add a temporary .analysis_options for flutter_tools (#3376)
diff --git a/packages/flutter_tools/.analysis_options b/packages/flutter_tools/.analysis_options
new file mode 100644
index 0000000..32e9da2
--- /dev/null
+++ b/packages/flutter_tools/.analysis_options
@@ -0,0 +1,18 @@
+# A temporary file to do some validation in the flutter_tools project. This will
+# go away once we unify `flutter analyze` and analysis server based products.
+
+analyzer:
+ language:
+ enableStrictCallChecks: true
+ enableSuperMixins: true
+ errors:
+ todo: ignore
+linter:
+ rules:
+ - avoid_empty_else
+ - always_declare_return_types
+ - always_specify_types
+ - annotate_overrides
+ - sort_unnamed_constructors_first
+ - unnecessary_brace_in_string_interp
+ - unnecessary_getters_setters
