flake/nixos/packages/overlays/firefox.nix

{ ... }:

{
  nixpkgs = {
    overlays = [
      (final: prev:
        {
          firefox-unwrapped = prev.firefox-unwrapped.overrideAttrs (old: {
          # Firefox but with .mozilla moved to .config/mozilla
          # .patch file from aur/firefox-xdg
          # dont actually use this, it take ages to build... =.=
            patches = (old.patches or []) ++ [
              (prev.fetchgit {
                url = "https://aur.archlinux.org/firefox-xdg.git";
                rev = "ab291ab81140867dea4c08e4e1e4e3da0c73e4a6";
                hash = "sha256-6VgCt028qs/Y5kl20qLUYwFI63pItsHPbLimOFIdsyo=";
                sparseCheckout = [
                  "firefox-xdg-support.diff"
                ];
              } + "/firefox-xdg-support.diff")
            ];
          });
        }
      )
    ];
  };
}