gistfile1.txt

    packageOverrides = super: let self = super.pkgs; in {
      mpv = super.mpv.override { jackaudioSupport = true; };
      imagemagick = super.imagemagick.overrideAttrs(old: rec {
        version = "6.9.9-23";
        sha256 = "0cd6zcbcfvznf0i3q4xz1c4wm4cfplg4zc466lvlb1w8qbn25948";
      });
    };