{ 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 = "79135b272877b2f5c8451787f083f914a25c1107";
    sha256 = "a855d33cabea92aecdea7f06d0b9c235641874c8baed735bd319cf27c1be9e1c";
  };
})