{ callPackage, fetchFromGitHub, ... } @ args: callPackage ./generic.nix (args // rec { version = "2.0.0"; src = fetchFromGitHub { owner = "msgpack"; repo = "msgpack-c"; rev = "cpp-${version}"; sha256 = "189m44pwpcpf7g4yhzfla4djqyp2kl54wxmwfaj94gwgj5s370i7"; }; })