Make `ensureVersionFile` a `Future<void>` function. (#18631)

0a3179fb · Florian Loitsch · GitHub · a4599b02 · 0a3179fb
Unverified Commit 0a3179fb authored Jun 20, 2018 by Florian Loitsch Committed by GitHub Jun 20, 2018
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version.dart packages/flutter_tools/lib/src/version.dart +1 -1

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--- a/packages/flutter_tools/lib/src/version.dart
+++ b/packages/flutter_tools/lib/src/version.dart
@@ -87,7 +87,7 @@ class FlutterVersion {
  String get engineRevision => Cache.instance.engineRevision;
  String get engineRevisionShort => _shortGitRevision(engineRevision);

-  Future<Null> ensureVersionFile() {
+  Future<void> ensureVersionFile() {
    return fs.file(fs.path.join(Cache.flutterRoot, 'version')).writeAsString(_frameworkVersion);
  }