhabricatorRepositoryStatusMessage())
	->loadAllWhere('statusType = %s', $type_need_update);
	foreach ($need_update_messages as $message) {
	$retry_after[$message->getRepositoryID()] = time();
	}

	// If any repositories were deleted, remove them from the retry timer map
	// so we don't end up with a retry timer that never gets updated and
	// causes us to sleep for the minimum amount of time.
	$retry_after = array_select_keys(
	$retry_after,
	array_keys($repositories));

	// Assign soft priorities to repositories based on how frequently they
	// should pull again.
	asort($retry_after);
	$repositories = array_select_keys(
	$repositories,
	array_keys($retry_after)) + $repositories;

	foreach ($repositories as $id => $repository) {
	$after = idx($retry_after, $id, 0);
	if ($after > time()) {
	continue;
	}

	$tracked = $repository->isTracked();
	if (!$tracked) {
	continue;
	}

	$callsign = $repository->getCallsign();

	try {
	$this->log("Updating repository '{$callsign}'.");

	id(new PhabricatorRepositoryPullEngine())
	->setRepository($repository)
	->pullRepository();

	if (!$no_discovery) {
	// TODO: It would be nice to discover only if we pulled something,
	// but this isn't totally trivial. It's slightly more complicated
	// with hosted repositories, too.

	$lock_name = get_class($this).':'.$callsign;
	$lock = PhabricatorGlobalLock::newLock($lock_name);
	$lock->lock();

	$repository->writeStatusMessage(
	PhabricatorRepositoryStatusMessage::TYPE_NEEDS_UPDATE,
	null);

	try {
	$this->discoverRepository($repository);
	$repository->writeStatusMessage(
	PhabricatorRepositoryStatusMessage::TYPE_FETCH,
	PhabricatorRepositoryStatusMessage::CODE_OKAY);
	} catch (Exception $ex) {
	$repository->writeStatusMessage(
	PhabricatorRepositoryStatusMessage::TYPE_FETCH,
	PhabricatorRepositoryStatusMessage::CODE_ERROR,
	array(
	'message' => pht(
	'Error updating working copy: %s', $ex->getMessage()),
	));
	$lock->unlock();
	throw $ex;
	}

	$lock->unlock();
	}

	$sleep_for = $repository->getDetail('pull-frequency', $min_sleep);
	$retry_after[$id] = time() + $sleep_for;
	} catch (PhutilLockException $ex) {
	$retry_after[$id] = time() + $min_sleep;
	$this->log("Failed to acquire lock.");
	} catch (Exception $ex) {
	$retry_after[$id] = time() + $min_sleep;

	$proxy = new PhutilProxyException(
	"Error while fetching changes to the '{$callsign}' repository.",
	$ex);
	phlog($proxy);
	}

	$this->stillWorking();
	}

	if ($retry_after) {
	$sleep_until = max(min($retry_after), time() + $min_sleep);
	} else {
	$sleep_until = time() + $min_sleep;
	}

	$this->sleep($sleep_until - time());
	}
	}


	/**
	* @task pull
	*/
	protected function loadRepositories(array $names) {
	$query = id(new PhabricatorRepositoryQuery())
	->setViewer($this->getViewer());

	if ($names) {
	$query->withCallsigns($names);
	}

	$repos = $query->execute();

	if ($names) {
	$by_callsign = mpull($repos, null, 'getCallsign');
	foreach ($names as $name) {
	if (empty($by_callsign[$name])) {
	throw new Exception(
	"No repository exists with callsign '{$name}'!");
	}
	}
	}

	return $repos;
	}

	public function discoverRepository(PhabricatorRepository $repository) {
	$vcs = $repository->getVersionControlSystem();

	$result = null;
	$refs = null;
	switch ($vcs) {
	case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
	$result = $this->executeGitDiscover($repository);
	break;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
	case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
	$refs = $this->getDiscoveryEngine($repository)
	->discoverCommits();
	break;
	default:
	throw new Exception("Unknown VCS '{$vcs}'!");
	}

	if ($refs !== null) {
	foreach ($refs as $ref) {
	$this->recordCommit(
	$repository,
	$ref->getIdentifier(),
	$ref->getEpoch(),
	$ref->getBranch());
	}
	}

	$this->checkIfRepositoryIsFullyImported($repository);

	+ try {
	+ $this->pushToMirrors($repository);
	+ } catch (Exception $ex) {
	+ // TODO: We should report these into the UI properly, but for
	+ // now just complain. These errors are much less severe than
	+ // pull errors.
	+ phlog($ex);
	+ }
	+
	if ($refs !== null) {
	return (bool)count($refs);
	} else {
	return $result;
	}
	}

	private function getDiscoveryEngine(PhabricatorRepository $repository) {
	$id = $repository->getID();
	if (empty($this->discoveryEngines[$id])) {
	$engine = id(new PhabricatorRepositoryDiscoveryEngine())
	->setRepository($repository)
	->setVerbose($this->getVerbose())
	->setRepairMode($this->repair);

	$this->discoveryEngines[$id] = $engine;
	}
	return $this->discoveryEngines[$id];
	}

	private function isKnownCommit(
	PhabricatorRepository $repository,
	$target) {

	if ($this->getCache($repository, $target)) {
	return true;
	}

	if ($this->repair) {
	// 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;
	}

	$commit = id(new PhabricatorRepositoryCommit())->loadOneWhere(
	'repositoryID = %d AND commitIdentifier = %s',
	$repository->getID(),
	$target);

	if (!$commit) {
	return false;
	}

	$this->setCache($repository, $target);
	while (count($this->commitCache) > 2048) {
	array_shift($this->commitCache);
	}

	return true;
	}

	private function isKnownCommitOnAnyAutocloseBranch(
	PhabricatorRepository $repository,
	$target) {

	$commit = id(new PhabricatorRepositoryCommit())->loadOneWhere(
	'repositoryID = %d AND commitIdentifier = %s',
	$repository->getID(),
	$target);

	if (!$commit) {
	$callsign = $repository->getCallsign();

	$console = PhutilConsole::getConsole();
	$console->writeErr(
	"WARNING: Repository '%s' is missing commits ('%s' is missing from ".
	"history). Run '%s' to repair the repository.\n",
	$callsign,
	$target,
	"bin/repository discover --repair {$callsign}");

	return false;
	}

	$data = $commit->loadCommitData();
	if (!$data) {
	return false;
	}

	if ($repository->shouldAutocloseCommit($commit, $data)) {
	return true;
	}

	return false;
	}

	private function recordCommit(
	PhabricatorRepository $repository,
	$commit_identifier,
	$epoch,
	$branch = null) {

	$commit = new PhabricatorRepositoryCommit();
	$commit->setRepositoryID($repository->getID());
	$commit->setCommitIdentifier($commit_identifier);
	$commit->setEpoch($epoch);

	$data = new PhabricatorRepositoryCommitData();
	if ($branch) {
	$data->setCommitDetail('seenOnBranches', array($branch));
	}

	try {
	$commit->openTransaction();
	$commit->save();
	$data->setCommitID($commit->getID());
	$data->save();
	$commit->saveTransaction();

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

	queryfx(
	$repository->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);

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

	$this->setCache($repository, $commit_identifier);

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

	} catch (AphrontQueryDuplicateKeyException $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.
	$this->setCache($repository, $commit_identifier);
	}
	}

	private function updateCommit(
	PhabricatorRepository $repository,
	$commit_identifier,
	$branch) {

	$commit = id(new PhabricatorRepositoryCommit())->loadOneWhere(
	'repositoryID = %d AND commitIdentifier = %s',
	$repository->getID(),
	$commit_identifier);

	if (!$commit) {
	// This can happen if the phabricator DB doesn't have the commit info,
	// or the commit is so big that phabricator couldn't parse it. In this
	// case we just ignore it.
	return;
	}

	$data = id(new PhabricatorRepositoryCommitData())->loadOneWhere(
	'commitID = %d',
	$commit->getID());
	if (!$data) {
	$data = new PhabricatorRepositoryCommitData();
	$data->setCommitID($commit->getID());
	}
	$branches = $data->getCommitDetail('seenOnBranches', array());
	$branches[] = $branch;
	$data->setCommitDetail('seenOnBranches', $branches);
	$data->save();

	$this->insertTask(
	$repository,
	$commit,
	array(
	'only' => 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:
	$class = 'PhabricatorRepositoryMercurialCommitMessageParserWorker';
	break;
	default:
	throw new Exception("Unknown repository type '{$vcs}'!");
	}

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

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


	private function setCache(
	PhabricatorRepository $repository,
	$commit_identifier) {

	$key = $this->getCacheKey($repository, $commit_identifier);
	$this->commitCache[$key] = true;
	}

	private function getCache(
	PhabricatorRepository $repository,
	$commit_identifier) {

	$key = $this->getCacheKey($repository, $commit_identifier);
	return idx($this->commitCache, $key, false);
	}

	private function getCacheKey(
	PhabricatorRepository $repository,
	$commit_identifier) {

	return $repository->getID().':'.$commit_identifier;
	}

	private function checkIfRepositoryIsFullyImported(
	PhabricatorRepository $repository) {

	// Check if the repository has the "Importing" flag set. We want to clear
	// the flag if we can.
	$importing = $repository->getDetail('importing');
	if (!$importing) {
	// This repository isn't marked as "Importing", so we're done.
	return;
	}

	// Look for any commit which hasn't imported.
	$unparsed_commit = queryfx_one(
	$repository->establishConnection('r'),
	'SELECT * FROM %T WHERE repositoryID = %d AND importStatus != %d
	LIMIT 1',
	id(new PhabricatorRepositoryCommit())->getTableName(),
	$repository->getID(),
	PhabricatorRepositoryCommit::IMPORTED_ALL);
	if ($unparsed_commit) {
	// We found a commit which still needs to import, so we can't clear the
	// flag.
	return;
	}

	// Clear the "importing" flag.
	$repository->openTransaction();
	$repository->beginReadLocking();
	$repository = $repository->reload();
	$repository->setDetail('importing', false);
	$repository->save();
	$repository->endReadLocking();
	$repository->saveTransaction();
	}

	/* -( Git Implementation )------------------------------------------------- */


	/**
	* @task git
	*/
	private function executeGitDiscover(
	PhabricatorRepository $repository) {

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

	$refs = id(new DiffusionLowLevelGitRefQuery())
	->setRepository($repository)
	->withIsOriginBranch(true)
	->execute();

	$branches = mpull($refs, 'getCommitIdentifier', 'getShortName');

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

	$callsign = $repository->getCallsign();

	$tracked_something = false;

	$this->log("Discovering commits in repository '{$callsign}'...");
	foreach ($branches as $name => $commit) {
	$this->log("Examining branch '{$name}', at {$commit}.");
	if (!$repository->shouldTrackBranch($name)) {
	$this->log("Skipping, branch is untracked.");
	continue;
	}

	$tracked_something = true;

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

	$this->log("Looking for new commits.");
	$this->executeGitDiscoverCommit($repository, $commit, $name, false);
	}

	if (!$tracked_something) {
	$repo_name = $repository->getName();
	$repo_callsign = $repository->getCallsign();
	throw new Exception(
	"Repository r{$repo_callsign} '{$repo_name}' has no tracked branches! ".
	"Verify that your branch filtering settings are correct.");
	}


	$this->log("Discovering commits on autoclose branches...");
	foreach ($branches as $name => $commit) {
	$this->log("Examining branch '{$name}', at {$commit}'.");
	if (!$repository->shouldTrackBranch($name)) {
	$this->log("Skipping, branch is untracked.");
	continue;
	}

	if (!$repository->shouldAutocloseBranch($name)) {
	$this->log("Skipping, branch is not autoclose.");
	continue;
	}

	if ($this->isKnownCommitOnAnyAutocloseBranch($repository, $commit)) {
	$this->log("Skipping, commit is known on an autoclose branch.");
	continue;
	}

	$this->log("Looking for new autoclose commits.");
	$this->executeGitDiscoverCommit($repository, $commit, $name, true);
	}
	}


	/**
	* @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;
	}
	}
	}


	/**
	* Verify that the "origin" remote exists, and points at the correct URI.
	*
	* This catches or corrects some types of misconfiguration, and also repairs
	* an issue where Git 1.7.1 does not create an "origin" for `--bare` clones.
	* See T4041.
	*
	* @param PhabricatorRepository Repository to verify.
	* @return void
	*/
	private function verifyOrigin(PhabricatorRepository $repository) {
	list($remotes) = $repository->execxLocalCommand(
	'remote show -n origin');

	$matches = null;
	if (!preg_match('/^\sFetch URL:\s(.?)\s$/m', $remotes, $matches)) {
	throw new Exception(
	"Expected 'Fetch URL' in 'git remote show -n origin'.");
	}

	$remote_uri = $matches[1];
	$expect_remote = $repository->getRemoteURI();

	if ($remote_uri == "origin") {
	// If a remote does not exist, git pretends it does and prints out a
	// made up remote where the URI is the same as the remote name. This is
	// definitely not correct.

	// Possibly, we should use `git remote --verbose` instead, which does not
	// suffer from this problem (but is a little more complicated to parse).
	$valid = false;
	$exists = false;
	} else {
	$valid = self::isSameGitOrigin($remote_uri, $expect_remote);
	$exists = true;
	}

	if (!$valid) {
	if (!$exists) {
	// If there's no "origin" remote, just create it regardless of how
	// strongly we own the working copy. There is almost no conceivable
	// scenario in which this could do damage.
	$this->log(
	pht(
	'Remote "origin" does not exist. Creating "origin", with '.
	'URI "%s".',
	$expect_remote));
	$repository->execxLocalCommand(
	'remote add origin %s',
	$expect_remote);

	// NOTE: This doesn't fetch the origin (it just creates it), so we won't
	// know about origin branches until the next "pull" happens. That's fine
	// for our purposes, but might impact things in the future.
	} else {
	if ($repository->canDestroyWorkingCopy()) {
	// Bad remote, but we can try to repair it.
	$this->log(
	pht(
	'Remote "origin" exists, but is pointed at the wrong URI, "%s". '.
	'Resetting origin URI to "%s.',
	$remote_uri,
	$expect_remote));
	$repository->execxLocalCommand(
	'remote set-url origin %s',
	$expect_remote);
	} else {
	// Bad remote and we aren't comfortable repairing it.
	$message = pht(
	'Working copy at "%s" has a mismatched origin URI, "%s". '.
	'The expected origin URI is "%s". Fix your configuration, or '.
	'set the remote URI correctly. To avoid breaking anything, '.
	'Phabricator will not automatically fix this.',
	$repository->getLocalPath(),
	$remote_uri,
	$expect_remote);
	throw new Exception($message);
	}
	}
	}
	}



	/**
	* @task git
	*/
	public static function isSameGitOrigin($remote, $expect) {
	$remote_path = self::getPathFromGitURI($remote);
	$expect_path = self::getPathFromGitURI($expect);

	$remote_match = self::executeGitNormalizePath($remote_path);
	$expect_match = self::executeGitNormalizePath($expect_path);

	return ($remote_match == $expect_match);
	}

	private static function getPathFromGitURI($raw_uri) {
	$uri = new PhutilURI($raw_uri);
	if ($uri->getProtocol()) {
	return $uri->getPath();
	}

	$uri = new PhutilGitURI($raw_uri);
	if ($uri->getDomain()) {
	return $uri->getPath();
	}

	return $raw_uri;
	}


	/**
	* @task git
	*/
	private static function executeGitNormalizePath($path) {
	// Strip away "/" and ".git", so similar paths correctly match.

	$path = trim($path, '/');
	$path = preg_replace('/\.git$/', '', $path);
	return $path;
	}


	+ private function pushToMirrors(PhabricatorRepository $repository) {
	+ if (!$repository->canMirror()) {
	+ return;
	+ }
	+
	+ $mirrors = id(new PhabricatorRepositoryMirrorQuery())
	+ ->setViewer($this->getViewer())
	+ ->withRepositoryPHIDs(array($repository->getPHID()))
	+ ->execute();
	+
	+ // TODO: This is a little bit janky, but we don't have first-class
	+ // infrastructure for running remote commands against an arbitrary remote
	+ // right now. Just make an emphemeral copy of the repository and muck with
	+ // it a little bit. In the medium term, we should pull this command stuff
	+ // out and use it here and for "Land to ...".
	+
	+ $proxy = clone $repository;
	+ $proxy->makeEphemeral();
	+
	+ $proxy->setDetail('hosting-enabled', false);
	+ foreach ($mirrors as $mirror) {
	+ $proxy->setDetail('remote-uri', $mirror->getRemoteURI());
	+ $proxy->setCredentialPHID($mirror->getCredentialPHID());
	+
	+ $this->log(pht('Pushing to remote "%s"...', $mirror->getRemoteURI()));
	+
	+ if (!$proxy->isGit()) {
	+ throw new Exception('Unsupported VCS!');
	+ }
	+
	+ $future = $proxy->getRemoteCommandFuture(
	+ 'push --verbose --mirror -- %s',
	+ $proxy->getRemoteURI());
	+
	+ $future
	+ ->setCWD($proxy->getLocalPath())
	+ ->resolvex();
	+ }
	+ }
	}
	diff --git a/src/applications/repository/storage/PhabricatorRepository.php b/src/applications/repository/storage/PhabricatorRepository.php
	index 3bbaa9901b..40665be51a 100644
	--- a/src/applications/repository/storage/PhabricatorRepository.php
	+++ b/src/applications/repository/storage/PhabricatorRepository.php
	@@ -1,1018 +1,1018 @@
	<?php

	/**
	* @task uri Repository URI Management
	*/
	final class PhabricatorRepository extends PhabricatorRepositoryDAO
	implements
	PhabricatorPolicyInterface,
	PhabricatorFlaggableInterface,
	PhabricatorMarkupInterface {

	/**
	* Shortest hash we'll recognize in raw "a829f32" form.
	*/
	const MINIMUM_UNQUALIFIED_HASH = 7;

	/**
	* Shortest hash we'll recognize in qualified "rXab7ef2f8" form.
	*/
	const MINIMUM_QUALIFIED_HASH = 5;

	const TABLE_PATH = 'repository_path';
	const TABLE_PATHCHANGE = 'repository_pathchange';
	const TABLE_FILESYSTEM = 'repository_filesystem';
	const TABLE_SUMMARY = 'repository_summary';
	const TABLE_BADCOMMIT = 'repository_badcommit';
	const TABLE_LINTMESSAGE = 'repository_lintmessage';

	const SERVE_OFF = 'off';
	const SERVE_READONLY = 'readonly';
	const SERVE_READWRITE = 'readwrite';

	protected $name;
	protected $callsign;
	protected $uuid;
	protected $viewPolicy;
	protected $editPolicy;
	protected $pushPolicy;

	protected $versionControlSystem;
	protected $details = array();
	protected $credentialPHID;

	private $commitCount = self::ATTACHABLE;
	private $mostRecentCommit = self::ATTACHABLE;

	public static function initializeNewRepository(PhabricatorUser $actor) {
	$app = id(new PhabricatorApplicationQuery())
	->setViewer($actor)
	->withClasses(array('PhabricatorApplicationDiffusion'))
	->executeOne();

	$view_policy = $app->getPolicy(DiffusionCapabilityDefaultView::CAPABILITY);
	$edit_policy = $app->getPolicy(DiffusionCapabilityDefaultEdit::CAPABILITY);
	$push_policy = $app->getPolicy(DiffusionCapabilityDefaultPush::CAPABILITY);

	return id(new PhabricatorRepository())
	->setViewPolicy($view_policy)
	->setEditPolicy($edit_policy)
	->setPushPolicy($push_policy);
	}

	public function getConfiguration() {
	return array(
	self::CONFIG_AUX_PHID => true,
	self::CONFIG_SERIALIZATION => array(
	'details' => self::SERIALIZATION_JSON,
	),
	) + parent::getConfiguration();
	}

	public function generatePHID() {
	return PhabricatorPHID::generateNewPHID(
	PhabricatorRepositoryPHIDTypeRepository::TYPECONST);
	}

	public function toDictionary() {
	return array(
	'name' => $this->getName(),
	'phid' => $this->getPHID(),
	'callsign' => $this->getCallsign(),
	'vcs' => $this->getVersionControlSystem(),
	'uri' => PhabricatorEnv::getProductionURI($this->getURI()),
	'remoteURI' => (string)$this->getPublicRemoteURI(),
	'tracking' => $this->getDetail('tracking-enabled'),
	'description' => $this->getDetail('description'),
	);
	}

	public function getDetail($key, $default = null) {
	return idx($this->details, $key, $default);
	}

	public function getHumanReadableDetail($key, $default = null) {
	$value = $this->getDetail($key, $default);

	switch ($key) {
	case 'branch-filter':
	case 'close-commits-filter':
	$value = array_keys($value);
	$value = implode(', ', $value);
	break;
	}

	return $value;
	}

	public function setDetail($key, $value) {
	$this->details[$key] = $value;
	return $this;
	}

	public function attachCommitCount($count) {
	$this->commitCount = $count;
	return $this;
	}

	public function getCommitCount() {
	return $this->assertAttached($this->commitCount);
	}

	public function attachMostRecentCommit(
	PhabricatorRepositoryCommit $commit = null) {
	$this->mostRecentCommit = $commit;
	return $this;
	}

	public function getMostRecentCommit() {
	return $this->assertAttached($this->mostRecentCommit);
	}

	public function getDiffusionBrowseURIForPath(
	PhabricatorUser $user,
	$path,
	$line = null,
	$branch = null) {

	$drequest = DiffusionRequest::newFromDictionary(
	array(
	'user' => $user,
	'repository' => $this,
	'path' => $path,
	'branch' => $branch,
	));

	return $drequest->generateURI(
	array(
	'action' => 'browse',
	'line' => $line,
	));
	}

	public function getLocalPath() {
	return $this->getDetail('local-path');
	}

	public function getSubversionBaseURI($commit = null) {
	$subpath = $this->getDetail('svn-subpath');
	if (!strlen($subpath)) {
	$subpath = null;
	}
	return $this->getSubversionPathURI($subpath, $commit);
	}

	public function getSubversionPathURI($path = null, $commit = null) {
	$vcs = $this->getVersionControlSystem();
	if ($vcs != PhabricatorRepositoryType::REPOSITORY_TYPE_SVN) {
	throw new Exception("Not a subversion repository!");
	}

	if ($this->isHosted()) {
	$uri = 'file://'.$this->getLocalPath();
	} else {
	$uri = $this->getDetail('remote-uri');
	}

	$uri = rtrim($uri, '/');

	if (strlen($path)) {
	$path = rawurlencode($path);
	$path = str_replace('%2F', '/', $path);
	$uri = $uri.'/'.ltrim($path, '/');
	}

	if ($path !== null \|\| $commit !== null) {
	$uri .= '@';
	}

	if ($commit !== null) {
	$uri .= $commit;
	}

	return $uri;
	}


	/* -( Remote Command Execution )------------------------------------------- */


	public function execRemoteCommand($pattern /* , $arg, ... */) {
	$args = func_get_args();
	return $this->newRemoteCommandFuture($args)->resolve();
	}

	public function execxRemoteCommand($pattern /* , $arg, ... */) {
	$args = func_get_args();
	return $this->newRemoteCommandFuture($args)->resolvex();
	}

	public function getRemoteCommandFuture($pattern /* , $arg, ... */) {
	$args = func_get_args();
	return $this->newRemoteCommandFuture($args);
	}

	public function passthruRemoteCommand($pattern /* , $arg, ... */) {
	$args = func_get_args();
	return $this->newRemoteCommandPassthru($args)->execute();
	}

	private function newRemoteCommandFuture(array $argv) {
	$argv = $this->formatRemoteCommand($argv);
	$future = newv('ExecFuture', $argv);
	$future->setEnv($this->getRemoteCommandEnvironment());
	return $future;
	}

	private function newRemoteCommandPassthru(array $argv) {
	$argv = $this->formatRemoteCommand($argv);
	$passthru = newv('PhutilExecPassthru', $argv);
	$passthru->setEnv($this->getRemoteCommandEnvironment());
	return $passthru;
	}


	/* -( Local Command Execution )-------------------------------------------- */


	public function execLocalCommand($pattern /* , $arg, ... */) {
	$args = func_get_args();
	return $this->newLocalCommandFuture($args)->resolve();
	}

	public function execxLocalCommand($pattern /* , $arg, ... */) {
	$args = func_get_args();
	return $this->newLocalCommandFuture($args)->resolvex();
	}

	public function getLocalCommandFuture($pattern /* , $arg, ... */) {
	$args = func_get_args();
	return $this->newLocalCommandFuture($args);
	}

	public function passthruLocalCommand($pattern /* , $arg, ... */) {
	$args = func_get_args();
	return $this->newLocalCommandPassthru($args)->execute();
	}

	private function newLocalCommandFuture(array $argv) {
	$this->assertLocalExists();

	$argv = $this->formatLocalCommand($argv);
	$future = newv('ExecFuture', $argv);
	$future->setEnv($this->getLocalCommandEnvironment());

	if ($this->usesLocalWorkingCopy()) {
	$future->setCWD($this->getLocalPath());
	}

	return $future;
	}

	private function newLocalCommandPassthru(array $argv) {
	$this->assertLocalExists();

	$argv = $this->formatLocalCommand($argv);
	$future = newv('PhutilExecPassthru', $argv);
	$future->setEnv($this->getLocalCommandEnvironment());

	if ($this->usesLocalWorkingCopy()) {
	$future->setCWD($this->getLocalPath());
	}

	return $future;
	}


	/* -( Command Infrastructure )--------------------------------------------- */


	private function getSSHWrapper() {
	$root = dirname(phutil_get_library_root('phabricator'));
	return $root.'/bin/ssh-connect';
	}

	private function getCommonCommandEnvironment() {
	$env = array(
	// NOTE: Force the language to "C", which overrides locale settings.
	// This makes stuff print in English instead of, e.g., French, so we can
	// parse the output of some commands, error messages, etc.
	'LANG' => 'C',
	);

	switch ($this->getVersionControlSystem()) {
	case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
	break;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
	// NOTE: See T2965. Some time after Git 1.7.5.4, Git started fataling if
	// it can not read $HOME. For many users, $HOME points at /root (this
	// seems to be a default result of Apache setup). Instead, explicitly
	// point $HOME at a readable, empty directory so that Git looks for the
	// config file it's after, fails to locate it, and moves on. This is
	// really silly, but seems like the least damaging approach to
	// mitigating the issue.

	$root = dirname(phutil_get_library_root('phabricator'));
	$env['HOME'] = $root.'/support/empty/';
	break;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
	// NOTE: This overrides certain configuration, extensions, and settings
	// which make Mercurial commands do random unusual things.
	$env['HGPLAIN'] = 1;
	break;
	default:
	throw new Exception("Unrecognized version control system.");
	}

	return $env;
	}

	private function getLocalCommandEnvironment() {
	return $this->getCommonCommandEnvironment();
	}

	private function getRemoteCommandEnvironment() {
	$env = $this->getCommonCommandEnvironment();

	if ($this->shouldUseSSH()) {
	// NOTE: This is read by `bin/ssh-connect`, and tells it which credentials
	// to use.
	- $env['PHABRICATOR_SSH_TARGET'] = $this->getCallsign();
	+ $env['PHABRICATOR_CREDENTIAL'] = $this->getCredentialPHID();
	switch ($this->getVersionControlSystem()) {
	case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
	// Force SVN to use `bin/ssh-connect`.
	$env['SVN_SSH'] = $this->getSSHWrapper();
	break;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
	// Force Git to use `bin/ssh-connect`.
	$env['GIT_SSH'] = $this->getSSHWrapper();
	break;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
	// We force Mercurial through `bin/ssh-connect` too, but it uses a
	// command-line flag instead of an environmental variable.
	break;
	default:
	throw new Exception("Unrecognized version control system.");
	}
	}

	return $env;
	}

	private function formatRemoteCommand(array $args) {
	$pattern = $args[0];
	$args = array_slice($args, 1);

	switch ($this->getVersionControlSystem()) {
	case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
	if ($this->shouldUseHTTP() \|\| $this->shouldUseSVNProtocol()) {
	$flags = array();
	$flag_args = array();
	$flags[] = '--non-interactive';
	$flags[] = '--no-auth-cache';
	if ($this->shouldUseHTTP()) {
	$flags[] = '--trust-server-cert';
	}

	$credential_phid = $this->getCredentialPHID();
	if ($credential_phid) {
	$key = PassphrasePasswordKey::loadFromPHID(
	$credential_phid,
	PhabricatorUser::getOmnipotentUser());
	$flags[] = '--username %P';
	$flags[] = '--password %P';
	$flag_args[] = $key->getUsernameEnvelope();
	$flag_args[] = $key->getPasswordEnvelope();
	}

	$flags = implode(' ', $flags);
	$pattern = "svn {$flags} {$pattern}";
	$args = array_mergev(array($flag_args, $args));
	} else {
	$pattern = "svn --non-interactive {$pattern}";
	}
	break;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
	$pattern = "git {$pattern}";
	break;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
	if ($this->shouldUseSSH()) {
	$pattern = "hg --config ui.ssh=%s {$pattern}";
	array_unshift(
	$args,
	$this->getSSHWrapper());
	} else {
	$pattern = "hg {$pattern}";
	}
	break;
	default:
	throw new Exception("Unrecognized version control system.");
	}

	array_unshift($args, $pattern);

	return $args;
	}

	private function formatLocalCommand(array $args) {
	$pattern = $args[0];
	$args = array_slice($args, 1);

	switch ($this->getVersionControlSystem()) {
	case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
	$pattern = "svn --non-interactive {$pattern}";
	break;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
	$pattern = "git {$pattern}";
	break;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
	$pattern = "hg {$pattern}";
	break;
	default:
	throw new Exception("Unrecognized version control system.");
	}

	array_unshift($args, $pattern);

	return $args;
	}

	public function getSSHLogin() {
	return $this->getDetail('ssh-login');
	}

	public function getURI() {
	return '/diffusion/'.$this->getCallsign().'/';
	}

	public function isTracked() {
	return $this->getDetail('tracking-enabled', false);
	}

	public function getDefaultBranch() {
	$default = $this->getDetail('default-branch');
	if (strlen($default)) {
	return $default;
	}

	$default_branches = array(
	PhabricatorRepositoryType::REPOSITORY_TYPE_GIT => 'master',
	PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL => 'default',
	);

	return idx($default_branches, $this->getVersionControlSystem());
	}

	public function getDefaultArcanistBranch() {
	return coalesce($this->getDefaultBranch(), 'svn');
	}

	private function isBranchInFilter($branch, $filter_key) {
	$vcs = $this->getVersionControlSystem();

	$is_git = ($vcs == PhabricatorRepositoryType::REPOSITORY_TYPE_GIT);

	$use_filter = ($is_git);

	if ($use_filter) {
	$filter = $this->getDetail($filter_key, array());
	if ($filter && empty($filter[$branch])) {
	return false;
	}
	}

	// By default, all branches pass.
	return true;
	}

	public function shouldTrackBranch($branch) {
	return $this->isBranchInFilter($branch, 'branch-filter');
	}

	public function shouldAutocloseBranch($branch) {
	if ($this->isImporting()) {
	return false;
	}

	if ($this->getDetail('disable-autoclose', false)) {
	return false;
	}

	return $this->isBranchInFilter($branch, 'close-commits-filter');
	}

	public function shouldAutocloseCommit(
	PhabricatorRepositoryCommit $commit,
	PhabricatorRepositoryCommitData $data) {

	if ($this->getDetail('disable-autoclose', false)) {
	return false;
	}

	switch ($this->getVersionControlSystem()) {
	case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
	return true;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
	break;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
	return true;
	default:
	throw new Exception("Unrecognized version control system.");
	}

	$branches = $data->getCommitDetail('seenOnBranches', array());
	foreach ($branches as $branch) {
	if ($this->shouldAutocloseBranch($branch)) {
	return true;
	}
	}

	return false;
	}

	public function formatCommitName($commit_identifier) {
	$vcs = $this->getVersionControlSystem();

	$type_git = PhabricatorRepositoryType::REPOSITORY_TYPE_GIT;
	$type_hg = PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL;

	$is_git = ($vcs == $type_git);
	$is_hg = ($vcs == $type_hg);
	if ($is_git \|\| $is_hg) {
	$short_identifier = substr($commit_identifier, 0, 12);
	} else {
	$short_identifier = $commit_identifier;
	}

	return 'r'.$this->getCallsign().$short_identifier;
	}

	public function isImporting() {
	return (bool)$this->getDetail('importing', false);
	}

	/* -( Repository URI Management )------------------------------------------ */


	/**
	* Get the remote URI for this repository.
	*
	* @return string
	* @task uri
	*/
	public function getRemoteURI() {
	return (string)$this->getRemoteURIObject();
	}


	/**
	* Get the remote URI for this repository, without authentication information.
	*
	* @return string Repository URI.
	* @task uri
	*/
	public function getPublicRemoteURI() {
	$uri = $this->getRemoteURIObject();

	// Make sure we don't leak anything if this repo is using HTTP Basic Auth
	// with the credentials in the URI or something zany like that.

	// If repository is not accessed over SSH we remove both username and
	// password.
	if (!$this->shouldUseSSH()) {
	$uri->setUser(null);
	$uri->setPass(null);
	}

	return (string)$uri;
	}


	/**
	* Get the protocol for the repository's remote.
	*
	* @return string Protocol, like "ssh" or "git".
	* @task uri
	*/
	public function getRemoteProtocol() {
	$uri = $this->getRemoteURIObject();

	if ($uri instanceof PhutilGitURI) {
	return 'ssh';
	} else {
	return $uri->getProtocol();
	}
	}


	/**
	* Get a parsed object representation of the repository's remote URI. This
	* may be a normal URI (returned as a @{class@libphutil:PhutilURI}) or a git
	* URI (returned as a @{class@libphutil:PhutilGitURI}).
	*
	* @return wild A @{class@libphutil:PhutilURI} or
	* @{class@libphutil:PhutilGitURI}.
	* @task uri
	*/
	public function getRemoteURIObject() {
	$raw_uri = $this->getDetail('remote-uri');
	if (!$raw_uri) {
	return new PhutilURI('');
	}

	if (!strncmp($raw_uri, '/', 1)) {
	return new PhutilURI('file://'.$raw_uri);
	}

	$uri = new PhutilURI($raw_uri);
	if ($uri->getProtocol()) {
	if ($this->isSSHProtocol($uri->getProtocol())) {
	if ($this->getSSHLogin()) {
	$uri->setUser($this->getSSHLogin());
	}
	}
	return $uri;
	}

	$uri = new PhutilGitURI($raw_uri);
	if ($uri->getDomain()) {
	if ($this->getSSHLogin()) {
	$uri->setUser($this->getSSHLogin());
	}
	return $uri;
	}

	throw new Exception("Remote URI '{$raw_uri}' could not be parsed!");
	}


	/**
	* Determine if we should connect to the remote using SSH flags and
	* credentials.
	*
	* @return bool True to use the SSH protocol.
	* @task uri
	*/
	private function shouldUseSSH() {
	if ($this->isHosted()) {
	return false;
	}

	$protocol = $this->getRemoteProtocol();
	if ($this->isSSHProtocol($protocol)) {
	$key = $this->getDetail('ssh-key');
	$keyfile = $this->getDetail('ssh-keyfile');
	if ($key \|\| $keyfile) {
	return true;
	}
	}

	return false;
	}


	/**
	* Determine if we should connect to the remote using HTTP flags and
	* credentials.
	*
	* @return bool True to use the HTTP protocol.
	* @task uri
	*/
	private function shouldUseHTTP() {
	if ($this->isHosted()) {
	return false;
	}

	$protocol = $this->getRemoteProtocol();
	return ($protocol == 'http' \|\| $protocol == 'https');
	}


	/**
	* Determine if we should connect to the remote using SVN flags and
	* credentials.
	*
	* @return bool True to use the SVN protocol.
	* @task uri
	*/
	private function shouldUseSVNProtocol() {
	if ($this->isHosted()) {
	return false;
	}

	$protocol = $this->getRemoteProtocol();
	return ($protocol == 'svn');
	}


	/**
	* Determine if a protocol is SSH or SSH-like.
	*
	* @param string A protocol string, like "http" or "ssh".
	* @return bool True if the protocol is SSH-like.
	* @task uri
	*/
	private function isSSHProtocol($protocol) {
	return ($protocol == 'ssh' \|\| $protocol == 'svn+ssh');
	}

	public function delete() {
	$this->openTransaction();

	$paths = id(new PhabricatorOwnersPath())
	->loadAllWhere('repositoryPHID = %s', $this->getPHID());
	foreach ($paths as $path) {
	$path->delete();
	}

	$projects = id(new PhabricatorRepositoryArcanistProject())
	->loadAllWhere('repositoryID = %d', $this->getID());
	foreach ($projects as $project) {
	// note each project deletes its PhabricatorRepositorySymbols
	$project->delete();
	}

	$commits = id(new PhabricatorRepositoryCommit())
	->loadAllWhere('repositoryID = %d', $this->getID());
	foreach ($commits as $commit) {
	// note PhabricatorRepositoryAuditRequests and
	// PhabricatorRepositoryCommitData are deleted here too.
	$commit->delete();
	}

	$mirrors = id(new PhabricatorRepositoryMirror())
	->loadAllWhere('repositoryPHID = %s', $this->getPHID());
	foreach ($mirrors as $mirror) {
	$mirror->delete();
	}

	$conn_w = $this->establishConnection('w');

	queryfx(
	$conn_w,
	'DELETE FROM %T WHERE repositoryID = %d',
	self::TABLE_FILESYSTEM,
	$this->getID());

	queryfx(
	$conn_w,
	'DELETE FROM %T WHERE repositoryID = %d',
	self::TABLE_PATHCHANGE,
	$this->getID());

	queryfx(
	$conn_w,
	'DELETE FROM %T WHERE repositoryID = %d',
	self::TABLE_SUMMARY,
	$this->getID());

	$result = parent::delete();

	$this->saveTransaction();
	return $result;
	}

	public function isGit() {
	$vcs = $this->getVersionControlSystem();
	return ($vcs == PhabricatorRepositoryType::REPOSITORY_TYPE_GIT);
	}

	public function isSVN() {
	$vcs = $this->getVersionControlSystem();
	return ($vcs == PhabricatorRepositoryType::REPOSITORY_TYPE_SVN);
	}

	public function isHg() {
	$vcs = $this->getVersionControlSystem();
	return ($vcs == PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL);
	}

	public function isHosted() {
	return (bool)$this->getDetail('hosting-enabled', false);
	}

	public function setHosted($enabled) {
	return $this->setDetail('hosting-enabled', $enabled);
	}

	public function getServeOverHTTP() {
	if ($this->isSVN()) {
	return self::SERVE_OFF;
	}
	$serve = $this->getDetail('serve-over-http', self::SERVE_OFF);
	return $this->normalizeServeConfigSetting($serve);
	}

	public function setServeOverHTTP($mode) {
	return $this->setDetail('serve-over-http', $mode);
	}

	public function getServeOverSSH() {
	$serve = $this->getDetail('serve-over-ssh', self::SERVE_OFF);
	return $this->normalizeServeConfigSetting($serve);
	}

	public function setServeOverSSH($mode) {
	return $this->setDetail('serve-over-ssh', $mode);
	}

	public static function getProtocolAvailabilityName($constant) {
	switch ($constant) {
	case self::SERVE_OFF:
	return pht('Off');
	case self::SERVE_READONLY:
	return pht('Read Only');
	case self::SERVE_READWRITE:
	return pht('Read/Write');
	default:
	return pht('Unknown');
	}
	}

	private function normalizeServeConfigSetting($value) {
	switch ($value) {
	case self::SERVE_OFF:
	case self::SERVE_READONLY:
	return $value;
	case self::SERVE_READWRITE:
	if ($this->isHosted()) {
	return self::SERVE_READWRITE;
	} else {
	return self::SERVE_READONLY;
	}
	default:
	return self::SERVE_OFF;
	}
	}


	/**
	* Raise more useful errors when there are basic filesystem problems.
	*/
	private function assertLocalExists() {
	if (!$this->usesLocalWorkingCopy()) {
	return;
	}

	$local = $this->getLocalPath();
	Filesystem::assertExists($local);
	Filesystem::assertIsDirectory($local);
	Filesystem::assertReadable($local);
	}

	/**
	* Determine if the working copy is bare or not. In Git, this corresponds
	* to `--bare`. In Mercurial, `--noupdate`.
	*/
	public function isWorkingCopyBare() {
	switch ($this->getVersionControlSystem()) {
	case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
	case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
	return false;
	case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
	$local = $this->getLocalPath();
	if (Filesystem::pathExists($local.'/.git')) {
	return false;
	} else {
	return true;
	}
	}
	}

	public function usesLocalWorkingCopy() {
	switch ($this->getVersionControlSystem()) {
	case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
	return $this->isHosted();
	case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
	case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
	return true;
	}
	}

	public function canDestroyWorkingCopy() {
	if ($this->isHosted()) {
	// Never destroy hosted working copies.
	return false;
	}

	$default_path = PhabricatorEnv::getEnvConfig(
	'repository.default-local-path');
	return Filesystem::isDescendant($this->getLocalPath(), $default_path);
	}

	public function canMirror() {
	if (!$this->isHosted()) {
	return false;
	}

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

	return false;
	}

	public function writeStatusMessage(
	$status_type,
	$status_code,
	array $parameters = array()) {

	$table = new PhabricatorRepositoryStatusMessage();
	$conn_w = $table->establishConnection('w');
	$table_name = $table->getTableName();

	if ($status_code === null) {
	queryfx(
	$conn_w,
	'DELETE FROM %T WHERE repositoryID = %d AND statusType = %s',
	$table_name,
	$this->getID(),
	$status_type);
	} else {
	queryfx(
	$conn_w,
	'INSERT INTO %T
	(repositoryID, statusType, statusCode, parameters, epoch)
	VALUES (%d, %s, %s, %s, %d)
	ON DUPLICATE KEY UPDATE
	statusCode = VALUES(statusCode),
	parameters = VALUES(parameters),
	epoch = VALUES(epoch)',
	$table_name,
	$this->getID(),
	$status_type,
	$status_code,
	json_encode($parameters),
	time());
	}

	return $this;
	}


	/* -( PhabricatorPolicyInterface )----------------------------------------- */


	public function getCapabilities() {
	return array(
	PhabricatorPolicyCapability::CAN_VIEW,
	PhabricatorPolicyCapability::CAN_EDIT,
	DiffusionCapabilityPush::CAPABILITY,
	);
	}

	public function getPolicy($capability) {
	switch ($capability) {
	case PhabricatorPolicyCapability::CAN_VIEW:
	return $this->getViewPolicy();
	case PhabricatorPolicyCapability::CAN_EDIT:
	return $this->getEditPolicy();
	case DiffusionCapabilityPush::CAPABILITY:
	return $this->getPushPolicy();
	}
	}

	public function hasAutomaticCapability($capability, PhabricatorUser $user) {
	return false;
	}

	public function describeAutomaticCapability($capability) {
	return null;
	}



	/* -( PhabricatorMarkupInterface )----------------------------------------- */


	public function getMarkupFieldKey($field) {
	$hash = PhabricatorHash::digestForIndex($this->getMarkupText($field));
	return "repo:{$hash}";
	}

	public function newMarkupEngine($field) {
	return PhabricatorMarkupEngine::newMarkupEngine(array());
	}

	public function getMarkupText($field) {
	return $this->getDetail('description');
	}

	public function didMarkupText(
	$field,
	$output,
	PhutilMarkupEngine $engine) {
	require_celerity_resource('phabricator-remarkup-css');
	return phutil_tag(
	'div',
	array(
	'class' => 'phabricator-remarkup',
	),
	$output);
	}

	public function shouldUseMarkupCache($field) {
	return true;
	}

	}

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