diff --git a/scripts/repository/save_lint.php b/scripts/repository/save_lint.php
--- a/scripts/repository/save_lint.php
+++ b/scripts/repository/save_lint.php
@@ -17,35 +17,38 @@
   ->parse(array(
     array(
       'name' => 'all',
-      'help' =>
+      'help' => pht(
         'Discover problems in the whole repository instead of just changes '.
-        'since the last run.',
+        'since the last run.'),
     ),
     array(
       'name' => 'arc',
       'param' => 'path',
       'default' => 'arc',
-      'help' => 'Path to Arcanist executable.',
+      'help' => pht('Path to Arcanist executable.'),
     ),
     array(
       'name' => 'severity',
       'param' => 'string',
       'default' => ArcanistLintSeverity::SEVERITY_ADVICE,
-      'help' => 'Minimum severity, one of ArcanistLintSeverity constants.',
+      'help' => pht(
+        'Minimum severity, one of %s constants.',
+        'ArcanistLintSeverity'),
     ),
     array(
       'name' => 'chunk-size',
       'param' => 'number',
       'default' => 256,
-      'help' => 'Number of paths passed to `arc` at once.',
+      'help' => pht('Number of paths passed to `%s` at once.', 'arc'),
     ),
     array(
       'name' => 'blame',
-      'help' => 'Assign lint errors to authors who last modified the line.',
+      'help' => pht(
+        'Assign lint errors to authors who last modified the line.'),
     ),
   ));
 
-echo "Saving lint errors to database...\n";
+echo pht('Saving lint errors to database...')."\n";
 
 $count = id(new DiffusionLintSaveRunner())
   ->setAll($args->getArg('all', false))
@@ -55,4 +58,4 @@
   ->setNeedsBlame($args->getArg('blame'))
   ->run('.');
 
-echo "\nProcessed {$count} files.\n";
+echo "\n".pht('Processed %d files.', $count)."\n";
diff --git a/src/applications/diffusion/DiffusionLintSaveRunner.php b/src/applications/diffusion/DiffusionLintSaveRunner.php
--- a/src/applications/diffusion/DiffusionLintSaveRunner.php
+++ b/src/applications/diffusion/DiffusionLintSaveRunner.php
@@ -58,17 +58,31 @@
       }
     }
 
-    $project_id = $working_copy->getProjectID();
-    $project = id(new PhabricatorRepositoryArcanistProject())
-      ->loadOneWhere('name = %s', $project_id);
-    if (!$project || !$project->getRepositoryID()) {
-      throw new Exception("Couldn't find repository for {$project_id}.");
+    $callsign = $configuration_manager->getConfigFromAnySource(
+      'repository.callsign');
+    $uuid = $api->getRepositoryUUID();
+    $remote_uri = $api->getRemoteURI();
+
+    $repository_query = id(new PhabricatorRepositoryQuery())
+      ->setViewer(PhabricatorUser::getOmnipotentUser());
+
+    if ($callsign) {
+      $repository_query->withCallsigns(array($callsign));
+    } else if ($uuid) {
+      $repository_query->withUUIDs(array($uuid));
+    } else if ($remote_uri) {
+      $repository_query->withRemoteURIs(array($remote_uri));
     }
 
+    $repository = $repository_query->executeOne();
     $branch_name = $api->getBranchName();
 
+    if (!$repository) {
+      throw new Exception(pht('No repository was found.'));
+    }
+
     $this->branch = PhabricatorRepositoryBranch::loadOrCreateBranch(
-      $project->getRepositoryID(),
+      $repository->getID(),
       $branch_name);
     $this->conn = $this->branch->establishConnection('w');
 
diff --git a/src/applications/diffusion/conduit/DiffusionGetLintMessagesConduitAPIMethod.php b/src/applications/diffusion/conduit/DiffusionGetLintMessagesConduitAPIMethod.php
--- a/src/applications/diffusion/conduit/DiffusionGetLintMessagesConduitAPIMethod.php
+++ b/src/applications/diffusion/conduit/DiffusionGetLintMessagesConduitAPIMethod.php
@@ -12,15 +12,15 @@
   }
 
   public function getMethodDescription() {
-    return 'Get lint messages for existing code.';
+    return pht('Get lint messages for existing code.');
   }
 
   protected function defineParamTypes() {
     return array(
-      'arcanistProject' => 'required string',
-      'branch'          => 'optional string',
-      'commit'          => 'optional string',
-      'files'           => 'required list<string>',
+      'repositoryPHID' => 'required phid',
+      'branch'         => 'required string',
+      'commit'         => 'optional string',
+      'files'          => 'required list<string>',
     );
   }
 
@@ -29,25 +29,31 @@
   }
 
   protected function execute(ConduitAPIRequest $request) {
-    $project = id(new PhabricatorRepositoryArcanistProject())->loadOneWhere(
-      'name = %s',
-      $request->getValue('arcanistProject'));
-    if (!$project || !$project->getRepositoryID()) {
-      return array();
+    $viewer = $request->getUser();
+
+    $repository_phid = $request->getValue('repositoryPHID');
+    $repository = id(new PhabricatorRepositoryQuery())
+      ->setViewer($viewer)
+      ->withPHIDs(array($repository_phid))
+      ->executeOne();
+
+    if (!$repository) {
+      throw new Exception(
+        pht('No repository exists with PHID "%s".', $repository_phid));
     }
 
     $branch_name = $request->getValue('branch');
     if ($branch_name == '') {
       $repository = id(new PhabricatorRepositoryQuery())
         ->setViewer($request->getUser())
-        ->withIDs(array($project->getRepositoryID()))
+        ->withIDs(array($repository->getID()))
         ->executeOne();
       $branch_name = $repository->getDefaultArcanistBranch();
     }
 
     $branch = id(new PhabricatorRepositoryBranch())->loadOneWhere(
       'repositoryID = %d AND name = %s',
-      $project->getRepositoryID(),
+      $repository->getID(),
       $branch_name);
     if (!$branch || !$branch->getLintCommit()) {
       return array();