{ stdenv, buildPackages, fetchurl, perl, buildLinux, modDirVersionArg ? null, ... } @ args: with stdenv.lib; buildLinux (args // rec { version = "5.4.55"; # modDirVersion needs to be x.y.z, will automatically add .0 if needed modDirVersion = if (modDirVersionArg == null) then concatStringsSep "." (take 3 (splitVersion "${version}.0")) else modDirVersionArg; # branchVersion needs to be x.y extraMeta.branch = versions.majorMinor version; src = fetchurl { url = "mirror://kernel/linux/kernel/v5.x/linux-${version}.tar.xz"; sha256 = "0h7r9ggc6412hb20f3sy6k7mlbwif137w6shv31xmvw0iv9ky2yc"; }; } // (args.argsOverride or {}))