Small fix to newlines when formatting is disabled, prepare for release (dart-lang/source_gen#332)

Author: kevmoo

source_gen/source_gen/CHANGELOG.md

@@ -1,3 +1,9 @@
+## 0.8.1+2
+
+* Eliminate redundant new lines in the core builder. These were almost removed
+  by running the default formatter. Now the unformatted code more closely
+  matches the default output. 
+
 ## 0.8.1+1
 
 * Support `package:analyzer` `0.32.0`.

source_gen/source_gen/lib/src/builder.dart

@@ -105,18 +105,19 @@ class _Builder extends Builder {
         // TODO: Upgrade to error in a future breaking change?
         log.warning('Missing "part \'$part\';".');
       }
+      contentBuffer.writeln();
       contentBuffer.writeln('part of $name;');
       contentBuffer.writeln();
     }
 
     for (var output in generatedOutputs) {
       contentBuffer
-        ..writeln('')
+        ..writeln()
         ..writeln(_headerLine)
         ..writeln('// Generator: ${output.generator}')
         ..writeln(_headerLine)
-        ..writeln('')
-        ..writeln(output.output);
+        ..writeln()
+        ..write(output.output);
     }
 
     var genPartContent = contentBuffer.toString();
@@ -226,7 +227,6 @@ Stream<GeneratedOutput> _generate(LibraryElement library,
 final _formatter = new DartFormatter();
 
 const defaultFileHeader = '''// GENERATED CODE - DO NOT MODIFY BY HAND
-
 ''';
 
 final _headerLine = '// '.padRight(77, '*');

source_gen/source_gen/pubspec.yaml

@@ -1,5 +1,5 @@
 name: source_gen
-version: 0.8.1+1
+version: 0.8.1+2
 author: Dart Team <misc@dartlang.org>
 description: Automated source code generation for Dart.
 homepage: https://github.com/dart-lang/source_gen

source_gen/source_gen/test/builder_test.dart

@@ -152,7 +152,7 @@ void main() {
         generateFor: new Set.from(['$_pkgName|lib/a.dart']),
         outputs: {
           '$_pkgName|lib/a.g.dart':
-              decodedMatches(startsWith('$_customHeader\npart of')),
+              decodedMatches(startsWith('$_customHeader\n\npart of')),
         });
   });