# How to use/test:
#   nix-build neovim.nix -o neovim
#   neovim/bin/nvim

let
  nixpkgs-unstable-pin = fetchTarball {
    url = "https://releases.nixos.org/nixos/unstable/nixos-21.11pre308897.e41ba381140/nixexprs.tar.xz";
    sha256 = "1smkm0z569lp321m7jsyy1fvnvl2nc8vh2nak946r9fd4hl4px4p";
  };
in
{ pkgs ? import nixpkgs-unstable-pin {}
}:
let
  inherit (pkgs) callPackage lib makeWrapper symlinkJoin neovim;
  perlForNeovim = callPackage ./perl.nix {};
in
symlinkJoin {
  name = "${lib.getName neovim}-wrapper";
  nativeBuildInputs = [ makeWrapper ];
  paths = [ neovim ];
  postBuild = ''
    wrapProgram "$out"/bin/nvim \
      --prefix PATH : ${lib.escapeShellArg (lib.makeBinPath [ perlForNeovim ])}
  '';
}