Make AppContext immutable and race-free (#15984)
This updates AppContext per the recommendations in #15352
Fixes #15352
diff --git a/packages/flutter_tools/lib/src/artifacts.dart b/packages/flutter_tools/lib/src/artifacts.dart
index e1c8b01..f539a5a 100644
--- a/packages/flutter_tools/lib/src/artifacts.dart
+++ b/packages/flutter_tools/lib/src/artifacts.dart
@@ -84,8 +84,8 @@
abstract class Artifacts {
static Artifacts get instance => context[Artifacts];
- static void useLocalEngine(String engineSrcPath, EngineBuildPaths engineBuildPaths) {
- context.setVariable(Artifacts, new LocalEngineArtifacts(engineSrcPath, engineBuildPaths.targetEngine, engineBuildPaths.hostEngine));
+ static LocalEngineArtifacts getLocalEngine(String engineSrcPath, EngineBuildPaths engineBuildPaths) {
+ return new LocalEngineArtifacts(engineSrcPath, engineBuildPaths.targetEngine, engineBuildPaths.hostEngine);
}
// Returns the requested [artifact] for the [platform] and [mode] combination.