overlay.nix


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{
    inputs,
    system,
    ...
  }: final: prev: {
    unstable = import inputs.nixpkgs-unstable {
        inherit system;
        config.allowUnfree = true;
    };

    unciv = prev.unciv.overrideAttrs (old: rec {
        version = "4.18.14";
        src = prev.fetchurl {
          url = "https://github.com/yairm210/Unciv/releases/download/${version}-patch1/Unciv.jar";
          hash = "sha256-ykyHaIxnahC8D8ZAqzGnwNhc7mUX25uO4hEWKz+7p7o=";
        };
    });

    cataclysm-dda = prev.cataclysm-dda.overrideAttrs (old: {
      version = "0.I";
      src = prev.fetchFromGitHub {
        owner = "CleverRaven";
        repo = "Cataclysm-DDA";
        tag = "cdda-0.I-2025-10-02-0217";
        sha256 = "sha256-wD11w1u4hJfvh003ce+7Kq3/OgZDDDDd3VUh7fDgY5Q=";
      };
      patches = [];
    });

    cataclysm-tlg = prev.cataclysm-dda-git.overrideAttrs (old: {
        meta.mainProgram = "cataclysm-tlg-tiles";
        pname = "cataclysm-tlg";
        version = "2025-10-17-1123";
        src = prev.fetchFromGitHub {
            owner = "Cataclysm-TLG";
            repo = "Cataclysm-TLG";
            tag = "cataclysm-tlg-1.0-${final.cataclysm-tlg.version}";
            sha256 = "sha256-rpfRBVKyFTLOLl8AOdTueaXI+TozVAEGy5aycoE+ZDs=";
        };
        makeFlags = prev.cataclysm-dda-git.makeFlags ++ [ "TESTS=0" ];
        postInstall = ''
            substituteInPlace $out/share/applications/com.cataclysm-tlg.cataclysm-tlg.desktop \
              --replace-fail "Exec=cataclysm-tlg-tiles" "Exec=$out/bin/cataclysm-tlg-tiles"
            rm $out/bin/zzip
        '';
    });
}