$ pp-aterm -i $(nix-instantiate hello.nix)
Derive(
  [("out", "/nix/store/6flbdbpq6sc1dc79xjx01bz43zwgj3wc-hello", "", "")]
, [("/nix/store/8z4xw8a0ax1csa0l83zflsm4jw9c94w2-bash-4.3-p39.drv", ["out"]), ("/nix/store/j0905apmxw2qb4ng5j40d4ghpiwa3mi1-stdenv.drv", ["out"])]
, ["/nix/store/0q6pfasdma4as22kyaknk4kwx4h58480-hello-2.10.tar.gz", "/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"]
, "x86_64-linux"
, "/nix/store/zmd4jk4db5lgxb8l93mhkvr3x92g2sx2-bash-4.3-p39/bin/bash"
, ["-e", "/nix/store/9krlzvny65gdc8s7kpb6lkx8cd02c25b-default-builder.sh"]
, [ ("buildInputs", "")
  , ("builder", "/nix/store/zmd4jk4db5lgxb8l93mhkvr3x92g2sx2-bash-4.3-p39/bin/bash")
  , ("name", "hello")
  , ("nativeBuildInputs", "")
  , ("out", "/nix/store/6flbdbpq6sc1dc79xjx01bz43zwgj3wc-hello")
  , ("propagatedBuildInputs", "")
  , ("propagatedNativeBuildInputs", "")
  , ("src", "/nix/store/0q6pfasdma4as22kyaknk4kwx4h58480-hello-2.10.tar.gz")
  , ("stdenv", "/nix/store/k4jklkcag4zq4xkqhkpy156mgfm34ipn-stdenv")
  , ("system", "x86_64-linux")
  ]
)