Ensure react-native-renderer package gets copied

Gruntfile.js

@@ -75,6 +75,7 @@ module.exports = function(grunt) {
   grunt.registerTask('npm-react-dom:pack', npmReactDOMTasks.packRelease);
 
   var npmReactNativeTasks = require('./grunt/tasks/npm-react-native');
+  grunt.registerTask('npm-react-native:release', npmReactNativeTasks.buildRelease);
   grunt.registerTask('npm-react-native:pack', npmReactNativeTasks.packRelease);
 
   var npmReactAddonsTasks = require('./grunt/tasks/npm-react-addons');
@@ -130,6 +131,7 @@ module.exports = function(grunt) {
     'npm-react:pack',
     'npm-react-dom:release',
     'npm-react-dom:pack',
+    'npm-react-native:release',
     'npm-react-native:pack',
     'npm-react-addons:release',
     'npm-react-addons:pack',

grunt/tasks/npm-react-native.js

@@ -3,6 +3,30 @@
 var fs = require('fs');
 var grunt = require('grunt');
 
+var src = 'packages/react-native-renderer/';
+var dest = 'build/packages/react-native-renderer/';
+
+function buildRelease() {
+  if (grunt.file.exists(dest)) {
+    grunt.file.delete(dest);
+  }
+
+  // Copy to build/packages/react-native-renderer
+  var mappings = [].concat(
+    grunt.file.expandMapping('**/*', dest, {cwd: src}),
+    grunt.file.expandMapping('{LICENSE,PATENTS}', dest)
+  );
+  mappings.forEach(function(mapping) {
+    var mappingSrc = mapping.src[0];
+    var mappingDest = mapping.dest;
+    if (grunt.file.isDir(mappingSrc)) {
+      grunt.file.mkdir(mappingDest);
+    } else {
+      grunt.file.copy(mappingSrc, mappingDest);
+    }
+  });
+}
+
 function packRelease() {
   var done = this.async();
   var spawnCmd = {
@@ -17,5 +41,6 @@ function packRelease() {
 }
 
 module.exports = {
+  buildRelease: buildRelease,
   packRelease: packRelease,
 };