- Implement Platform.packageRoot and Platform.packageConfig based

tools/full-coverage.dart

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import "dart:async";
 import "dart:convert";
 import "dart:io";
 import "dart:isolate";
 
 import "package:args/args.dart";
@@ skipping 444 matching lines @@
   } else {
     env.sdkRoot = join(absolute(normalize(env.sdkRoot)), "lib");
   }
   if ((env.sdkRoot != null) && !FileSystemEntity.isDirectorySync(env.sdkRoot)) {
     fail("Provided SDK root '${args["sdk-root"]}' is not a valid SDK "
          "top-level directory");
   }
 
   env.pkgRoot = args["package-root"];
   if (env.pkgRoot != null) {
-    env.pkgRoot = absolute(normalize(args["package-root"]));
-    if (!FileSystemEntity.isDirectorySync(env.pkgRoot)) {
-      fail("Provided package root '${args["package-root"]}' is not directory.");
+    var pkgRootUri = Uri.parse(env.pkgRoot);
+    if (pkgRootUri.scheme == "file") {
+      if (!FileSystemEntity.isDirectorySync(pkgRootUri.toFilePath())) {
+        fail("Provided package root '${args["package-root"]}' is not directory.");
+      }
     }
   } else {
     env.pkgRoot = Platform.packageRoot;
   }
 
   if (args["in"] == null) {
     fail("No input files given.");
   } else {
     env.input = absolute(normalize(args["in"]));
     if (!FileSystemEntity.isDirectorySync(env.input) &&
@@ skipping 18 matching lines @@
   }
 
   try {
     env.workers = int.parse("${args["workers"]}");
   } catch (e) {
     fail("Invalid worker count: $e");
   }
 
   env.verbose = args["verbose"];
 }