{ fetchgit
, stdenv
, callPackage
}:

stdenv.lib.overrideDerivation (callPackage ./trivmix.nix {}) (attrs : {
  src = fetchgit {
    url = git://git.yggdrasil.li/trivmix;
    # nix-shell -p nix-prefetch-scripts --command 'nix-prefetch-git git://git.yggdrasil.li/beuteltier' 2>&1 | grep -E '(git revision|hash) is ' | sed -r 's/git revision is /rev = "/' | sed -r 's/hash is /sha256 = "/' | sed -r 's/$/";/'
    rev = "88bdbddd537bc3482058d50d84836b555495bdca";
    sha256 = "58b2e5809d1e6c50181ef18713a7c05766d531c5d8c5e8d00bc428e03ea0dcd8";
  };
})