Make package: work like Dart expects in preparation for a Sky SDK

sky/tools/skydb

Index: sky/tools/skydb
diff --git a/sky/tools/skydb b/sky/tools/skydb
index b3b67db2cb9675cfb90d0feb860e58a310acbbe7..5c23eee9203b7dfe3224578f465731e356a260ce 100755
--- a/sky/tools/skydb
+++ b/sky/tools/skydb
@@ -139,13 +139,12 @@ class SkyDebugger(object):
 
         return shell_command
 
-    def sky_server_for_args(self, args):
+    def sky_server_for_args(self, args, packages_root):
         # FIXME: This is a hack.  sky_server should just take a build_dir
         # not a magical "configuration" name.
         configuration = os.path.basename(os.path.normpath(self.paths.build_dir))
         server_root = self._server_root_for_url(args.url_or_path)
-        sky_server = SkyServer(SKY_SERVER_PORT, configuration, server_root)
-        return sky_server
+        return SkyServer(SKY_SERVER_PORT, configuration, server_root, packages_root)
 
     def _create_paths_for_build_dir(self, build_dir):
         # skypy.paths.Paths takes a root-relative build_dir argument. :(
@@ -188,7 +187,18 @@ class SkyDebugger(object):
             print "Cannot debug Release builds on Android"
             sys.exit(2)
 
-        sky_server = self.sky_server_for_args(args)
+        sdk_root = os.path.join(self.paths.build_dir, 'gen', 'sky_sdk')
+        packages_root = os.path.join(sdk_root, 'packages_root')
+        subprocess.check_call([
+            os.path.join(self.paths.sky_tools_directory, 'deploy_sdk.py'),
+            '--build-dir', self.paths.build_dir,
+            '--force',
+            '--dev-environment',
+            '--fake-pub-get-into', packages_root,
+            sdk_root,
+        ])
+
+        sky_server = self.sky_server_for_args(args, packages_root)
         self.pids['sky_server_pid'] = sky_server.start()
         self.pids['sky_server_port'] = sky_server.port
         self.pids['sky_server_root'] = sky_server.root