Fixes #9168

Summary:
Imports missing commit from the rnpm master.
Closes https://github.com/facebook/react-native/pull/9179

Differential Revision: D3661909

fbshipit-source-id: 23ebd3b96f236ab140f91eb4ed9f456d7c925027

local-cli/rnpm/core/src/findPlugins.js

@@ -8,13 +8,29 @@ const flatten = require('lodash').flatten;
  * @param  {String} dependency Name of the dependency
  * @return {Boolean}           If dependency is a rnpm plugin
  */
-const isPlugin = (dependency) => dependency.indexOf('rnpm-plugin-') === 0;
+const isRNPMPlugin = (dependency) => dependency.indexOf('rnpm-plugin-') === 0;
+const isReactNativePlugin = (dependency) => dependency.indexOf('react-native-') === 0;
+
+const readPackage = (folder) => {
+  try {
+    return require(path.join(folder, 'package.json'));
+  } catch (e) {
+    return null;
+  }
+};
+
+const findPluginsInReactNativePackage = (pjson) => {
+  if (!pjson.rnpm || !pjson.rnpm.plugin) {
+    return [];
+  }
+
+  return path.join(pjson.name, pjson.rnpm.plugin);
+};
 
 const findPluginInFolder = (folder) => {
-  var pjson;
-  try {
-    pjson = require(path.join(folder, 'package.json'));
-  } catch (e) {
+  const pjson = readPackage(folder);
+
+  if (!pjson) {
     return [];
   }
 
@@ -23,7 +39,22 @@ const findPluginInFolder = (folder) => {
     Object.keys(pjson.devDependencies || {})
   );
 
-  return deps.filter(isPlugin);
+  return deps.reduce(
+    (acc, pkg) => {
+      if (isRNPMPlugin(pkg)) {
+        return acc.concat(pkg);
+      }
+      if (isReactNativePlugin(pkg)) {
+        const pkgJson = readPackage(path.join(folder, 'node_modules', pkg));
+        if (!pkgJson) {
+          return acc;
+        }
+        return acc.concat(findPluginsInReactNativePackage(pkgJson));
+      }
+      return acc;
+    },
+    []
+  );
 };
 
 /**