{ callPackage, fetchFromGitHub, ... } @ args: callPackage ./generic.nix (args // rec { version = "3.0.1"; src = fetchFromGitHub { owner = "msgpack"; repo = "msgpack-c"; rev = "cpp-${version}"; sha256 = "0nr6y9v4xbvzv717j9w9lhmags1y2s5mq103v044qlyd2jkbg2p4"; }; })