Index: src/infrastructure/celerity/CelerityResourceMap.php
===================================================================
--- src/infrastructure/celerity/CelerityResourceMap.php
+++ src/infrastructure/celerity/CelerityResourceMap.php
@@ -108,7 +108,7 @@
     return idx($this->resourceMap, $symbol);
   }
 
-  public function lookupFileInformation($path) {
+  private function lookupFileInformation($path) {
     if (empty($this->reverseMap)) {
       $this->reverseMap = array();
       foreach ($this->resourceMap as $symbol => $data) {
@@ -119,4 +119,36 @@
     return idx($this->reverseMap, $path);
   }
 
+
+  /**
+   * Return the fully-qualified, absolute URI for the resource associated with
+   * a resource name. This method is fairly low-level and ignores packaging.
+   *
+   * @param string Resource name to lookup.
+   * @return string Fully-qualified resource URI.
+   */
+  public function getFullyQualifiedURIForName($name) {
+    $info = $this->lookupFileInformation($name);
+    if ($info) {
+      return idx($info, 'uri');
+    }
+    return null;
+  }
+
+
+  /**
+   * Return the resource symbols required by a named resource.
+   *
+   * @param string Resource name to lookup.
+   * @return list<string> List of required symbols.
+   */
+  public function getRequiredSymbolsForName($name) {
+    $info = $this->lookupFileInformation($name);
+    if ($info) {
+      return idx($info, 'requires', array());
+    }
+    return null;
+  }
+
+
 }
Index: src/infrastructure/celerity/CelerityResourceTransformer.php
===================================================================
--- src/infrastructure/celerity/CelerityResourceTransformer.php
+++ src/infrastructure/celerity/CelerityResourceTransformer.php
@@ -127,9 +127,9 @@
         $uri = $this->rawResourceMap[$uri]['uri'];
       }
     } else if ($this->celerityMap) {
-      $info = $this->celerityMap->lookupFileInformation($uri);
-      if ($info) {
-        $uri = $info['uri'];
+      $resource_uri = $this->celerityMap->getFullyQualifiedURIForName($uri);
+      if ($resource_uri) {
+        $uri = $resource_uri;
       }
     }
 
Index: src/infrastructure/celerity/api.php
===================================================================
--- src/infrastructure/celerity/api.php
+++ src/infrastructure/celerity/api.php
@@ -52,10 +52,10 @@
 function celerity_get_resource_uri($resource) {
   $map = CelerityResourceMap::getInstance();
 
-  $info = $map->lookupFileInformation($resource);
-  if ($info) {
-    return $info['uri'];
-  } else {
-    return $resource;
+  $uri = $map->getFullyQualifiedURIForName($resource);
+  if ($uri) {
+    return $uri;
   }
+
+  return $resource;
 }
Index: src/infrastructure/lint/linter/PhabricatorJavelinLinter.php
===================================================================
--- src/infrastructure/lint/linter/PhabricatorJavelinLinter.php
+++ src/infrastructure/lint/linter/PhabricatorJavelinLinter.php
@@ -147,21 +147,20 @@
       $path);
     $need = $external_classes;
 
-    $info = $celerity->lookupFileInformation(substr($path, strlen('webroot')));
-    if (!$info) {
-      $info = array();
+    $resource_name = substr($path, strlen('webroot'));
+    $requires = $celerity->getRequiredSymbolsForName($resource_name);
+    if (!$requires) {
+      $requires = array();
     }
 
-    $requires = idx($info, 'requires', array());
-
-    foreach ($requires as $key => $name) {
-      $symbol_info = $celerity->lookupSymbolInformation($name);
+    foreach ($requires as $key => $symbol_name) {
+      $symbol_info = $celerity->lookupSymbolInformation($symbol_name);
       if (!$symbol_info) {
         $this->raiseLintAtLine(
           0,
           0,
           self::LINT_UNKNOWN_DEPENDENCY,
-          "This file @requires component '{$name}', but it does not ".
+          "This file @requires component '{$symbol_name}', but it does not ".
           "exist. You may need to rebuild the Celerity map.");
         unset($requires[$key]);
         continue;