netatop: 3.1 -> 3.2.2 and fix build

  lib,

  stdenv,

  fetchurl,

  fetchpatch,

  kernel,

  kernelModuleMakeFlags,

  kmod,

}:

let

  version = "3.1";

  version = "3.2.2";

in

stdenv.mkDerivation {

  pname = "netatop";

  inherit version;

  name = "netatop-${kernel.version}-${version}";

  src = fetchurl {

    url = "http://www.atoptool.nl/download/netatop-${version}.tar.gz";

    sha256 = "0qjw8glfdmngfvbn1w63q128vxdz2jlabw13y140ga9i5ibl6vvk";

    url = "https://www.atoptool.nl/download/netatop-${version}.tar.gz";

    hash = "sha256-UIqJd809HN1nWHoTwl46QUZHtI+S0c44/BOLWRSuo/Y=";

  };

  nativeBuildInputs = kernel.moduleBuildDependencies;

  ];

  hardeningDisable = [ "pic" ];

  env.NIX_CFLAGS_COMPILE = toString [ "-Wno-error=implicit-fallthrough" ];

  patches = [

    # fix paths in netatop.service

    ./fix-paths.patch

    # Specify PIDFile in /run, not /var/run to silence systemd warning

    ./netatop.service.patch

    # fix install paths and install the .ko instead of trying to invoke dkms

    ./fix-makefile-install.patch

    # replace init_module as needed by Linux 6.15 and above (backwards compatible)

    (fetchpatch {

      url = "https://aur.archlinux.org/cgit/aur.git/plain/netatop_kernel_6.15.patch?h=netatop-dkms&id=e5da6fa4fee5499c3e437cdd34281dd2b200508f";

      hash = "sha256-JyNQNyDJQkM/hLpb/hp3Sw2tMA8XnYogduGDFqTQ3nQ=";

    })

  ];

  preConfigure = ''

    patchShebangs mkversion

    sed -i -e 's,^KERNDIR.*,KERNDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build,' \

        */Makefile

    sed -i -e 's,/lib/modules.*extra,'$out'/lib/modules/${kernel.modDirVersion}/extra,' \

        -e s,/usr,$out, \

        -e /init.d/d \

        -e /depmod/d \

        -e s,/lib/systemd,$out/lib/systemd, \

        Makefile

    kmod=${kmod} substituteAllInPlace netatop.service

  '';

  makeFlags = kernelModuleMakeFlags;

  preInstall = ''

    mkdir -p $out/lib/systemd/system $out/bin $out/sbin $out/share/man/man{4,8}

    mkdir -p $out/lib/modules/${kernel.modDirVersion}/extra

  '';

  makeFlags = kernelModuleMakeFlags ++ [

    "KERNDIR=${kernel.dev}/lib/modules/${kernel.modDirVersion}/build"

    "KMODDIRVERSION=${kernel.modDirVersion}"

    # netatop builds both the module and daemon at once, and the daemon needs a wrapped cc to build

    # pkgs/os-specific/linux/kernel/common-flags.nix unwraps the cc for kernel build, but we need the wrapped one

    "CC=${stdenv.cc}/bin/cc"

  ];

  meta = {

    description = "Network monitoring module for atop";

diff --color -ruN netatop-3.2.2.orig/Makefile netatop-3.2.2/Makefile

--- netatop-3.2.2.orig/Makefile	2025-11-07 13:09:10.106363095 -0500

+++ netatop-3.2.2/Makefile	2025-11-07 16:25:35.251434714 -0500

@@ -20,14 +20,12 @@

 install:		netatop.ko netatopd

-			cd /usr/src; dkms add -m netatop -v $(CURVERS)

-			dkms build   -m netatop -v $(CURVERS)

-			dkms install -m netatop -v $(CURVERS)

+			install -m 0644 netatop.ko -Dt $(out)/lib/modules/$(KMODDIRVERSION)/extra

 			#

-			install netatopd -t /usr/sbin

-			install -m 0644 netatop.service -t /lib/systemd/system

-			install man/netatop.4 -t /usr/share/man/man4

-			install man/netatopd.8 -t /usr/share/man/man8

+			install netatopd -Dt $(out)/sbin

+			install -m 0644 netatop.service -Dt $(out)/lib/systemd/system

+			install man/netatop.4 -Dt $(out)/share/man/man4

+			install man/netatopd.8 -Dt $(out)/share/man/man8

 clean:

 			rm -f *.o *.ko

--- a/netatop.service

+++ b/netatop.service

@@ -11,3 +11,3 @@

 ExecStopPost=@kmod@/bin/rmmod netatop

-PIDFile=/var/run/netatop.pid

+PIDFile=/run/netatop.pid

 RemainAfterExit=yes