meta: Move phone config to separate module

Makes it possible to enable phone support for different devices in the
future.

Note that programs.man.generateCaches in home-manager is handled at the
system level to avoid having to later override it with mkForce.

hosts/phone/configuration.nix

@@ -1,14 +1,12 @@
 {
   self,
   pkgs,
-  config,
   lib,
   ...
 }:
 
 let
   inherit (lib) mkIf mkForce;
-  inherit (config.modules.system) username;
   inherit (builtins) attrValues;
 in
 {
@@ -38,24 +36,6 @@ in
       xdg-user-dirs
       xresources
       ;
-
-    config = {
-      programs.man.generateCaches = mkForce false;
-    };
-  };
-
-  environment = {
-    sessionVariables = {
-      LIBGL_ALWAYS_SOFTWARE = "true";
-    };
-
-    systemPackages = with pkgs; [
-      chatty
-      megapixels
-      livi
-      gnome-contacts
-      eog
-    ];
   };
 
   modules = {
@@ -66,85 +46,28 @@ in
     };
 
     hardware.keyboardBinds = true;
+
+    phone.enable = true;
   };
 
   i18n.inputMethod.enable = mkForce false;
 
   programs = {
-    calls.enable = true;
-
     cdemu.enable = mkForce false;
     hyprland.enable = mkForce false;
     thunar.enable = mkForce false;
   };
 
-  networking = {
-    wireless.enable = false;
-    wireguard.enable = true;
-
-    networkmanager.ensureProfiles.profiles = {
-      mobile = {
-        connection = {
-          id = "4G";
-          type = "gsm";
-        };
-
-        gsm.apn = "NXTGENPHONE";
-        ipv4.method = "auto";
-
-        ipv6 = {
-          addr-gen-mode = "default";
-          method = "auto";
-        };
-      };
-    };
-
-    firewall.checkReversePath = mkForce false;
-  };
-
   services = {
-    xserver = {
-      displayManager.lightdm.enable = false;
-
-      desktopManager.phosh = {
-        enable = true;
-        group = "users";
-        user = username;
-      };
-    };
-
     udisks2.enable = mkForce false;
     pipewire.enable = mkForce false;
     greetd.enable = mkForce false;
   };
 
   boot = {
-    enableContainers = false;
-
     binfmt.emulatedSystems = mkForce [ ];
     loader.systemd-boot.enable = mkIf (pkgs.system == "aarch64-linux") (mkForce false);
-
-    kernel.sysctl = {
-      "vm.dirty_background_ratio" = 5;
-      "vm.dirty_ratio" = 10;
-    };
-  };
-
-  documentation = {
-    enable = false;
-    man.generateCaches = false;
   };
 
   hardware.graphics.enable32Bit = mkForce false;
-
-  powerManagement = {
-    enable = true;
-
-    cpufreq = rec {
-      min = 816000;
-      max = min;
-    };
-
-    cpuFreqGovernor = "performance";
-  };
 }

modules/phone.nix

@@ -0,0 +1,102 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  inherit (lib)
+    mkIf
+    mkEnableOption
+    mkForce
+    ;
+
+  inherit (config.modules.system) username;
+
+  cfg = config.modules.phone;
+in
+{
+  options.modules.phone = {
+    enable = mkEnableOption "phone support";
+  };
+
+  config = mkIf cfg.enable {
+    environment = {
+      sessionVariables = {
+        LIBGL_ALWAYS_SOFTWARE = "true";
+      };
+
+      systemPackages = with pkgs; [
+        chatty
+        megapixels
+        livi
+        gnome-contacts
+        eog
+      ];
+    };
+
+    programs.calls.enable = true;
+
+    networking = {
+      wireless.enable = false;
+      wireguard.enable = true;
+
+      networkmanager.ensureProfiles.profiles = {
+        mobile = {
+          connection = {
+            id = "4G";
+            type = "gsm";
+          };
+
+          gsm.apn = "NXTGENPHONE";
+          ipv4.method = "auto";
+
+          ipv6 = {
+            addr-gen-mode = "default";
+            method = "auto";
+          };
+        };
+      };
+
+      firewall.checkReversePath = mkForce false;
+    };
+
+    documentation = {
+      enable = false;
+      man.generateCaches = false;
+    };
+
+    services = {
+      xserver = {
+        displayManager.lightdm.enable = false;
+
+        desktopManager.phosh = {
+          enable = true;
+          group = "users";
+          user = username;
+        };
+      };
+    };
+
+    boot = {
+      enableContainers = false;
+
+      kernel.sysctl = {
+        "vm.dirty_background_ratio" = 5;
+        "vm.dirty_ratio" = 10;
+      };
+    };
+
+    powerManagement = {
+      enable = true;
+
+      cpufreq = rec {
+        min = 816000;
+        max = min;
+      };
+
+      cpuFreqGovernor = "performance";
+    };
+  };
+}

modules/system.nix

@@ -179,7 +179,7 @@ in
           inherit (cfg) stateVersion;
         };
 
-        programs.man.generateCaches = true;
+        programs.man.generateCaches = mkIf (!isPhone) true;
       };
 
       users.${username}.home = {