internal/rosa: global preset flags

These changes preset behaviour globally. Useful for ad hoc workarounds for development or bootstrapping on resource-constrained systems.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/all_test.go

@@ -20,13 +20,16 @@ func TestLoad(t *testing.T) {
 }
 
 func BenchmarkAll(b *testing.B) {
+	flags := rosa.Flags()
+	b.Cleanup(func() { rosa.DropCaches(flags) })
+
 	for b.Loop() {
 		for i := range rosa.PresetEnd {
 			rosa.Std.Load(rosa.PArtifact(i))
 		}
 
 		b.StopTimer()
-		rosa.DropCaches()
+		rosa.DropCaches(0)
 		b.StartTimer()
 	}
 }