oddlama_nix-config/users/myuser/dev/manpager.nix

{
  lib,
  pkgs,
  ...
}:
{
  home.sessionVariables.MANPAGER =
    let
      prg = lib.getExe (
        pkgs.nixvim.makeNixvim {
          package = pkgs.neovim-clean;

          opts = {
            buftype = "nowrite";
            backup = false;
            modeline = false;
            shelltemp = false;
            swapfile = false;
            undofile = false;
            writebackup = false;
            virtualedit = "all";
            splitkeep = "screen";
            termguicolors = false;
            ignorecase = true;
            smartcase = true;
          };

          extraConfigLua = ''
            vim.opt.shadafile = vim.fn.stdpath "state" .. "/shada/man.shada";
          '';

          keymaps = [
            {
              action = "<C-]>";
              key = "<CR>";
              mode = [ "n" ];
              options = {
                silent = true;
                desc = "Jump to tag under cursor";
              };
            }
            {
              action = ":pop<CR>";
              key = "<BS>";
              mode = [ "n" ];
              options = {
                silent = true;
                desc = "Jump to previous tag in stack";
              };
            }
            {
              action = ":pop<CR>";
              key = "<C-Left>";
              mode = [ "n" ];
              options = {
                silent = true;
                desc = "Jump to previous tag in stack";
              };
            }
            {
              action = ":tag<CR>";
              key = "<C-Right>";
              mode = [ "n" ];
              options = {
                silent = true;
                desc = "Jump to next tag in stack";
              };
            }
          ];
        }
      );
    in
    "${prg} '+Man!'";
}