using latest pkg/build

Author: kevmoo

pubspec.yaml

@@ -7,7 +7,7 @@ environment:
   sdk: '>=1.12.0 <2.0.0'
 dependencies:
   analyzer: '^0.27.3-alpha.1'
-  build: ^0.2.0
+  build: ^0.2.1
   cli_util: ^0.0.1
   dart_style: '>=0.1.7 <0.3.0'
   path: ^1.3.2

tool/build.dart

@@ -8,5 +8,5 @@ import 'package:build/build.dart';
 import 'phases.dart';
 
 main() async {
-  build(phases);
+  build(phases, deleteFilesByDefault: true);
 }

tool/travis.sh

@@ -10,7 +10,7 @@ set -e
 pub run test
 
 # Run the build.dart file - just to make sure it works
-echo y | dart --checked build.dart
+dart --checked build.dart
 
 # Install dart_coveralls; gather and send coverage data.
 if [ "$COVERALLS_TOKEN" ] && [ "$TRAVIS_DART_VERSION" = "stable" ]; then

tool/watch.dart

@@ -8,5 +8,5 @@ import 'package:build/build.dart';
 import 'phases.dart';
 
 main() {
-  watch(phases);
+  watch(phases, deleteFilesByDefault: true);
 }