silly uki image with the systemd-ukify tooling

flake.nix

@@ -112,6 +112,10 @@
             EOF
             chmod 644 ./etc/group
 
+            # install lib kmod
+            cp ${pkgs.kmod.lib}/lib/* ./usr/lib
+            cp ${pkgs.libbpf.out}/lib/libbpf* ./usr/lib
+
             # install busybox
             cp ${pkgs.busybox.out}/bin/busybox usr/bin/
             usr/bin/busybox --list | xargs -I {} ln -sf busybox usr/bin/{}

systemd/default.nix

@@ -187,19 +187,21 @@ stdenv.mkDerivation (finalAttrs: {
     (lib.mesonOption "mode" "release")
     (lib.mesonOption "tty-gid" "3") # tty in NixOS has gid 3
 
-    (lib.mesonOption "kmod-path" "/bin/kmod")
-    (lib.mesonOption "debug-shell" "/bin/sh")
+    # Use busybox kernel modules tools instead
+    (lib.mesonOption "kmod-path" "")
+
+    (lib.mesonOption "debug-shell" "/usr/bin/sh")
     (lib.mesonOption "pamconfdir" "/etc/pam.d")
     (lib.mesonOption "shellprofiledir" "/etc/profile.d")
     (lib.mesonOption "dbuspolicydir" "/usr/share/dbus-1/system.d")
     (lib.mesonOption "dbussessionservicedir" "/usr/share/dbus-1/services")
     (lib.mesonOption "dbussystemservicedir" "/usr/share/dbus-1/system-services")
-    (lib.mesonOption "setfont-path" "/bin/setfont")
-    (lib.mesonOption "loadkeys-path" "/bin/loadkeys")
-    (lib.mesonOption "sulogin-path"  "/bin/sulogin")
-    (lib.mesonOption "nologin-path" "/bin/nologin")
-    (lib.mesonOption "mount-path" "/bin/mount")
-    (lib.mesonOption "umount-path" "/bin/umount")
+    (lib.mesonOption "setfont-path" "/usr/bin/setfont")
+    (lib.mesonOption "loadkeys-path" "/usr/bin/loadkeys")
+    (lib.mesonOption "sulogin-path"  "/usr/bin/sulogin")
+    (lib.mesonOption "nologin-path" "/usr/bin/nologin")
+    (lib.mesonOption "mount-path" "/usr/bin/mount")
+    (lib.mesonOption "umount-path" "/usr/bin/umount")
 
     # SBAT
     (lib.mesonOption "sbat-distro" "patos")