// covMetaFileName field if 'genCoverMeta' flag is set.
func newBuildActor(p *load.Package, genCoverMeta bool) *buildActor {
	ba := &buildActor{}
	if genCoverMeta {
		ba.covMetaFileName = covcmd.MetaFileForPackage(p.ImportPath)
	}
	return ba
}

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