pkgs/development/tools/haskell/ihaskell/wrapper.nix

   1 { lib, stdenv, writeScriptBin, makeWrapper, buildEnv, haskell, ghcWithPackages, jupyter, packages }:
   2 let
   3   ihaskellEnv = ghcWithPackages (self: [
   4     self.ihaskell
   5     self.ihaskell-blaze
   6     # Doesn't work with latest ihaskell versions missing an unrelated change
   7     # https://github.com/IHaskell/IHaskell/issues/1378
   8     # self.ihaskell-diagrams
   9   ] ++ packages self);
  10   ihaskellSh = writeScriptBin "ihaskell-notebook" ''
  11     #! ${stdenv.shell}
  12     export GHC_PACKAGE_PATH="$(echo ${ihaskellEnv}/lib/*/package.conf.d| tr ' ' ':'):$GHC_PACKAGE_PATH"
  13     export PATH="${lib.makeBinPath ([ ihaskellEnv jupyter ])}''${PATH:+:}$PATH"
  14     ${ihaskellEnv}/bin/ihaskell install -l $(${ihaskellEnv}/bin/ghc --print-libdir) && ${jupyter}/bin/jupyter notebook
  15   '';
  16 in
  17 buildEnv {
  18   name = "ihaskell-with-packages";
  19   nativeBuildInputs = [ makeWrapper ];
  20   paths = [ ihaskellEnv jupyter ];
  21   postBuild = ''
  22     ln -s ${ihaskellSh}/bin/ihaskell-notebook $out/bin/
  23     for prg in $out/bin"/"*;do
  24       if [[ -f $prg && -x $prg ]]; then
  25         wrapProgram $prg --set PYTHONPATH "$(echo ${jupyter}/lib/*/site-packages)"
  26       fi
  27     done
  28   '';
  29 }