Add Nix configuration files for common packages and settings

modules/common/nix/default.nix

@@ -0,0 +1,55 @@
+{
+  lib,
+  pkgs,
+  inputs,
+  system,
+  ...
+}: {
+  # Nix configurations.
+  nix = {
+    settings = let
+      flake = import "${inputs.self}/flake.nix";
+    in {
+      # Nix will instruct remote build machines to use their own binary substitutes if available.
+      builders-use-substitutes = true;
+      # Experimental nix features.
+      experimental-features = ["flakes" "nix-command"];
+      # Nix will fall back to building from source if a binary substitute fails.
+      fallback = true;
+      # The garbage collector will keep the derivations from which non-garbage store paths were built.
+      keep-derivations = true;
+      # The garbage collector will keep the outputs of non-garbage derivations.
+      keep-outputs = true;
+      # Builds will be performed in a sandboxed environment on Linux.
+      sandbox = pkgs.stdenv.isLinux;
+      # These users will have additional rights when connecting to the Nix daemon.
+      trusted-users = ["root" "@wheel" "@admin"];
+      # Never warn about dirty Git/Mercurial trees.
+      warn-dirty = false;
+      # Substituters and public keys.
+      inherit (flake.nixConfig) substituters trusted-substituters trusted-public-keys;
+    };
+    # Nix automatically detects files in the store that have identical contents, and replaces them with hard links to a single copy.
+    optimise.automatic = true;
+    # Garbage collector
+    gc.automatic = true;
+    # List of directories to be searched for <...> file references.
+    nixPath =
+      [
+        "nixpkgs=flake:nixpkgs"
+        "home-manager=flake:home-manager"
+      ]
+      ++ (
+        lib.optional
+        pkgs.stdenv.isDarwin
+        "darwin=/etc/nix/inputs/darwin"
+      );
+    registry =
+      lib.mapAttrs
+      (_n: v: {flake = v;})
+      (lib.filterAttrs (n: _v: !(lib.hasPrefix "nixpkgs" n) && n != "self") inputs);
+  };
+
+  # The platform the configuration will be used on.
+  nixpkgs.hostPlatform = system;
+}

modules/common/packages/default.nix

@@ -0,0 +1,29 @@
+{
+  pkgs,
+  ...
+}: {
+  environment.systemPackages = with pkgs; [
+    coreutils-full
+    curl
+    eza
+    fd
+    fzf
+    git
+    helix
+    home-manager
+    htop
+    jq
+    man
+    rclone
+    ripgrep
+    rsync
+    tmux
+    unzip
+    wget
+    zellij
+    zoxide
+    zstd
+  ];
+
+  programs.zsh.enable = true;
+}

modules/darwin/basic/default.nix

@@ -1,71 +1,26 @@
 {
   lib,
-  pkgs,
   inputs,
   system,
   ...
 }: {
-  # Nix configurations.
-  nix = {
-    settings = let
-      flake = import "${inputs.self}/flake.nix";
-    in {
-      # Nix will instruct remote build machines to use their own binary substitutes if available.
-      builders-use-substitutes = true;
-      # Experimental nix features.
-      experimental-features = ["flakes" "nix-command"];
-      # Nix will fall back to building from source if a binary substitute fails.
-      fallback = true;
-      # The garbage collector will keep the derivations from which non-garbage store paths were built.
-      keep-derivations = true;
-      # The garbage collector will keep the outputs of non-garbage derivations.
-      keep-outputs = true;
-      # Builds will be performed in a sandboxed environment on Linux.
-      sandbox = pkgs.stdenv.isLinux;
-      # These users will have additional rights when connecting to the Nix daemon.
-      trusted-users = ["root" "@wheel" "@admin"];
-      # Never warn about dirty Git/Mercurial trees.
-      warn-dirty = false;
-      # Substituters and public keys.
-      inherit (flake.nixConfig) substituters trusted-substituters trusted-public-keys;
-    };
-    # Nix automatically detects files in the store that have identical contents, and replaces them with hard links to a single copy.
-    optimise.automatic = true;
-    # Garbage collector
-    gc.automatic = true;
-    # List of directories to be searched for <...> file references.
-    nixPath =
-      [
-        "nixpkgs=flake:nixpkgs"
-        "home-manager=flake:home-manager"
-      ]
-      ++ (
-        lib.optional
-        pkgs.stdenv.isDarwin
-        "darwin=/etc/nix/inputs/darwin"
-      );
-    registry =
-      lib.mapAttrs
-      (_n: v: {flake = v;})
-      (lib.filterAttrs (n: _v: !(lib.hasPrefix "nixpkgs" n) && n != "self") inputs);
-  };
+  imports = [
+    (lib.snowfall.fs.get-file
+      "modules/common/nix/default.nix")
+    (lib.snowfall.fs.get-file
+      "modules/common/packages/default.nix")
+  ];
 
   # Set Git commit hash for darwin-version.
   system.configurationRevision = inputs.self.rev or inputs.self.dirtyRev or null;
 
   # Auto upgrade nix package and the daemon service.
   services.nix-daemon.enable = true;
 
-  # Create /etc/zshrc that loads the nix-darwin environment.
-  programs.zsh.enable = true; # default shell
-
   # Home-manager automatically backup extension.
   home-manager.backupFileExtension = "bak";
 
   # Used for backwards compatibility, please read the changelog before changing.
   # $ darwin-rebuild changelog
   system.stateVersion = 5;
-
-  # The platform the configuration will be used on.
-  nixpkgs.hostPlatform = system;
 }

modules/home/programs/terminal/neovim/default.nix

@@ -0,0 +1,24 @@
+{
+  lib,
+  namespace,
+  config,
+  ...
+}: let
+  cfg = config.${namespace}.programs.terminal.neovim;
+in {
+  options.${namespace}.programs.terminal.neovim = {
+    enable = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = "Whether to enable neovim.";
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    programs.neovim = {
+      enable = true;
+      viAlias = true;
+      vimAlias = true;
+    };
+  };
+}

modules/home/suites/terminal/default.nix

@@ -29,6 +29,7 @@ in {
           gdu.enable = true;
           git.enable = true;
           mcfly.enable = true;
+          neovim.enable = true;
           starship.enable = true;
           tmux.enable = true;
           yazi.enable = true;

modules/nixos/basic/default.nix

@@ -1,57 +1,17 @@
 {
   lib,
   pkgs,
-  inputs,
   system,
   ...
 }: {
-  # Nix configurations.
-  nix = {
-    settings = let
-      flake = import "${inputs.self}/flake.nix";
-    in {
-      # Nix will instruct remote build machines to use their own binary substitutes if available.
-      builders-use-substitutes = true;
-      # Experimental nix features.
-      experimental-features = ["flakes" "nix-command"];
-      # Nix will fall back to building from source if a binary substitute fails.
-      fallback = true;
-      # The garbage collector will keep the derivations from which non-garbage store paths were built.
-      keep-derivations = true;
-      # The garbage collector will keep the outputs of non-garbage derivations.
-      keep-outputs = true;
-      # Builds will be performed in a sandboxed environment on Linux.
-      sandbox = pkgs.stdenv.isLinux;
-      # These users will have additional rights when connecting to the Nix daemon.
-      trusted-users = ["root" "@wheel" "@admin"];
-      # Never warn about dirty Git/Mercurial trees.
-      warn-dirty = false;
-      # Substituters and public keys.
-      inherit (flake.nixConfig) substituters trusted-substituters trusted-public-keys;
-    };
-    # Nix automatically detects files in the store that have identical contents, and replaces them with hard links to a single copy.
-    optimise.automatic = true;
-    # Garbage collector
-    gc.automatic = true;
-    # List of directories to be searched for <...> file references.
-    nixPath =
-      [
-        "nixpkgs=flake:nixpkgs"
-        "home-manager=flake:home-manager"
-      ]
-      ++ (
-        lib.optional
-        pkgs.stdenv.isDarwin
-        "darwin=/etc/nix/inputs/darwin"
-      );
-    registry =
-      lib.mapAttrs
-      (_n: v: {flake = v;})
-      (lib.filterAttrs (n: _v: !(lib.hasPrefix "nixpkgs" n) && n != "self") inputs);
-  };
+  imports = [
+    (lib.snowfall.fs.get-file
+      "modules/common/nix/default.nix")
+    (lib.snowfall.fs.get-file
+      "modules/common/packages/default.nix")
+  ];
 
   # Default user shell: zsh
-  programs.zsh.enable = true;
   users.defaultUserShell = pkgs.zsh;
 
   # Home-manager automatically backup extension.
@@ -60,9 +20,6 @@
   # Used for backwards compatibility, please read the changelog before changing.
   system.stateVersion = "24.11";
 
-  # The platform the configuration will be used on.
-  nixpkgs.hostPlatform = system;
-
   # Use sudo without password.
   security.sudo.wheelNeedsPassword = false;