fix(@angular/cli): exit with error code if unknown option is present

Author: clydin

packages/angular/cli/models/architect-command.ts

@@ -182,18 +182,17 @@ export abstract class ArchitectCommand extends Command<ArchitectCommandOptions>
             if (unknownProperty in options) {
               const dashes = unknownProperty.length === 1 ? '-' : '--';
               this.logger.fatal(`Unknown option: '${dashes}${unknownProperty}'`);
+              continue;
             }
           }
           newErrors.push(schemaError);
         }
 
         if (newErrors.length > 0) {
           this.logger.error(new schema.SchemaValidationException(newErrors).message);
-
-          return 1;
         }
 
-        return 0;
+        return 1;
       } else {
         throw e;
       }

tests/legacy-cli/e2e/tests/commands/unknown-option.ts

@@ -2,11 +2,17 @@ import { execAndWaitForOutputToMatch, ng } from '../../utils/process';
 import { expectToFail } from '../../utils/utils';
 
 export default async function() {
-  // await expectToFail(() => ng('build', '--notanoption'));
+  await expectToFail(() => ng('build', '--notanoption'));
 
   await execAndWaitForOutputToMatch(
     'ng',
     [ 'build', '--notanoption' ],
     /Unknown option: '--notanoption'/,
   );
+
+  await expectToFail(() => execAndWaitForOutputToMatch(
+    'ng',
+    [ 'build', '--notanoption' ],
+    /should NOT have additional properties\(notanoption\)./,
+  ));
 }