networkmanager: add withSystemd option

pkgs/tools/networking/networkmanager/default.nix

@@ -6,7 +6,6 @@
 , pkg-config
 , dbus
 , gnome
-, systemd
 , libuuid
 , polkit
 , gnutls
@@ -51,6 +50,9 @@
 , runtimeShell
 , buildPackages
 , nixosTests
+, systemd
+, udev
+, withSystemd ? lib.meta.availableOn stdenv.hostPlatform systemd
 }:
 
 let
@@ -74,7 +76,8 @@ stdenv.mkDerivation rec {
     # System paths
     "--sysconfdir=/etc"
     "--localstatedir=/var"
-    "-Dsystemdsystemunitdir=${placeholder "out"}/etc/systemd/system"
+    (lib.mesonOption "systemdsystemunitdir"
+      (if withSystemd then "${placeholder "out"}/etc/systemd/system" else "no"))
     # to enable link-local connections
     "-Dudev_dir=${placeholder "out"}/lib/udev"
     "-Ddbus_conf_dir=${placeholder "out"}/share/dbus-1/system.d"
@@ -82,7 +85,8 @@ stdenv.mkDerivation rec {
 
     # Platform
     "-Dmodprobe=${kmod}/bin/modprobe"
-    "-Dsession_tracking=systemd"
+    (lib.mesonOption "session_tracking" (if withSystemd then "systemd" else "no"))
+    (lib.mesonBool "systemd_journal" withSystemd)
     "-Dlibaudit=yes-disabled-by-default"
     "-Dpolkit_agent_helper_1=/run/wrappers/bin/polkit-agent-helper-1"
 
@@ -130,7 +134,7 @@ stdenv.mkDerivation rec {
   ];
 
   buildInputs = [
-    systemd
+    (if withSystemd then systemd else udev)
     libselinux
     audit
     libpsl
@@ -182,6 +186,9 @@ stdenv.mkDerivation rec {
     # TODO: submit upstream
     substituteInPlace meson.build \
       --replace "'vala', req" "'vala', native: false, req"
+  '' + lib.optionalString withSystemd ''
+    substituteInPlace data/NetworkManager.service.in \
+      --replace-fail /usr/bin/busctl ${systemd}/bin/busctl
   '';
 
   preBuild = ''

pkgs/tools/networking/networkmanager/fix-paths.patch

@@ -10,19 +10,6 @@ index 148acade5c..6395fbfbe5 100644
 +PROGRAM="@runtimeShell@ -c '@ethtool@/bin/ethtool -i $$1 |@gnused@/bin/sed -n s/^driver:\ //p' -- $env{INTERFACE}", ENV{ID_NET_DRIVER}="%c"
  
  LABEL="nm_drivers_end"
-diff --git a/data/NetworkManager.service.in b/data/NetworkManager.service.in
-index f09ae86ceb..b2ecb405ef 100644
---- a/data/NetworkManager.service.in
-+++ b/data/NetworkManager.service.in
-@@ -9,7 +9,7 @@ BindsTo=dbus.service
- [Service]
- Type=dbus
- BusName=org.freedesktop.NetworkManager
--ExecReload=/usr/bin/busctl call org.freedesktop.NetworkManager /org/freedesktop/NetworkManager org.freedesktop.NetworkManager Reload u 0
-+ExecReload=@systemd@/bin/busctl call org.freedesktop.NetworkManager /org/freedesktop/NetworkManager org.freedesktop.NetworkManager Reload u 0
- #ExecReload=/bin/kill -HUP $MAINPID
- ExecStart=@sbindir@/NetworkManager --no-daemon
- Restart=on-failure
 diff --git a/src/core/devices/nm-device.c b/src/core/devices/nm-device.c
 index a9e8c08508..875d6cc2cd 100644
 --- a/src/core/devices/nm-device.c