pass entire config fragment to levitate, not just services

to make it useful we need to be able to set packages, passwords, ssh
keys etc

NEWS

@@ -83,4 +83,23 @@ sponsoring this development (and funding the hardware)
 2024-02-21
 
 New port! Thanks to Raito Bezarius, Liminix now runs on the Zyxel NWA50AX,
-an MT7621 (MIPS EL) dual radio WiFi AP. 
+an MT7621 (MIPS EL) dual radio WiFi AP.
+
+2024-04-29
+
+The setup for using `levitate` has changed: now it accepts an entire
+config fragment, not just a list of services.  Hopefully this makes it
+a bit more useful :-)
+
+  defaultProfile.packages = with pkgs; [
+    ... 
+    (levitate.override {
+      config  = {
+        services = {
+          inherit (config.services) dhcpc sshd watchdog;
+        };
+        defaultProfile.packages = [ mtdutils ];
+        users.root.openssh.authorizedKeys.keys = secrets.root.keys;
+      };
+    })
+  ];

examples/arhcive.nix

@@ -141,9 +141,13 @@ in rec {
     e2fsprogs
     mtdutils
     (levitate.override {
-      services = {
-        inherit (config.services) dhcpc sshd;
-      }; }
-    )
+      config  = {
+        services = {
+          inherit (config.services) dhcpc sshd watchdog;
+        };
+        defaultProfile.packages = [ mtdutils ];
+        users.root.openssh.authorizedKeys.keys = secrets.root.keys;
+      };
+    })
   ];
 }

pkgs/levitate/default.nix

@@ -4,7 +4,7 @@
 , systemconfig
 , execline
 , lib
-, services ? null
+, config ? {}
 , liminix
 , pseudofile
 , pkgs
@@ -12,6 +12,7 @@
 let
   inherit (pseudofile) dir symlink;
   inherit (liminix.services) oneshot;
+  paramConfig = config;
   newRoot = "/run/maintenance";
   sysconfig =
     let
@@ -25,8 +26,8 @@ let
         emptyenv chroot . /bin/init
       '';
       base = {...} : {
-        config = {
-          services = services // {
+        config =  {
+          services = {
             banner = oneshot {
               name = "banner";
               up = "cat /etc/banner > /dev/console";
@@ -60,6 +61,7 @@ let
           ../../modules/users.nix
           ../../modules/busybox.nix
           base
+          ({ ... } : paramConfig)
           ../../modules/s6
         ];
       };