{ stdenv , bash }: { app , env ? "" , argv # bash array as string, example: argv=''(-f "file with spaces" -t 10)'' , program ? "bin/run" }: stdenv.mkDerivation { inherit argv; name = "${app.name}-argv"; preferLocalBuild = true; phases = [ "installPhase" ]; installPhase = '' mkdir -p $out/bin cat > $out/bin/run <