flake/nixos/nvim/plugins/cmp.nix

{
  programs.nixvim = {
    plugins = {
      cmp = {
        enable = true;
        settings = {
          sources = [
            {
              name = "copilot";
              group_index = 2;
            }
            {
              name = "nvim_lsp";
              group_index = 2;
            }
            {
              name = "buffer";
              group_index = 2;
            }
            {
              name = "path";
              group_index = 2;
            }
          ];
          mapping = {
            "<C-Space>" = "cmp.mapping.complete()";
            "<C-d>" = "cmp.mapping.scroll_docs(-4)";
            "<C-e>" = "cmp.mapping.close()";
            "<C-f>" = "cmp.mapping.scroll_docs(4)";
            "<CR>" = "cmp.mapping.confirm({ select = false })";
            "<S-Tab>" = "cmp.mapping(cmp.mapping.select_prev_item(), {'i', 's'})";
            "<Tab>" = "cmp.mapping(cmp.mapping.select_next_item(), {'i', 's'})";
          };
        };
      };
      copilot-lua = {
        enable = true;
        settings = {
          suggestion.enabled = false;
          panel.enabled = false;
        };
      };
      copilot-cmp.enable = true;
    };
  };
}