More minimal builds for the embedded stuff

common/core-pc.nix

@@ -6,6 +6,7 @@
     ./wifi.nix
     ./tailscale.nix
   ];
+  system.etc.overlay.enable = true;
   boot.initrd.systemd.enable = true;
   boot.kernelPackages = pkgs.linuxPackages_latest;
   boot.loader = {
@@ -24,6 +25,23 @@
     minipro.enable = true;
     adb.enable = true; #adbusers group
     yazi.enable = true;
+    nix-index.enable = true;
+    nix-index-database.comma.enable = true;
+  };
+  services = {
+    fwupd = {
+      enable = true;
+      extraRemotes = ["lvfs-testing"];
+    };
+    gvfs.enable = true;
+    pipewire = {
+      enable = true;
+      alsa.enable = true;
+      pulse.enable = true;
+      wireplumber.enable = true;
+    };
+    printing.enable = true;
+    udisks2.enable = true;
   };
   networking.bridges = {
     lan = {
@@ -33,23 +51,34 @@
     };
   };
   environment.systemPackages = with pkgs; [
+    btop
     dfu-util
+    expect
     fh
+    file
     gcc-arm-embedded
+    gnumake
     inotify-tools
+    jq
     just
     libnotify
+    lm_sensors
     localsend
+    lsb-release
     lurk
+    nix-du
+    nix-tree
     openvpn
     pv
     qmk-udev-rules
     quickemu
     quickgui
-    s5cmd
     sbctl
     spice
     spice-gtk
+    unzip
     update-systemd-resolved
+    zip
   ];
+  environment.pathsToLink = ["/libexec"];
 }

common/core.nix

@@ -65,7 +65,6 @@
   };
 
   security.sudo.wheelNeedsPassword = false;
-  environment.pathsToLink = ["/libexec"];
 
   time.timeZone = "Africa/Casablanca";
 
@@ -74,6 +73,8 @@
   console = {
     keyMap = "us";
   };
+  system.etc.overlay.enable = true;
+  boot.initrd.systemd.enable = true;
 
   # add user's shell into /etc/shells
   environment.shells = with pkgs; [
@@ -87,19 +88,10 @@
   # $ nix search wget
   environment.systemPackages = with pkgs; [
     inputs.ragenix.packages.x86_64-linux.default
-    btop
-    expect
-    file
-    gnumake
-    jq
-    lm_sensors
-    lsb-release
     nix-output-monitor
     nixpkgs-review
     parallel
     ripgrep
-    zip
-    unzip
     # FIXME next version wcurl
   ];
 
@@ -117,28 +109,13 @@
         userServices = true;
       };
     };
-    dbus.enable = true;
     fstrim.enable = true;
     dbus.implementation = "broker";
-    fwupd = {
-      enable = true;
-      extraRemotes = ["lvfs-testing"];
-    };
-    gvfs.enable = true;
-    pipewire = {
-      enable = true;
-      alsa.enable = true;
-      pulse.enable = true;
-      wireplumber.enable = true;
-    };
-    printing.enable = true;
-    udisks2.enable = true;
+    dbus.enable = true;
   };
 
   programs = {
     command-not-found.enable = false;
-    nix-index.enable = true;
-    nix-index-database.comma.enable = true;
     fish.enable = true;
     neovim.enable = true;
     vim.defaultEditor = true;

common/desktops/default.nix

@@ -29,6 +29,8 @@
   stylix.targets.plymouth.enable = true;
   stylix.targets.console.enable = true;
   stylix.autoEnable = true;
+
+  stylix.targets.regreet.enable = false;
   programs.regreet = {
     enable = true;
     settings.background = {

common/minimal.nix

@@ -0,0 +1,41 @@
+# This module defines a small NixOS configuration.  It does not
+# contain any graphical stuff.
+
+{ config, lib, ... }:
+
+with lib;
+
+{
+
+  documentation.enable = mkDefault false;
+
+  documentation.doc.enable = mkDefault false;
+
+  documentation.info.enable = mkDefault false;
+
+  documentation.man.enable = mkDefault false;
+
+  documentation.nixos.enable = mkDefault false;
+
+  # Perl is a default package.
+  environment.defaultPackages = mkDefault [ ];
+
+  environment.stub-ld.enable = false;
+
+  # The lessopen package pulls in Perl.
+  programs.less.lessopen = mkDefault null;
+
+  # This pulls in nixos-containers which depends on Perl.
+  boot.enableContainers = mkDefault false;
+
+  programs.command-not-found.enable = mkDefault false;
+
+  services.logrotate.enable = mkDefault false;
+
+  services.udisks2.enable = mkDefault false;
+
+  xdg.autostart.enable = mkDefault false;
+  xdg.icons.enable = mkDefault false;
+  xdg.mime.enable = mkDefault false;
+  xdg.sounds.enable = mkDefault false;
+}