Add a machines directory to replace local.nix

+ detect if my device is a laptop

.gitignore

@@ -1 +1,2 @@
 /hardware-configuration.nix
+tamal/.silo

configuration.nix

@@ -48,15 +48,21 @@ let
       localPackagesOverlay
     ];
   };
+
+  isLaptop =
+    let
+      powerSupplyDir = /sys/class/power_supply;
+    in
+      builtins.pathExists powerSupplyDir && lib.any (name: lib.hasPrefix "BAT" name) (builtins.attrNames (builtins.readDir powerSupplyDir));
 in
 {
   nixpkgs.pkgs = pkgs; # Uses the nixtamal nixpkgs
   _module.args.nixtamal = nixtamal;
+  _module.args.isLaptop = isLaptop;
 
   imports =
     [
       ./workarounds.nix
-      ./local.nix
       ./hardware-configuration.nix # Results of the hardware scan ("nixos-generate-config" command)
       ./modules/filesystems.nix
       "${nixtamal.home-manager}/nixos"
@@ -75,6 +81,10 @@ in
 
       ./common/ollama-config.nix
 
+      ./machines/${
+        if isLaptop then "laptop" else "desktop"
+      }/local.nix
+
       # ISO installer building stuff:
       ./ISO/iso.nix
     ];
@@ -126,7 +136,7 @@ in
   };
 
   home-manager.extraSpecialArgs = {
-    inherit nixtamal localPackagesOverlay;
+    inherit nixtamal localPackagesOverlay isLaptop;
   };
   home-manager.users.doggo = import ./home/doggo/doggo.nix;
 

home/doggo/hyprland-config.nix

@@ -12,8 +12,43 @@ let
   mocha = {
     peach = "rgb(fab387)";
   };
+
+  find_monitor = id: "$(hyprctl monitors -j | jq -r '.[] | select(.id==${builtins.toString id}) | .name')";
+
+  backgrounds_commands = [
+    "swaybg -i '${./backgrounds/ubuntu_budgie_wallpaper1.jpg}' -o ${find_monitor 0}"
+    "murale '/disk2/MemoryRebootHatsune&Shrek.avi' -o ${find_monitor 1} --mpv-options '${mpv_options}'" # TODO: Make nixtamal download it with yt-dlp
+  ];
+
+  # Start(/stop) my backgrounds on (un)plug
+  watch-ac-plug = pkgs.writeShellApplication {
+    name = "watch-ac-plug";
+    runtimeInputs = [ pkgs.dbus pkgs.gawk ];
+    text = ''
+      dbus-monitor --system "type='signal',interface='org.freedesktop.DBus.Properties',path='/org/freedesktop/UPower'" |
+      while read -r line; do
+        if echo "$line" | grep -q "OnBattery"; then
+          read -r _ state
+          if echo "$state" | grep -q "true"; then
+            ${builtins.concatStringsSep " && " (builtins.map (cmd: "pkill -f '.*${cmd}'") backgrounds_commands)}
+          else
+            ${builtins.concatStringsSep " && " (builtins.map (cmd: "${uwsm} ${cmd}") backgrounds_commands)}
+          fi
+        fi
+      done
+    '';
+  };
 in
 {
+  systemd.user.services.watch-ac-plug = lib.mkIf isLaptop {
+      Unit.Description = "Start/stop my backgrounds on AC plug/unplug";
+      Install.WantedBy = [ "graphical-session.target" ];
+      Service = {
+        ExecStart = "${watch-ac-plug}/bin/watch-ac-plug";
+        Restart = "always";
+      };
+  };
+
   wayland.windowManager.hyprland = {
     enable = true;
     systemd = {
@@ -24,18 +59,23 @@ in
     ];
 
     settings = {
-      monitor = if !isLaptop then [
-        { output = "DP-3"; mode = "2560x1440@144"; position = "0x0"; scale = 1; vrr = 2; }
-        { output = "HDMI-A-4"; mode = "1920x1080@77"; position = "-1920x128"; scale = 1; }
-      ] else [
-        {
-          output = "eDP-1"; mode = "2880x1800@120"; position = "0x0"; scale = 1.5;
+      monitor = [
+        ({
+          # Desktop settings
+          output = "DP-3";
+          mode = "highres@highrr";
+          position = "0x0"; scale = 1; vrr = 2;
+        } // lib.optionalAttrs isLaptop {
+          # Laptop settings
+          output = "eDP-1";
+          scale = 1.5;
           cm = "hdredid"; bitdepth = 10;
           min_luminance = 0.0; max_luminance = 2000;
           sdr_min_luminance = 0.005; sdr_max_luminance = 350; # 106?
           sdrsaturation = 1.0; # 1.175? 0.975?
           #sdrbrightness = 1.1; # 1.2625? 0.975?
-        }
+        })
+        { output = ""; mode = "highres@highrr"; position = if isLaptop then "auto-right" else "auto-left"; scale = 1; }
       ];
 
       # AUTOSTART #
@@ -44,10 +84,11 @@ in
           "hyprland.start"
           (lib.generators.mkLuaInline ''
             function()
-              ${if isLaptop then "-- " else ""}hl.exec_cmd("${uwsm} murale '/disk2/MemoryRebootHatsune&Shrek.avi' -o HDMI-A-4 --mpv-options '${mpv_options}'")
-              hl.exec_cmd("${uwsm} swaybg ${
-                if isLaptop then "-c 000000 -o '*'" else "-i '${./backgrounds/ubuntu_budgie_wallpaper1.jpg}' -o DP-3"
-              }")
+              hl.exec_cmd("${uwsm} swaybg -c 000000 -o '*'")
+              ${builtins.concatStringsSep "\n  " (builtins.map (cmd:
+                "hl.exec_cmd(\"${if isLaptop then "[ \"$(busctl get-property org.freedesktop.UPower /org/freedesktop/UPower org.freedesktop.UPower OnBattery | awk '{print $2}')\" = \"true\" ] && " else ""}"
+                + "${uwsm} ${cmd}\")") backgrounds_commands)
+              }
               hl.exec_cmd("${uwsm} ironbar")
               hl.exec_cmd("${uwsm} wl-paste --type text --watch cliphist store")
               hl.exec_cmd("${uwsm} wl-paste --type image --watch cliphist store")

local.nix

@@ -1,67 +0,0 @@
-{ config, lib, pkgs, functions, ...}:
-
-let
-  isLaptop = false;
-in
-{
-  _module.args.isLaptop = isLaptop;
-  home-manager.extraSpecialArgs = { inherit isLaptop; };
- 
-  boot.extraModulePackages = with config.boot.kernelPackages; [
-    # Common modules
-  ] ++ (if !isLaptop then [
-    # Desktop modules
-    (functions.mkPatchedAuto nct6687d)
-    r8125
-  ] else [
-    # Laptop modules
-  ]);
-
-  boot.kernelModules = [
-    # Common modules
-  ] ++ (if !isLaptop then [
-    # Desktop modules
-    "nct6687" # d disappears in actual module name
-    "r8125" # replaces r8169
-  ] else [
-    # Laptop modules
-  ]);
-
-  boot.blacklistedKernelModules = [] ++ (if !isLaptop then [
-    "r8169"
-  ] else []);
-
-  # CRU screen overclocking
-  hardware.firmware = lib.mkIf (!isLaptop) [
-    (pkgs.runCommandLocal "PHL-edid-77hz" {} ''
-      mkdir -p $out/lib/firmware/edid
-      cp ${/disk2/Bunker/CRU/PHL_243V5_OC_77MHZ.bin} $out/lib/firmware/edid/PHL_243V5_OC_77MHZ.bin
-    '')
-  ];
-
-  boot.kernelParams = lib.mkIf (!isLaptop) [
-    "drm.edid_firmware=HDMI-A-4:edid/PHL_243V5_OC_77MHZ.bin"
-  ];
-
-  programs.coolercontrol.enable = !isLaptop;
-
-  boot.loader.limine.extraEntries = lib.mkIf (!isLaptop) ''
-    /Windows
-      protocol: efi
-      path: label(windows_efi):/EFI/Microsoft/Boot/bootmgfw.efi
-  '';
-
-  powerManagement.cpuFreqGovernor = if !isLaptop then "performance" else "schedutil";
-
-  services.auto-cpufreq = {
-    enable = isLaptop;
-    settings = {
-      charger.turbo = "auto";
-      battery.turbo = "never";
-    };
-  };
-
-  fileSystems."/".options = [ "noatime" ];
-
-  networking.hostName = if !isLaptop then "lizard" else "lizard-portable";
-}

machines/desktop/local.nix

@@ -0,0 +1,42 @@
+{ config, lib, pkgs, functions, ...}:
+
+{
+
+  boot.extraModulePackages = with config.boot.kernelPackages; [
+    (functions.mkPatchedAuto nct6687d)
+    r8125
+  ];
+
+  boot.kernelModules = [
+    "nct6687" # d disappears in actual module name
+    "r8125" # replaces r8169
+  ];
+
+  boot.blacklistedKernelModules = [
+    "r8169"
+  ];
+
+  # CRU screen overclocking
+  hardware.firmware = [
+    (pkgs.runCommandLocal "PHL-edid-77hz" {} ''
+      mkdir -p $out/lib/firmware/edid
+      cp ${/disk2/Bunker/CRU/PHL_243V5_OC_77MHZ.bin} $out/lib/firmware/edid/PHL_243V5_OC_77MHZ.bin
+    '')
+  ];
+
+  boot.kernelParams = [
+    "drm.edid_firmware=HDMI-A-4:edid/PHL_243V5_OC_77MHZ.bin"
+  ];
+
+  programs.coolercontrol.enable = true;
+
+  boot.loader.limine.extraEntries = ''
+    /Windows
+      protocol: efi
+      path: label(windows_efi):/EFI/Microsoft/Boot/bootmgfw.efi
+  '';
+
+  powerManagement.cpuFreqGovernor = "performance";
+
+  networking.hostName = "lizard";
+}

machines/laptop/local.nix

@@ -0,0 +1,23 @@
+{ config, ...}:
+
+{
+  boot.extraModulePackages = with config.boot.kernelPackages; [];
+
+  boot.kernelModules = [];
+
+  boot.blacklistedKernelModules = [];
+
+  powerManagement.cpuFreqGovernor = "schedutil";
+
+  services.auto-cpufreq = {
+    enable = true;
+    settings = {
+      charger.turbo = "auto";
+      battery.turbo = "never";
+    };
+  };
+
+  services.upower.enable = true;
+
+  networking.hostName = "lizard-portable";
+}

modules/filesystems.nix

@@ -2,8 +2,9 @@
 
 {
   # Note: for f2fs, create it with "sudo mkfs.f2fs -l root -i -O extra_attr,flexible_inline_xattr,inode_checksum,sb_checksum,compression,lost_found /dev/sdxY"
-  fileSystems."/".options = lib.mkIf (config.fileSystems."/".fsType == "f2fs")
-    (lib.mkAfter [
+  fileSystems."/".options = lib.mkMerge [
+    [ "noatime" ]
+    (lib.mkIf (config.fileSystems."/".fsType == "f2fs") (lib.mkAfter [
       "discard" # Better (on f2fs) than fstrim
       "X-fstrim.notrim" # To avoid fstrim
       "compress_algorithm=lzo-rle"
@@ -16,7 +17,8 @@
       "checkpoint_merge"
       "fsync_mode=posix"
       "nat_bits"
-    ]);
+    ]))
+  ];
 
   services.fstrim.enable = true;
 

modules/kernel.nix

@@ -51,6 +51,12 @@
 
   boot.kernelPatches = [ ];
 
+  boot.extraModulePackages = [];
+
+  boot.kernelModules = [];
+
+  boot.blacklistedKernelModules = [];
+
   services.scx = { # https://wiki.cachyos.org/configuration/sched-ext/#general-recommendations
     enable = true;
     scheduler = "scx_lavd";