}
	return ba
}

func (ba *buildActor) Act(b *Builder, ctx context.Context, a *Action) error {
	return b.build(ctx, a)
}

// pgoActionID computes the action ID for a preprocess PGO action.
func (b *Builder) pgoActionID(input string) cache.ActionID {
	h := cache.NewHash("preprocess PGO profile " + input)

	fmt.Fprintf(h, "preprocess PGO profile\n")