Add nix-darwin configs

nix-darwin/dot-config/nix-darwin/flake.nix

@@ -0,0 +1,106 @@
+{
+  description = "Twid's Darwin System Flake";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    nix-darwin.url = "github:LnL7/nix-darwin";
+    nix-darwin.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = inputs@{ self, nix-darwin, nixpkgs }:
+  let
+    configuration = { pkgs, ... }: {
+      # List packages installed in system profile. To search by name, run:
+      # $ nix-env -qaP | grep wget
+      environment.systemPackages =
+        [ 
+          #pkgs.vim
+          #pkgs.inotify-tools
+          #pkgs.oh-my-zsh 
+          #pkgs.wezterm # no luck on x86_64-darwin
+          #pkgs.copyq # no luck on x86_64-darwin 
+          #pkgs.dropbox
+          pkgs.neovim
+          pkgs.ranger
+          pkgs.alacritty
+          pkgs.kitty
+          pkgs.mpd
+          pkgs.ncmpcpp 
+          pkgs.stow 
+          pkgs.zoxide
+          pkgs.fzf
+          pkgs.ripgrep
+          pkgs.silver-searcher
+          pkgs.fd
+          pkgs.python3
+          pkgs.pyenv
+          pkgs.nodenv
+          pkgs.tmux
+          pkgs.tmuxinator
+          pkgs.nodejs_22
+          pkgs.go
+          pkgs.rustup
+          pkgs.docker
+          pkgs.docker-compose
+          pkgs.colima
+        ];
+
+      # Auto upgrade nix package and the daemon service.
+      services.nix-daemon.enable = true;
+      # nix.package = pkgs.nix;
+
+      # Necessary for using flakes on this system.
+      nix.settings.experimental-features = "nix-command flakes";
+
+      # Create /etc/zshrc that loads the nix-darwin environment.
+      programs.zsh.enable = true;  # default shell on catalina
+      # programs.fish.enable = true;
+
+      # Set Git commit hash for darwin-version.
+      system.configurationRevision = self.rev or self.dirtyRev or null;
+
+      # Used for backwards compatibility, please read the changelog before changing.
+      # $ darwin-rebuild changelog
+      system.stateVersion = 4;
+
+      # The platform the configuration will be used on.
+      nixpkgs.hostPlatform = "x86_64-darwin";
+
+      # System settings
+      system.defaults = {
+        dock.autohide = true;
+        # dock.autohide-delay = 0.24;
+        dock.autohide-delay = 0.17;
+        dock.orientation = "left";
+        NSGlobalDomain.InitialKeyRepeat = 200;
+        NSGlobalDomain.KeyRepeat = 75;
+      };
+
+      # Homebrew needs to be installed on its own!
+      homebrew.enable = true;
+      homebrew.casks = [
+        "firefox"
+	      "wireshark"
+        "google-chrome"
+        "wezterm" # nix package does not work on x86_64-darwin
+        "copyq" # nix package does not work on x86_64-darwin
+        "dropbox" # nix package does not work on x86_64-darwin
+        "font-dejavu-sans-mono-nerd-font"
+        "docker"
+      ];
+      homebrew.brews = [
+	      "imagemagick"
+      ];
+    };
+  in
+  {
+    # Build darwin flake using:
+    # $ darwin-rebuild build --flake .#Twids-iMac-Pro
+    darwinConfigurations."Twids-iMac-Pro" = nix-darwin.lib.darwinSystem {
+      modules = [ configuration ];
+    };
+
+    # Expose the package set, including overlays, for convenience.
+    darwinPackages = self.darwinConfigurations."Twids-iMac-Pro".pkgs;
+  };
+}

nix-darwin/dot-config/nix/nix.conf

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+# Generated by https://github.com/DeterminateSystems/nix-installer.
+# See `/nix/nix-installer --version` for the version details.
+
+#trusted-users = twidxuga
+#build-users-group = nixbld
+experimental-features = nix-command flakes
+#always-allow-substitutes = true
+#bash-prompt-prefix = (nix:$name)\040
+#max-jobs = auto
+#extra-nix-path = nixpkgs=flake:nixpkgs
+#upgrade-nix-store-path-url = https://install.determinate.systems/nix-upgrade/stable/universal