{ callPackage, fetchFromGitHub, ... } @ args: callPackage ./generic.nix (args // rec { version = "2.1.5"; src = fetchFromGitHub { owner = "msgpack"; repo = "msgpack-c"; rev = "cpp-${version}"; sha256 = "0n4kvma3dldfsvv7b0zw23qln6av5im2aqqd6m890i75zwwkw0zv"; }; })