fix: bypass Watchman check

Fix angular#2791

Author: filipesilva

packages/angular-cli/lib/cli/index.js

@@ -3,6 +3,7 @@
 // This file hooks up on require calls to transpile TypeScript.
 const cli = require('ember-cli/lib/cli');
 const UI = require('ember-cli/lib/ui');
+const Watcher = require('ember-cli/lib/models/watcher');
 const path = require('path');
 
 Error.stackTraceLimit = Infinity;
@@ -12,6 +13,12 @@ module.exports = function(options) {
   // patch UI to not print Ember-CLI warnings (which don't apply to Angular-CLI)
   UI.prototype.writeWarnLine = function () { }
 
+  // patch Watcher to always default to node, not checking for Watchman
+  Watcher.detectWatcher = function(ui, _options){
+    options.watcher = 'node';
+    return Promise.resolve(options);
+  }
+
   const oldStdoutWrite = process.stdout.write;
   process.stdout.write = function (line) {
     line = line.toString();