chore: format all files to nixpkgs standards

flake.nix

@@ -23,12 +23,12 @@
     custom-neovim.url = "github:wizardlink/neovim";
   };
 
-  outputs = {
-    self,
-    nixpkgs,
-    home-manager,
-    hyprland,
-    ...
+  outputs =
+    { self
+    , nixpkgs
+    , home-manager
+    , hyprland
+    , ...
     }@inputs: {
       nixosConfigurations.nixos =
         let
@@ -52,5 +52,7 @@
           ];
         in
         nixpkgs.lib.nixosSystem { inherit system modules; };
+
+      formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixpkgs-fmt;
     };
 }

hardware-configuration.nix

@@ -5,7 +5,8 @@
 
 {
   imports =
-    [ (modulesPath + "/installer/scan/not-detected.nix")
+    [
+      (modulesPath + "/installer/scan/not-detected.nix")
     ];
 
   boot.initrd.availableKernelModules = [ "nvme" "xhci_pci" "ahci" "usbhid" "usb_storage" "sd_mod" ];
@@ -14,27 +15,32 @@
   boot.extraModulePackages = [ ];
 
   fileSystems."/" =
-    { device = "/dev/disk/by-uuid/65e4c115-aff0-4c0e-8799-7309a25ecab6";
+    {
+      device = "/dev/disk/by-uuid/65e4c115-aff0-4c0e-8799-7309a25ecab6";
       fsType = "ext4";
     };
 
   fileSystems."/boot" =
-    { device = "/dev/disk/by-uuid/2EFE-3A26";
+    {
+      device = "/dev/disk/by-uuid/2EFE-3A26";
       fsType = "vfat";
     };
 
   fileSystems."/mnt/ssd" =
-    { device = "/dev/disk/by-uuid/f27f2224-d351-46fd-89f5-991de36166ad";
+    {
+      device = "/dev/disk/by-uuid/f27f2224-d351-46fd-89f5-991de36166ad";
       fsType = "ext4";
     };
 
   fileSystems."/mnt/internal" =
-    { device = "/dev/disk/by-uuid/b8541c0d-9146-4388-b217-431f196957cc";
+    {
+      device = "/dev/disk/by-uuid/b8541c0d-9146-4388-b217-431f196957cc";
       fsType = "ext4";
     };
 
   fileSystems."/mnt/media" =
-    { device = "/dev/disk/by-uuid/52c17b8b-46c1-4870-b86c-c3b9f4bd4434";
+    {
+      device = "/dev/disk/by-uuid/52c17b8b-46c1-4870-b86c-c3b9f4bd4434";
       fsType = "ext4";
     };
 

home-manager.nix

@@ -129,6 +129,27 @@
     libsForQt5.qtwayland
     qt6Packages.qtstyleplugin-kvantum
     qt6Packages.qtwayland
+
+    # Create an FHS environment using the command `fhs`, enabling the execution of non-NixOS packages in NixOS!
+    (
+      let base = pkgs.appimageTools.defaultFhsEnvArgs; in
+      pkgs.buildFHSUserEnv (base // {
+        name = "fhs";
+        targetPkgs = pkgs: (
+          # pkgs.buildFHSUserEnv provides only a minimal FHS environment,
+          # lacking many basic packages needed by most software.
+          # Therefore, we need to add them manually.
+          #
+          # pkgs.appimageTools provides basic packages required by most software.
+          (base.targetPkgs pkgs) ++ (with pkgs; [
+            nodejs
+          ])
+        );
+        profile = "export FHS=1";
+        runScript = "bash";
+        extraOutputsToInstall = [ "dev" ];
+      })
+    )
   ];
 
   #

nixos.nix

@@ -10,7 +10,8 @@
   ##
 
   imports =
-    [ # Include the results of the hardware scan.
+    [
+      # Include the results of the hardware scan.
       ./hardware-configuration.nix
       # Include service configuration
       ./services/caddy.nix

programs/mangohud.nix

@@ -27,7 +27,7 @@
       cpu_mhz = true;
       cpu_load_change = true;
       cpu_load_value = [ 60 90 ];
-      cpu_load_color= [ "39F900" "FDFD09" "B22222" ];
+      cpu_load_color = [ "39F900" "FDFD09" "B22222" ];
 
 
       # IO Statistics
@@ -57,7 +57,7 @@
       no_display = true;
 
       # Where to output log files.
-      output_folder=/home/wizardlink/.config/MangoHud;
+      output_folder = /home/wizardlink/.config/MangoHud;
     };
   };
 }

programs/wezterm/config.nix

@@ -4,6 +4,6 @@
   programs.wezterm = {
     enable = true;
     extraConfig = builtins.readFile ./wezterm.lua;
-    package = (pkgs.callPackage ./package.nix {});
+    package = (pkgs.callPackage ./package.nix { });
   };
 }

theming/catppuccin-qt5ct.nix

@@ -1,15 +1,16 @@
-{
-  fetchFromGitHub,
-  flavor ? "Mocha",
-  lib,
-  stdenvNoCC
-}: let
-  validFlavors = ["Frappe" "Latte" "Macchiato" "Mocha"];
+{ fetchFromGitHub
+, flavor ? "Mocha"
+, lib
+, stdenvNoCC
+}:
+let
+  validFlavors = [ "Frappe" "Latte" "Macchiato" "Mocha" ];
   pname = "catppucin-qt5ct";
 in
-  lib.checkListOfEnum "${pname}: flavors" validFlavors [ flavor ]
+lib.checkListOfEnum "${pname}: flavors" validFlavors [ flavor ]
 
-  stdenvNoCC.mkDerivation {
+  stdenvNoCC.mkDerivation
+{
   inherit pname;
   version = "unstable-2023-10-24";
 
@@ -34,4 +35,4 @@ in
     license = licenses.mit;
     maintainers = with maintainers; [ ];
   };
-  }
+}