Download neovim plugins from GitHub using Nix and home-manager

neovim.nix

{
  pkgs,
  lib,
  ...
}: let
  fromGitHub = ref: repo:
    pkgs.vimUtils.buildVimPluginFrom2Nix {
      pname = "${lib.strings.sanitizeDerivationName repo}";
      version = ref;
      src = builtins.fetchGit {
        inherit ref;
        url = "https://github.com/${repo}.git";
      };
    };
in {
  programs.neovim = {
    enable = true;
    package = pkgs.neovim-unwrapped;
    vimAlias = true;
    vimdiffAlias = true;
    withNodeJs = true;
    withPython3 = true;
    plugins = with pkgs.vimPlugins; [
      (fromGitHub "HEAD" "user/repo")
    ];
}