{ lib, buildPackages, fetchurl, perl, buildLinux, nixosTests, modDirVersionArg ? null, ... } @ args: with lib; buildLinux (args // rec { version = "4.14.261"; # modDirVersion needs to be x.y.z, will automatically add .0 if needed modDirVersion = if (modDirVersionArg == null) then concatStringsSep "." (take 3 (splitVersion "${version}.0")) else modDirVersionArg; # branchVersion needs to be x.y extraMeta.branch = versions.majorMinor version; src = fetchurl { url = "mirror://kernel/linux/kernel/v4.x/linux-${version}.tar.xz"; sha256 = "08s7idxpsjb29ccj0gkrj87xhbdqj9nc417qc7gd2kmbjd6amymz"; }; } // (args.argsOverride or {}))