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	diff --git a/src/applications/diffusion/conduit/DiffusionBrowseQueryConduitAPIMethod.php b/src/applications/diffusion/conduit/DiffusionBrowseQueryConduitAPIMethod.php
	index 7ff0f6725a..2e272d69a7 100644
	--- a/src/applications/diffusion/conduit/DiffusionBrowseQueryConduitAPIMethod.php
	+++ b/src/applications/diffusion/conduit/DiffusionBrowseQueryConduitAPIMethod.php
	@@ -1,516 +1,546 @@
	<?php

	final class DiffusionBrowseQueryConduitAPIMethod
	extends DiffusionQueryConduitAPIMethod {

	public function getAPIMethodName() {
	return 'diffusion.browsequery';
	}

	public function getMethodDescription() {
	return pht(
	'File(s) information for a repository at an (optional) path and '.
	'(optional) commit.');
	}

	protected function defineReturnType() {
	return 'array';
	}

	protected function defineCustomParamTypes() {
	return array(
	'path' => 'optional string',
	'commit' => 'optional string',
	'needValidityOnly' => 'optional bool',
	'limit' => 'optional int',
	'offset' => 'optional int',
	);
	}

	protected function getResult(ConduitAPIRequest $request) {
	$result = parent::getResult($request);
	return $result->toDictionary();
	}

	protected function getGitResult(ConduitAPIRequest $request) {
	$drequest = $this->getDiffusionRequest();
	$repository = $drequest->getRepository();
	$path = $request->getValue('path');
	$commit = $request->getValue('commit');
	$offset = (int)$request->getValue('offset');
	$limit = (int)$request->getValue('limit');
	$result = $this->getEmptyResultSet();

	if ($path == '') {
	// Fast path to improve the performance of the repository view; we know
	// the root is always a tree at any commit and always exists.
	$stdout = 'tree';
	} else {
	try {
	list($stdout) = $repository->execxLocalCommand(
	'cat-file -t %s:%s',
	$commit,
	$path);
	} catch (CommandException $e) {
	+ // The "cat-file" command may fail if the path legitimately does not
	+ // exist, but it may also fail if the path is a submodule. This can
	+ // produce either "Not a valid object name" or "could not get object
	+ // info".
	+
	+ // To detect if we have a submodule, use `git ls-tree`. If the path
	+ // is a submodule, we'll get a "160000" mode mask with type "commit".
	+
	+ list($sub_err, $sub_stdout) = $repository->execLocalCommand(
	+ 'ls-tree %s -- %s',
	+ $commit,
	+ $path);
	+ if (!$sub_err) {
	+ // If the path failed "cat-file" but "ls-tree" worked, we assume it
	+ // must be a submodule. If it is, the output will look something
	+ // like this:
	+ //
	+ // 160000 commit <hash> <path>
	+ //
	+ // We make sure it has the 160000 mode mask to confirm that it's
	+ // definitely a submodule.
	+ $mode = (int)$sub_stdout;
	+ if ($mode & 160000) {
	+ $submodule_reason = DiffusionBrowseResultSet::REASON_IS_SUBMODULE;
	+ $result
	+ ->setReasonForEmptyResultSet($submodule_reason);
	+ return $result;
	+ }
	+ }
	+
	$stderr = $e->getStderr();
	if (preg_match('/^fatal: Not a valid object name/', $stderr)) {
	// Grab two logs, since the first one is when the object was deleted.
	list($stdout) = $repository->execxLocalCommand(
	'log -n2 --format="%%H" %s -- %s',
	$commit,
	$path);
	$stdout = trim($stdout);
	if ($stdout) {
	$commits = explode("\n", $stdout);
	$result
	->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_DELETED)
	->setDeletedAtCommit(idx($commits, 0))
	->setExistedAtCommit(idx($commits, 1));
	return $result;
	}

	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_NONEXISTENT);
	return $result;
	} else {
	throw $e;
	}
	}
	}

	if (trim($stdout) == 'blob') {
	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_FILE);
	return $result;
	}

	$result->setIsValidResults(true);
	if ($this->shouldOnlyTestValidity($request)) {
	return $result;
	}

	list($stdout) = $repository->execxLocalCommand(
	'ls-tree -z -l %s:%s',
	$commit,
	$path);

	$submodules = array();

	if (strlen($path)) {
	$prefix = rtrim($path, '/').'/';
	} else {
	$prefix = '';
	}

	$count = 0;
	$results = array();
	$lines = empty($stdout)
	? array()
	: explode("\0", rtrim($stdout));

	foreach ($lines as $line) {
	// NOTE: Limit to 5 components so we parse filenames with spaces in them
	// correctly.
	// NOTE: The output uses a mixture of tabs and one-or-more spaces to
	// delimit fields.
	$parts = preg_split('/\s+/', $line, 5);
	if (count($parts) < 5) {
	throw new Exception(
	pht(
	'Expected "<mode> <type> <hash> <size>\t<name>", for ls-tree of '.
	'"%s:%s", got: %s',
	$commit,
	$path,
	$line));
	}

	list($mode, $type, $hash, $size, $name) = $parts;

	$path_result = new DiffusionRepositoryPath();

	if ($type == 'tree') {
	$file_type = DifferentialChangeType::FILE_DIRECTORY;
	} else if ($type == 'commit') {
	$file_type = DifferentialChangeType::FILE_SUBMODULE;
	$submodules[] = $path_result;
	} else {
	$mode = intval($mode, 8);
	if (($mode & 0120000) == 0120000) {
	$file_type = DifferentialChangeType::FILE_SYMLINK;
	} else {
	$file_type = DifferentialChangeType::FILE_NORMAL;
	}
	}

	$path_result->setFullPath($prefix.$name);
	$path_result->setPath($name);
	$path_result->setHash($hash);
	$path_result->setFileType($file_type);
	$path_result->setFileSize($size);

	if ($count >= $offset) {
	$results[] = $path_result;
	}

	$count++;

	if ($limit && $count >= ($offset + $limit)) {
	break;
	}
	}

	// If we identified submodules, lookup the module info at this commit to
	// find their source URIs.

	if ($submodules) {

	// NOTE: We need to read the file out of git and write it to a temporary
	// location because "git config -f" doesn't accept a "commit:path"-style
	// argument.

	// NOTE: This file may not exist, e.g. because the commit author removed
	// it when they added the submodule. See T1448. If it's not present, just
	// show the submodule without enriching it. If ".gitmodules" was removed
	// it seems to partially break submodules, but the repository as a whole
	// continues to work fine and we've seen at least two cases of this in
	// the wild.

	list($err, $contents) = $repository->execLocalCommand(
	'cat-file blob %s:.gitmodules',
	$commit);

	if (!$err) {
	$tmp = new TempFile();
	Filesystem::writeFile($tmp, $contents);
	list($module_info) = $repository->execxLocalCommand(
	'config -l -f %s',
	$tmp);

	$dict = array();
	$lines = explode("\n", trim($module_info));
	foreach ($lines as $line) {
	list($key, $value) = explode('=', $line, 2);
	$parts = explode('.', $key);
	$dict[$key] = $value;
	}

	foreach ($submodules as $path) {
	$full_path = $path->getFullPath();
	$key = 'submodule.'.$full_path.'.url';
	if (isset($dict[$key])) {
	$path->setExternalURI($dict[$key]);
	}
	}
	}
	}

	return $result->setPaths($results);
	}

	protected function getMercurialResult(ConduitAPIRequest $request) {
	$drequest = $this->getDiffusionRequest();
	$repository = $drequest->getRepository();
	$path = $request->getValue('path');
	$commit = $request->getValue('commit');
	$offset = (int)$request->getValue('offset');
	$limit = (int)$request->getValue('limit');
	$result = $this->getEmptyResultSet();


	$entire_manifest = id(new DiffusionLowLevelMercurialPathsQuery())
	->setRepository($repository)
	->withCommit($commit)
	->withPath($path)
	->execute();

	$results = array();

	$match_against = trim($path, '/');
	$match_len = strlen($match_against);

	// For the root, don't trim. For other paths, trim the "/" after we match.
	// We need this because Mercurial's canonical paths have no leading "/",
	// but ours do.
	$trim_len = $match_len ? $match_len + 1 : 0;

	$count = 0;
	foreach ($entire_manifest as $path) {
	if (strncmp($path, $match_against, $match_len)) {
	continue;
	}
	if (!strlen($path)) {
	continue;
	}
	$remainder = substr($path, $trim_len);
	if (!strlen($remainder)) {
	// There is a file with this exact name in the manifest, so clearly
	// it's a file.
	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_FILE);
	return $result;
	}

	$parts = explode('/', $remainder);
	$name = reset($parts);

	// If we've already seen this path component, we're looking at a file
	// inside a directory we already processed. Just move on.
	if (isset($results[$name])) {
	continue;
	}

	if (count($parts) == 1) {
	$type = DifferentialChangeType::FILE_NORMAL;
	} else {
	$type = DifferentialChangeType::FILE_DIRECTORY;
	}

	if ($count >= $offset) {
	$results[$name] = $type;
	}

	$count++;

	if ($limit && ($count >= ($offset + $limit))) {
	break;
	}
	}

	foreach ($results as $key => $type) {
	$path_result = new DiffusionRepositoryPath();
	$path_result->setPath($key);
	$path_result->setFileType($type);
	$path_result->setFullPath(ltrim($match_against.'/', '/').$key);

	$results[$key] = $path_result;
	}

	$valid_results = true;
	if (empty($results)) {
	// TODO: Detect "deleted" by issuing "hg log"?
	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_NONEXISTENT);
	$valid_results = false;
	}

	return $result
	->setPaths($results)
	->setIsValidResults($valid_results);
	}

	protected function getSVNResult(ConduitAPIRequest $request) {
	$drequest = $this->getDiffusionRequest();
	$repository = $drequest->getRepository();
	$path = $request->getValue('path');
	$commit = $request->getValue('commit');
	$offset = (int)$request->getValue('offset');
	$limit = (int)$request->getValue('limit');
	$result = $this->getEmptyResultSet();

	$subpath = $repository->getDetail('svn-subpath');
	if ($subpath && strncmp($subpath, $path, strlen($subpath))) {
	// If we have a subpath and the path isn't a child of it, it (almost
	// certainly) won't exist since we don't track commits which affect
	// it. (Even if it exists, return a consistent result.)
	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_UNTRACKED_PARENT);
	return $result;
	}

	$conn_r = $repository->establishConnection('r');

	$parent_path = DiffusionPathIDQuery::getParentPath($path);
	$path_query = new DiffusionPathIDQuery(
	array(
	$path,
	$parent_path,
	));
	$path_map = $path_query->loadPathIDs();

	$path_id = $path_map[$path];
	$parent_path_id = $path_map[$parent_path];

	if (empty($path_id)) {
	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_NONEXISTENT);
	return $result;
	}

	if ($commit) {
	$slice_clause = 'AND svnCommit <= '.(int)$commit;
	} else {
	$slice_clause = '';
	}

	$index = queryfx_all(
	$conn_r,
	'SELECT pathID, max(svnCommit) maxCommit FROM %T WHERE
	repositoryID = %d AND parentID = %d
	%Q GROUP BY pathID',
	PhabricatorRepository::TABLE_FILESYSTEM,
	$repository->getID(),
	$path_id,
	$slice_clause);

	if (!$index) {
	if ($path == '/') {
	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_EMPTY);
	} else {

	// NOTE: The parent path ID is included so this query can take
	// advantage of the table's primary key; it is uniquely determined by
	// the pathID but if we don't do the lookup ourselves MySQL doesn't have
	// the information it needs to avoid a table scan.

	$reasons = queryfx_all(
	$conn_r,
	'SELECT * FROM %T WHERE repositoryID = %d
	AND parentID = %d
	AND pathID = %d
	%Q ORDER BY svnCommit DESC LIMIT 2',
	PhabricatorRepository::TABLE_FILESYSTEM,
	$repository->getID(),
	$parent_path_id,
	$path_id,
	$slice_clause);

	$reason = reset($reasons);

	if (!$reason) {
	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_NONEXISTENT);
	} else {
	$file_type = $reason['fileType'];
	if (empty($reason['existed'])) {
	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_DELETED);
	$result->setDeletedAtCommit($reason['svnCommit']);
	if (!empty($reasons[1])) {
	$result->setExistedAtCommit($reasons[1]['svnCommit']);
	}
	} else if ($file_type == DifferentialChangeType::FILE_DIRECTORY) {
	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_EMPTY);
	} else {
	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_FILE);
	}
	}
	}
	return $result;
	}

	$result->setIsValidResults(true);
	if ($this->shouldOnlyTestValidity($request)) {
	return $result;
	}

	$sql = array();
	foreach ($index as $row) {
	$sql[] =
	'(pathID = '.(int)$row['pathID'].' AND '.
	'svnCommit = '.(int)$row['maxCommit'].')';
	}

	$browse = queryfx_all(
	$conn_r,
	'SELECT *, p.path pathName
	FROM %T f JOIN %T p ON f.pathID = p.id
	WHERE repositoryID = %d
	AND parentID = %d
	AND existed = 1
	AND (%Q)
	ORDER BY pathName',
	PhabricatorRepository::TABLE_FILESYSTEM,
	PhabricatorRepository::TABLE_PATH,
	$repository->getID(),
	$path_id,
	implode(' OR ', $sql));

	$loadable_commits = array();
	foreach ($browse as $key => $file) {
	// We need to strip out directories because we don't store last-modified
	// in the filesystem table.
	if ($file['fileType'] != DifferentialChangeType::FILE_DIRECTORY) {
	$loadable_commits[] = $file['svnCommit'];
	$browse[$key]['hasCommit'] = true;
	}
	}

	$commits = array();
	$commit_data = array();
	if ($loadable_commits) {
	// NOTE: Even though these are integers, use '%Ls' because MySQL doesn't
	// use the second part of the key otherwise!
	$commits = id(new PhabricatorRepositoryCommit())->loadAllWhere(
	'repositoryID = %d AND commitIdentifier IN (%Ls)',
	$repository->getID(),
	$loadable_commits);
	$commits = mpull($commits, null, 'getCommitIdentifier');
	if ($commits) {
	$commit_data = id(new PhabricatorRepositoryCommitData())->loadAllWhere(
	'commitID in (%Ld)',
	mpull($commits, 'getID'));
	$commit_data = mpull($commit_data, null, 'getCommitID');
	} else {
	$commit_data = array();
	}
	}

	$path_normal = DiffusionPathIDQuery::normalizePath($path);

	$results = array();
	$count = 0;
	foreach ($browse as $file) {

	$full_path = $file['pathName'];
	$file_path = ltrim(substr($full_path, strlen($path_normal)), '/');
	$full_path = ltrim($full_path, '/');

	$result_path = new DiffusionRepositoryPath();
	$result_path->setPath($file_path);
	$result_path->setFullPath($full_path);
	$result_path->setFileType($file['fileType']);

	if (!empty($file['hasCommit'])) {
	$commit = idx($commits, $file['svnCommit']);
	if ($commit) {
	$data = idx($commit_data, $commit->getID());
	$result_path->setLastModifiedCommit($commit);
	$result_path->setLastCommitData($data);
	}
	}

	if ($count >= $offset) {
	$results[] = $result_path;
	}

	$count++;

	if ($limit && ($count >= ($offset + $limit))) {
	break;
	}
	}

	if (empty($results)) {
	$result->setReasonForEmptyResultSet(
	DiffusionBrowseResultSet::REASON_IS_EMPTY);
	}

	return $result->setPaths($results);
	}

	private function getEmptyResultSet() {
	return id(new DiffusionBrowseResultSet())
	->setPaths(array())
	->setReasonForEmptyResultSet(null)
	->setIsValidResults(false);
	}

	private function shouldOnlyTestValidity(ConduitAPIRequest $request) {
	return $request->getValue('needValidityOnly', false);
	}

	}
	diff --git a/src/applications/diffusion/data/DiffusionBrowseResultSet.php b/src/applications/diffusion/data/DiffusionBrowseResultSet.php
	index 2208aca505..22d9e08251 100644
	--- a/src/applications/diffusion/data/DiffusionBrowseResultSet.php
	+++ b/src/applications/diffusion/data/DiffusionBrowseResultSet.php
	@@ -1,162 +1,163 @@
	<?php

	final class DiffusionBrowseResultSet extends Phobject {

	const REASON_IS_FILE = 'is-file';
	+ const REASON_IS_SUBMODULE = 'is-submodule';
	const REASON_IS_DELETED = 'is-deleted';
	const REASON_IS_NONEXISTENT = 'nonexistent';
	const REASON_BAD_COMMIT = 'bad-commit';
	const REASON_IS_EMPTY = 'empty';
	const REASON_IS_UNTRACKED_PARENT = 'untracked-parent';

	private $paths;
	private $isValidResults;
	private $reasonForEmptyResultSet;
	private $existedAtCommit;
	private $deletedAtCommit;

	public function setPaths(array $paths) {
	assert_instances_of($paths, 'DiffusionRepositoryPath');
	$this->paths = $paths;
	return $this;
	}
	public function getPaths() {
	return $this->paths;
	}

	public function setIsValidResults($is_valid) {
	$this->isValidResults = $is_valid;
	return $this;
	}
	public function isValidResults() {
	return $this->isValidResults;
	}

	public function setReasonForEmptyResultSet($reason) {
	$this->reasonForEmptyResultSet = $reason;
	return $this;
	}
	public function getReasonForEmptyResultSet() {
	return $this->reasonForEmptyResultSet;
	}

	public function setExistedAtCommit($existed_at_commit) {
	$this->existedAtCommit = $existed_at_commit;
	return $this;
	}
	public function getExistedAtCommit() {
	return $this->existedAtCommit;
	}

	public function setDeletedAtCommit($deleted_at_commit) {
	$this->deletedAtCommit = $deleted_at_commit;
	return $this;
	}
	public function getDeletedAtCommit() {
	return $this->deletedAtCommit;
	}

	public function toDictionary() {
	$paths = $this->getPathDicts();

	return array(
	'paths' => $paths,
	'isValidResults' => $this->isValidResults(),
	'reasonForEmptyResultSet' => $this->getReasonForEmptyResultSet(),
	'existedAtCommit' => $this->getExistedAtCommit(),
	'deletedAtCommit' => $this->getDeletedAtCommit(),
	);
	}

	public function getPathDicts() {
	$paths = $this->getPaths();
	if ($paths) {
	return mpull($paths, 'toDictionary');
	}
	return array();
	}

	/**
	* Get the best README file in this result set, if one exists.
	*
	* Callers should normally use `diffusion.filecontentquery` to pull README
	* content.
	*
	* @return string\|null Full path to best README, or null if one does not
	* exist.
	*/
	public function getReadmePath() {
	$allowed_types = array(
	ArcanistDiffChangeType::FILE_NORMAL => true,
	ArcanistDiffChangeType::FILE_TEXT => true,
	);

	$candidates = array();
	foreach ($this->getPaths() as $path_object) {
	if (empty($allowed_types[$path_object->getFileType()])) {
	// Skip directories, images, etc.
	continue;
	}

	$local_path = $path_object->getPath();
	if (!preg_match('/^readme(\.\|$)/i', $local_path)) {
	// Skip files not named "README".
	continue;
	}

	$full_path = $path_object->getFullPath();
	$candidates[$full_path] = self::getReadmePriority($local_path);
	}

	if (!$candidates) {
	return null;
	}

	arsort($candidates);
	return head_key($candidates);
	}

	/**
	* Get the priority of a README file.
	*
	* When a directory contains several README files, this function scores them
	* so the caller can select a preferred file. See @{method:getReadmePath}.
	*
	* @param string Local README path, like "README.txt".
	* @return int Priority score, with higher being more preferred.
	*/
	public static function getReadmePriority($path) {
	$path = phutil_utf8_strtolower($path);
	if ($path == 'readme') {
	return 90;
	}

	$ext = last(explode('.', $path));
	switch ($ext) {
	case 'remarkup':
	return 100;
	case 'rainbow':
	return 80;
	case 'md':
	return 70;
	case 'txt':
	return 60;
	default:
	return 50;
	}
	}

	public static function newFromConduit(array $data) {
	$paths = array();
	$path_dicts = $data['paths'];
	foreach ($path_dicts as $dict) {
	$paths[] = DiffusionRepositoryPath::newFromDictionary($dict);
	}
	return id(new DiffusionBrowseResultSet())
	->setPaths($paths)
	->setIsValidResults($data['isValidResults'])
	->setReasonForEmptyResultSet($data['reasonForEmptyResultSet'])
	->setExistedAtCommit($data['existedAtCommit'])
	->setDeletedAtCommit($data['deletedAtCommit']);
	}
	}
	diff --git a/src/applications/diffusion/view/DiffusionEmptyResultView.php b/src/applications/diffusion/view/DiffusionEmptyResultView.php
	index 12def83e76..c818267268 100644
	--- a/src/applications/diffusion/view/DiffusionEmptyResultView.php
	+++ b/src/applications/diffusion/view/DiffusionEmptyResultView.php
	@@ -1,97 +1,104 @@
	<?php

	final class DiffusionEmptyResultView extends DiffusionView {

	private $browseResultSet;
	private $view;

	public function setDiffusionBrowseResultSet(DiffusionBrowseResultSet $set) {
	$this->browseResultSet = $set;
	return $this;
	}

	public function setView($view) {
	$this->view = $view;
	return $this;
	}

	public function render() {
	$drequest = $this->getDiffusionRequest();
	$repository = $drequest->getRepository();

	$commit = $drequest->getCommit();
	if ($commit) {
	$commit = $repository->formatCommitName($commit);
	} else {
	$commit = 'HEAD';
	}

	$reason = $this->browseResultSet->getReasonForEmptyResultSet();
	switch ($reason) {
	case DiffusionBrowseResultSet::REASON_IS_NONEXISTENT:
	$title = pht('Path Does Not Exist');
	// TODO: Under git, this error message should be more specific. It
	// may exist on some other branch.
	$body = pht('This path does not exist anywhere.');
	$severity = PHUIInfoView::SEVERITY_ERROR;
	break;
	case DiffusionBrowseResultSet::REASON_IS_EMPTY:
	$title = pht('Empty Directory');
	$body = pht('This path was an empty directory at %s.', $commit);
	$severity = PHUIInfoView::SEVERITY_NOTICE;
	break;
	+ case DiffusionBrowseResultSet::REASON_IS_SUBMODULE:
	+ $title = pht('Submodule');
	+ // TODO: We could improve this, but it is normally difficult to
	+ // reach this page for a submodule.
	+ $body = pht('This path was a submodule at %s.', $commit);
	+ $severity = PHUIInfoView::SEVERITY_NOTICE;
	+ break;
	case DiffusionBrowseResultSet::REASON_IS_DELETED:
	$deleted = $this->browseResultSet->getDeletedAtCommit();
	$existed = $this->browseResultSet->getExistedAtCommit();

	$existed_text = $repository->formatCommitName($existed);
	$existed_href = $drequest->generateURI(
	array(
	'action' => 'browse',
	'path' => $drequest->getPath(),
	'commit' => $existed,
	'params' => array(
	'view' => $this->view,
	),
	));

	$existed_link = phutil_tag(
	'a',
	array(
	'href' => $existed_href,
	),
	$existed_text);

	$title = pht('Path Was Deleted');
	$body = pht(
	'This path does not exist at %s. It was deleted in %s and last '.
	'existed at %s.',
	$commit,
	self::linkCommit($drequest->getRepository(), $deleted),
	$existed_link);
	$severity = PHUIInfoView::SEVERITY_WARNING;
	break;
	case DiffusionBrowseResultSet::REASON_IS_UNTRACKED_PARENT:
	$subdir = $drequest->getRepository()->getDetail('svn-subpath');
	$title = pht('Directory Not Tracked');
	$body =
	pht(
	"This repository is configured to track only one subdirectory ".
	"of the entire repository ('%s'), but you aren't looking at ".
	"something in that subdirectory, so no information is available.",
	$subdir);
	$severity = PHUIInfoView::SEVERITY_WARNING;
	break;
	default:
	throw new Exception(pht('Unknown failure reason: %s', $reason));
	}

	$error_view = new PHUIInfoView();
	$error_view->setSeverity($severity);
	$error_view->setTitle($title);
	$error_view->appendChild(phutil_tag('p', array(), $body));

	return $error_view->render();
	}

	}

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