Nix and neovim with nodejs

neovim.nix

self: prev:

let
  neovim-unwrapped-master =
    (prev.neovim-unwrapped.override {
      lua = self.luajit;
    }).overrideAttrs(oldAttrs: {
      cmakeBuildType="debug";
      cmakeFlags = oldAttrs.cmakeFlags ++ [ "-DMIN_LOG_LEVEL=0" ];

      version = "master";
      src = builtins.fetchGit {
        url = https://github.com/neovim/neovim.git;
      };

      nativeBuildInputs = oldAttrs.nativeBuildInputs ++ [
        # self.pkgs.valgrind

        # testing between both
        self.pkgs.ccls
        self.pkgs.clang-tools  # for clangd
      ];

      buildInputs = oldAttrs.buildInputs ++ [
        self.pkgs.icu  # for treesitter unicode/ptypes.h
        self.pkgs.utf8proc
      ];

      # export NVIM_PROG
      # https://github.com/neovim/neovim/blob/master/test/README.md#configuration
      shellHook = oldAttrs.shellHook + ''
        export NVIM_PYTHON_LOG_LEVEL=DEBUG
        export NVIM_LOG_FILE=/tmp/log
        # export NVIM_PYTHON_LOG_FILE=/tmp/log
        export VALGRIND_LOG="$PWD/valgrind.log"
        export NVIM_TEST_PRINT_I=1
        export NVIM_TEST_MAIN_CDEFS=1
        echo "To run tests:"
        echo "VALGRIND=1 TEST_FILE=test/functional/core/job_spec.lua TEST_TAG=env make functionaltest"
      '';
    });
in
{
  neovim-unwrapped = prev.wrapNeovim neovim-unwrapped-master {
    withNodeJs = true;
  };
}