{ lib, kernel, kernelModuleMakeFlags, stdenv, fetchFromCodeberg, libgcrypt, lvm2, }: stdenv.mkDerivation (finalAttrs: { name = "${finalAttrs.pname}-${finalAttrs.version}-${kernel.version}"; pname = "shufflecake"; version = "0.5.8"; src = fetchFromCodeberg { owner = "shufflecake"; repo = "shufflecake-c"; rev = "v${finalAttrs.version}"; hash = "sha256-eI5tWujUHj9S8d1aOFMuokjVWI2GGEml68cuQ6K0/C8="; }; nativeBuildInputs = kernel.moduleBuildDependencies; buildInputs = [ libgcrypt lvm2 ]; makeFlags = kernelModuleMakeFlags ++ [ "KERNEL_DIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build" ] # Use wrapped gcc compiler since the unwrapped one fails to find the # headers. ++ lib.optionals stdenv.cc.isGNU [ "CC=${stdenv.cc.targetPrefix}cc" ]; outputs = [ "out" "bin" ]; installPhase = '' install -Dm444 dm-sflc.ko $out/lib/modules/${kernel.modDirVersion}/drivers/md/dm-sflc.ko install -Dm555 shufflecake $bin/shufflecake ''; meta = { description = "Plausible deniability (hidden storage) layer for Linux"; homepage = "https://shufflecake.net"; license = lib.licenses.gpl2Only; maintainers = with lib.maintainers; [ oluceps ]; outputsToInstall = [ "bin" ]; platforms = lib.platforms.linux; broken = kernel.kernelOlder "6.1" || kernel.meta.name == "linux-lqx-6.12.1"; }; })