thing.nix

self: super: {
  vimdiff = super.writeScriptBin "vimdiff" "exec ${super.neovim}/bin/nvim -d \"$@\"";
  neovim = (super.neovim.override { viAlias = true; vimAlias = true; }).overrideAttrs (oldAttrs: {
      buildCommand = oldAttrs.buildCommand + ''
        ln -s ${vimdiff}/bin/vimdiff $out/bin/vimdiff
      '';
    });
}

self: super: {
  neovim =
  let
    vimdiff = super.writeScript "vimdiff" "exec ${super.neovim}/bin/nvim -d \"$@\"";
  in
  (super.neovim.override { viAlias = true; vimAlias = true; }).overrideAttrs (oldAttrs: {
    buildCommand = oldAttrs.buildCommand + ''
      ln -s ${vimdiff} $out/bin/vimdiff
    '';
  });
}