{ pkgs, depot, ... }: let bag = pkgs.callPackage ({ emacsPackages }: emacsPackages.trivialBuild { pname = "bag"; version = "1.0.0"; src = ./bag.el; packageRequires = (with depot.users.wpcarro.emacs.pkgs; [ al list ]); }) { }; emacs = (pkgs.emacsPackagesFor pkgs.emacs28).emacsWithPackages (epkgs: [ bag ]); in bag.overrideAttrs (_old: { doCheck = true; checkPhase = '' ${emacs}/bin/emacs -batch \ -l ert -l ${./tests.el} -f ert-run-tests-batch-and-exit ''; })