{ 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 = "1a5d76465c0393d239266eec4aa9b6c1ada7d094"; sha256 = "e84bbb8bd6e4d0ce1c2d8a8ae0e4d458b5b2390c80f173e70fef7db3428a3ae1"; }; })