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

   1 {
   2   lib,
   3   stdenv,
   4   writeScriptBin,
   5   makeWrapper,
   6   buildEnv,
   7   ghcWithPackages,
   8   jupyter,
   9   packages,
  10 }:
  11 let
  12   ihaskellEnv = ghcWithPackages (
  13     self:
  14     [
  15       self.ihaskell
  16       self.ihaskell-blaze
  17       # Doesn't work with latest ihaskell versions missing an unrelated change
  18       # https://github.com/IHaskell/IHaskell/issues/1378
  19       # self.ihaskell-diagrams
  20     ]
  21     ++ packages self
  22   );
  23   ihaskellSh = writeScriptBin "ihaskell-notebook" ''
  24     #! ${stdenv.shell}
  25     export GHC_PACKAGE_PATH="$(echo ${ihaskellEnv}/lib/*/package.conf.d| tr ' ' ':'):$GHC_PACKAGE_PATH"
  26     export PATH="${
  27       lib.makeBinPath ([
  28         ihaskellEnv
  29         jupyter
  30       ])
  31     }''${PATH:+:}$PATH"
  32     ${ihaskellEnv}/bin/ihaskell install -l $(${ihaskellEnv}/bin/ghc --print-libdir) && ${jupyter}/bin/jupyter notebook
  33   '';
  34 in
  35 buildEnv {
  36   name = "ihaskell-with-packages";
  37   nativeBuildInputs = [ makeWrapper ];
  38   paths = [
  39     ihaskellEnv
  40     jupyter
  41   ];
  42   postBuild = ''
  43     ln -s ${ihaskellSh}/bin/ihaskell-notebook $out/bin/
  44     for prg in $out/bin"/"*;do
  45       if [[ -f $prg && -x $prg ]]; then
  46         wrapProgram $prg --set PYTHONPATH "$(echo ${jupyter}/lib/*/site-packages)"
  47       fi
  48     done
  49   '';
  50 }