{ depot, pkgs, lib, ... }: let ical-smolify = pkgs.writers.writeHaskell "ical-smolify" { libraries = [ pkgs.haskellPackages.iCalendar depot.users.Profpatsch.my-prelude depot.users.Profpatsch.execline.exec-helpers-hs ]; ghcArgs = [ "-threaded" ]; } ./IcalSmolify.hs; in ical-smolify.overrideAttrs (old: { meta = lib.recursiveUpdate old.meta or { } { # Dependency iCalendar no longer builds in nixpkgs due to a lack of maintenance upstream # https://github.com/nixos/nixpkgs/commit/13d10cc6e302e7d5800c6a08c1728b14c3801e26 ci.skip = true; }; })