Index: .arcconfig
===================================================================
--- .arcconfig
+++ .arcconfig
@@ -3,7 +3,6 @@
   "conduit_uri" : "https://secure.phabricator.com/api/",
   "lint.engine" : "PhabricatorLintEngine",
   "unit.engine" : "PhutilUnitTestEngine",
-  "copyright_holder" : "Facebook, Inc.",
   "phutil_libraries" : {
     "phabricator" : "src/"
   },
Index: LICENSE
===================================================================
--- /dev/null
+++ LICENSE
@@ -0,0 +1,13 @@
+Copyright 2012 Facebook, Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+   http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.