{ pkgs ? import {} }: pkgs.stdenv.mkDerivation rec { name = "dhall-simple"; src = if pkgs.stdenv.isDarwin then pkgs.fetchurl { url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.26.1/dhall-1.26.1-x86_64-macos.tar.bz2"; sha256 = "1mdgjcwpar53h8dmhq4x3n7s6idinzxyim6g2z1d7r7dwjqmmll6"; } else pkgs.fetchurl { url = "https://github.com/dhall-lang/dhall-haskell/releases/download/1.26.1/dhall-1.26.1-x86_64-linux.tar.bz2"; sha256 = "0sl4r3mfairgd6kn26hs1r1lkh8rn992grd73078rhqf5w90ag05"; }; installPhase = '' mkdir -p $out/bin DHALL=$out/bin/dhall install -D -m555 -T dhall $DHALL mkdir -p $out/etc/bash_completion.d/ $DHALL --bash-completion-script $DHALL > $out/etc/bash_completion.d/dhall-completion.bash ''; }