{ callPackage, fetchFromGitHub, ... } @ args: callPackage ./generic.nix (args // rec { version = "1.0.0"; src = fetchFromGitHub { owner = "msgpack"; repo = "msgpack-c"; rev = "cpp-${version}"; sha256 = "0vkhjil4rh5z9kvjfgzm79kfqwvlimvv49q74wlsjx7vgvv9019d"; }; })