dustbowl: make swayidle a systemd service + run nixpkgs-fmt

nixos/cachix.nix

@@ -1,4 +1,3 @@
-
 # WARN: this file will get overwritten by $ cachix use <name>
 { pkgs, lib, ... }:
 
@@ -7,7 +6,8 @@ let
   toImport = name: value: folder + ("/" + name);
   filterCaches = key: value: value == "regular" && lib.hasSuffix ".nix" key;
   imports = lib.mapAttrsToList toImport (lib.filterAttrs filterCaches (builtins.readDir folder));
-in {
+in
+{
   inherit imports;
-  nix.settings.trusted-substituters = ["https://cache.nixos.org/"];
+  nix.settings.trusted-substituters = [ "https://cache.nixos.org/" ];
 }

nixos/cachix/nimmm.nix

@@ -1,4 +1,3 @@
-
 {
   nix.settings = {
     trusted-substituters = [

nixos/cachix/nix-community.nix

@@ -1,4 +1,3 @@
-
 {
   nix.settings = {
     trusted-substituters = [

nixos/cachix/winewayland.nix

@@ -1,4 +1,3 @@
-
 {
   nix.settings = {
     trusted-substituters = [

nixos/cachix/zig-nightly.nix

@@ -1,4 +1,3 @@
-
 {
   nix.settings = {
     trusted-substituters = [

nixos/cachix/zigpkgs.nix

@@ -1,4 +1,3 @@
-
 {
   nix.settings = {
     trusted-substituters = [

nixos/dustbowl.nix

@@ -7,7 +7,8 @@
 
 {
   imports =
-    [ # Include the results of the hardware scan.
+    [
+      # Include the results of the hardware scan.
       /etc/nixos/hardware-configuration.nix
       /etc/nixos/private.nix
       ./cachix.nix
@@ -47,6 +48,12 @@
     };
   };
 
+  # Enable systemd watchdog
+  systemd.watchdog = {
+    runtimeTime = "30s";
+    rebootTime = "10m";
+  };
+
   boot.extraModulePackages = [
     config.boot.kernelPackages.v4l2loopback.out
   ];
@@ -71,7 +78,7 @@
   services.fwupd.enable = true;
 
   networking.hostName = "dustbowl"; # Define your hostname.
-  networking.wireless.enable = true;  # Enables wireless support via wpa_supplicant.
+  networking.wireless.enable = true; # Enables wireless support via wpa_supplicant.
   networking.wireless.interfaces = [ "wlp2s0" ];
 
   networking.wireguard.enable = true;
@@ -189,7 +196,7 @@
     enable = true;
     extraRules = [
       {
-        groups = ["wheel"];
+        groups = [ "wheel" ];
         persist = true;
         keepEnv = true;
       }
@@ -201,7 +208,7 @@
     group = "root";
     capabilities = "cap_perfmon=ip";
     source = "${pkgs.rr}/bin/rr";
-    };
+  };
 
   security.wrappers.intel_gpu_top = {
     owner = "root";
@@ -257,6 +264,24 @@
     };
   };
 
+  systemd.user.services.swayidle = {
+    description = "swayidle idle manager for Wayland";
+    wantedBy = [ "graphical-session.target" ];
+    partOf = [ "graphical-session.target" ];
+    path = with pkgs; [ bash sway swaylock ];
+    serviceConfig = {
+      ExecStart = ''
+        ${pkgs.swayidle}/bin/swayidle -w \
+          timeout 300 'swaylock -f -c 000000' \
+          timeout 600 'swaymsg "output * dpms off"' \
+          resume 'swaymsg "output * dpms on"' \
+          before-sleep 'swaylock -f -c 000000'
+      '';
+      RestartSec = 3;
+      Restart = "always";
+    };
+  };
+
   # Enable sound.
   sound.enable = true;
 
@@ -319,7 +344,9 @@
   # Fonts
   fonts.fonts = with pkgs; [
     fira-code
-    noto-fonts noto-fonts-emoji noto-fonts-extra
+    noto-fonts
+    noto-fonts-emoji
+    noto-fonts-extra
   ];
   fonts.fontconfig = {
     enable = true;