refactor(@angular/cli): hide link cli option

Author: Charles Lyding

packages/@angular/cli/commands/new.ts

@@ -39,7 +39,8 @@ const NewCommand = Command.extend({
       type: Boolean,
       default: false,
       aliases: ['lc'],
-      description: 'Automatically link the `@angular/cli` package.'
+      description: 'Automatically link the `@angular/cli` package.',
+      hidden: true
     },
     {
       name: 'skip-install',

tests/e2e/tests/commands/help/help-hidden.ts

@@ -13,5 +13,14 @@ export default function() {
           in help output.
         `);
       }
-    });
+    })
+    .then(() => silentNg('--help', 'new'))
+    .then(({ stdout }) => {
+      if (stdout.match(/--link-cli/)) {
+        throw new Error(oneLine`
+          Expected to not match "--link-cli"
+          in help output.
+        `);
+      }
+    })
 }