nixpkgs/pkgs/applications/editors/yi/wrapper.nix

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# Note: this relies on dyre patched for NIX_GHC which is done in
# haskell-ng only.
#
# To use this for hacking of your Yi config file, drop into a shell
# with env attribute.
{ stdenv, makeWrapper
, haskellPackages
, extraPackages ? (s: [])
}:
let
yiEnv = haskellPackages.ghcWithPackages
(self: [ self.yi ] ++ extraPackages self);
in
stdenv.mkDerivation {
name = "yi-custom";
version = "0.0.0.1";
unpackPhase = "true";
nativeBuildInputs = [ makeWrapper ];
buildCommand = ''
mkdir -p $out/bin
makeWrapper ${haskellPackages.yi}/bin/yi $out/bin/yi \
--set NIX_GHC ${yiEnv}/bin/ghc
'';
# For hacking purposes
env = yiEnv;
}