Initial commit

flake.lock

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+{
+  "nodes": {
+    "darwin": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs-darwin"
+        ]
+      },
+      "locked": {
+        "lastModified": 1743496612,
+        "narHash": "sha256-emPWa5lmKbnyuj8c1mSJUkzJNT+iJoU9GMcXwjp2oVM=",
+        "owner": "lnl7",
+        "repo": "nix-darwin",
+        "rev": "73d59580d01e9b9f957ba749f336a272869c42dd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "lnl7",
+        "repo": "nix-darwin",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1743568003,
+        "narHash": "sha256-ZID5T65E8ruHqWRcdvZLsczWDOAWIE7om+vQOREwiX0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "b7ba7f9f45c5cd0d8625e9e217c28f8eb6a19a76",
+        "type": "github"
+      },
+      "original": {
+        "id": "nixpkgs",
+        "type": "indirect"
+      }
+    },
+    "nixpkgs-darwin": {
+      "locked": {
+        "lastModified": 1743568003,
+        "narHash": "sha256-ZID5T65E8ruHqWRcdvZLsczWDOAWIE7om+vQOREwiX0=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "b7ba7f9f45c5cd0d8625e9e217c28f8eb6a19a76",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "darwin": "darwin",
+        "nixpkgs": "nixpkgs",
+        "nixpkgs-darwin": "nixpkgs-darwin"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "Nix for macOS configuration";
+
+  ##################################################################################################################
+  #
+  # Want to know Nix in details? Looking for a beginner-friendly tutorial?
+  # Check out https://github.com/ryan4yin/nixos-and-flakes-book !
+  #
+  ##################################################################################################################
+
+  # This is the standard format for flake.nix. `inputs` are the dependencies of the flake,
+  # Each item in `inputs` will be passed as a parameter to the `outputs` function after being pulled and built.
+  inputs = {
+    nixpkgs-darwin.url = "github:nixos/nixpkgs/nixpkgs-unstable";
+    # nixpkgs-darwin.url = "github:nixos/nixpkgs/nixpkgs-24.05-darwin";
+    darwin = {
+      url = "github:lnl7/nix-darwin";
+      inputs.nixpkgs.follows = "nixpkgs-darwin";
+    };
+  };
+
+  # The `outputs` function will return all the build results of the flake.
+  # A flake can have many use cases and different types of outputs,
+  # parameters in `outputs` are defined in `inputs` and can be referenced by their names.
+  # However, `self` is an exception, this special parameter points to the `outputs` itself (self-reference)
+  # The `@` syntax here is used to alias the attribute set of the inputs's parameter, making it convenient to use inside the function.
+  outputs = inputs @ {
+    self,
+    nixpkgs,
+    darwin,
+    ...
+  }: let
+    # TODO replace with your own username, system and hostname
+    username = "poby";
+    system = "aarch64-darwin";
+    hostname = "pobys-macbook-pro";
+
+    specialArgs =
+      inputs
+      // {
+        inherit username hostname;
+      };
+  in {
+    darwinConfigurations."${hostname}" = darwin.lib.darwinSystem {
+      inherit system specialArgs;
+      modules = [
+        ./modules/nix-core.nix
+        ./modules/system.nix
+        ./modules/apps.nix
+        ./modules/host-users.nix
+      ];
+    };
+    # nix code formatter
+    formatter.${system} = nixpkgs.legacyPackages.${system}.alejandra;
+  };
+}

modules/apps.nix

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+{ pkgs, ... }: {
+
+  ##########################################################################
+  # 
+  #  Install all apps and packages here.
+  #
+  # TODO Fell free to modify this file to fit your needs.
+  #
+  ##########################################################################
+
+  # Install packages from nix's official package repository.
+  #
+  # The packages installed here are available to all users, and are reproducible across machines, and are rollbackable.
+  # But on macOS, it's less stable than homebrew.
+  #
+  # Related Discussion: https://discourse.nixos.org/t/darwin-again/29331
+  environment.systemPackages = with pkgs; [
+    # CLI
+    neovim
+    git
+    just # use Justfile to simplify nix-darwin's commands
+    nodejs-slim
+    ffmpeg
+    fzf
+    bat
+    fastfetch
+    gh
+    lsd
+    jdk
+    jdk17
+    jdk11
+    mkalias
+    python310
+    tldr
+    tmux
+    tree
+    zoxide
+
+    # GUI
+    alt-tab-macos
+    bitwarden-desktop
+    bruno
+    discord
+    pretendard
+    google-chrome
+    iina
+    jetbrains.idea-ultimate
+    ice-bar
+    keka
+    postman
+    raycast
+    rectangle
+    slack
+    stats
+    telegram-desktop
+    vscode
+    zoom-us
+  ];
+  environment.variables.EDITOR = "nvim";
+
+  # TODO To make this work, homebrew need to be installed manually, see https://brew.sh
+  # 
+  # The apps installed by homebrew are not managed by nix, and not reproducible!
+  # But on macOS, homebrew has a much larger selection of apps than nixpkgs, especially for GUI apps!
+  homebrew = {
+    enable = true;
+
+    onActivation = {
+      autoUpdate = true; # Fetch the newest stable branch of Homebrew's git repo
+      upgrade = true; # Upgrade outdated casks, formulae, and App Store apps
+      # 'zap': uninstalls all formulae(and related files) not listed in the generated Brewfile
+      cleanup = "zap";
+    };
+
+    # Applications to install from Mac App Store using mas.
+    # You need to install all these Apps manually first so that your apple account have records for them.
+    # otherwise Apple Store will refuse to install them.
+    # For details, see https://github.com/mas-cli/mas 
+    masApps = {
+      KakaoTalk = 869223134;
+      Across = 6444851827;
+      Flighty = 1358823008;
+    };
+
+    taps = [ ];
+
+    # `brew install`
+    brews = [
+      "wget"
+      "curl" # do not install curl via nixpkgs, it's not working well on macOS!
+    ];
+
+    # `brew install --cask`
+    casks = [
+      "claude"
+      "docker"
+      "daisydisk"
+      "ghostty"
+      "hammerspoon"
+      "hancom-docs"
+      "logi-options+"
+      "notion"
+      "onyx"
+      "readdle-spark"
+      "shottr"
+      "zen-browser"
+    ];
+  };
+}

modules/host-users.nix

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+{
+  username,
+  hostname,
+  ...
+} @ args:
+#############################################################
+#
+#  Host & Users configuration
+#
+#############################################################
+{
+  networking.hostName = hostname;
+  networking.computerName = hostname;
+  system.defaults.smb.NetBIOSName = hostname;
+
+  # Define a user account. Don't forget to set a password with ‘passwd’.
+  users.users."${username}" = {
+    home = "/Users/${username}";
+    description = username;
+  };
+
+  nix.settings.trusted-users = [username];
+}

modules/nix-core.nix

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+{ pkgs, ... }:
+
+{
+  nix.settings = {
+    # enable flakes globally
+    experimental-features = ["nix-command" "flakes"];
+  };
+
+  # Allow unfree packages
+  nixpkgs.config = {
+    allowUnfree = true;
+    allowBroken = true;
+  };
+
+  # Auto upgrade nix package and the daemon service.
+  nix.package = pkgs.nix;
+
+  # Enable Determinate
+  nix.enable = false;
+}

modules/system.nix

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+{ pkgs, config, ... }:
+
+  ###################################################################################
+  #
+  #  macOS's System configuration
+  #
+  #  All the configuration options are documented here:
+  #    https://daiderd.com/nix-darwin/manual/index.html#sec-options
+  #  Incomplete list of macOS `defaults` commands :
+  #    https://github.com/yannbertrand/macos-defaults
+  #
+  ###################################################################################
+{
+  system = {
+    stateVersion = 5;
+    # activationScripts are executed every time you boot the system or run `nixos-rebuild` / `darwin-rebuild`.
+    activationScripts.postUserActivation.text = ''
+      # activateSettings -u will reload the settings from the database and apply them to the current session,
+      # so we do not need to logout and login again to make the changes take effect.
+      /System/Library/PrivateFrameworks/SystemAdministration.framework/Resources/activateSettings -u
+    '';
+
+    activationScripts.applications.text = let
+      env = pkgs.buildEnv {
+        name = "system-applications";
+        paths = config.environment.systemPackages;
+        pathsToLink = "/Applications";
+      };
+    in
+      pkgs.lib.mkForce ''
+      # Set up applications.
+      echo "setting up /Applications..." >&2
+      rm -rf /Applications/Nix\ Apps
+      mkdir -p /Applications/Nix\ Apps
+      find ${env}/Applications -maxdepth 1 -type l -exec readlink '{}' + |
+      while read -r src; do
+        app_name=$(basename "$src")
+        echo "copying $src" >&2
+        ${pkgs.mkalias}/bin/mkalias "$src" "/Applications/Nix Apps/$app_name"
+      done
+          '';
+
+    defaults = {
+      # login window
+      loginwindow = {
+        GuestEnabled = false;  # disable guest user
+        SHOWFULLNAME = true;  # show full name in login window
+      };
+
+      # control center
+      controlcenter = {
+        Sound = false;
+        Bluetooth = false;
+        AirDrop = false;
+        Display = false;
+        NowPlaying = false;
+      };
+
+      # clock
+      menuExtraClock = {
+        Show24Hour = true;
+        ShowAMPM = false;
+        ShowDayOfWeek = false;
+      };
+      
+      # dock
+      dock = {
+        autohide = true;
+        autohide-delay = 0.01;
+        autohide-time-modifier = 0.1;
+        mineffect = "suck";
+        show-recents = false;
+        tilesize = 50;
+        magnification = true;
+        largesize = 70;
+        wvous-bl-corner = 11;
+      };
+
+      # finder
+      finder = {
+        AppleShowAllFiles = true;
+        ShowStatusBar = true;
+        ShowPathbar = true;
+        FXPreferredViewStyle = "Nlsv";
+        AppleShowAllExtensions = true;
+        QuitMenuItem = true;
+        _FXShowPosixPathInTitle = true;
+        _FXSortFoldersFirst = true;
+        FXEnableExtensionChangeWarning = false;
+        NewWindowTarget = "Home";
+      };
+
+      # trackpad
+      trackpad = {
+        Clicking = true;
+        TrackpadRightClick = true;  # enable two finger right click
+        TrackpadThreeFingerDrag = true;  # enable three finger drag
+      };
+
+      # customize settings that not supported by nix-darwin directly
+      # Incomplete list of macOS `defaults` commands :
+      #   https://github.com/yannbertrand/macos-defaults
+      NSGlobalDomain = {
+        # `defaults read NSGlobalDomain "xxx"`
+        "com.apple.swipescrolldirection" = true;
+        AppleInterfaceStyle = "Dark";
+        AppleKeyboardUIMode = 3;
+        ApplePressAndHoldEnabled = false;
+        InitialKeyRepeat = 15;
+        KeyRepeat = 2;
+
+        AppleShowScrollBars = "WhenScrolling";
+        AppleScrollerPagingBehavior = true;
+
+        NSAutomaticCapitalizationEnabled = false;
+        NSAutomaticDashSubstitutionEnabled = false;
+        NSAutomaticPeriodSubstitutionEnabled = false;
+        NSAutomaticQuoteSubstitutionEnabled = false;
+        NSAutomaticSpellingCorrectionEnabled = false;
+        NSNavPanelExpandedStateForSaveMode = true;
+        NSNavPanelExpandedStateForSaveMode2 = true;
+        NSTableViewDefaultSizeMode = 2;
+
+        "com.apple.keyboard.fnState" = true;
+      };
+
+      # Customize settings that not supported by nix-darwin directly
+      # see the source code of this project to get more undocumented options:
+      #    https://github.com/rgcr/m-cli
+      # 
+      # All custom entries can be found by running `defaults read` command.
+      # or `defaults read xxx` to read a specific domain.
+      CustomUserPreferences = {
+        ".GlobalPreferences" = {
+          # automatically switch to a new space when switching to the application
+          AppleSpacesSwitchOnActivate = true;
+        };
+        NSGlobalDomain = {
+          # Add a context menu item for showing the Web Inspector in web views
+          WebKitDeveloperExtras = true;
+        };
+        "com.apple.finder" = {
+          ShowExternalHardDrivesOnDesktop = true;
+          ShowHardDrivesOnDesktop = true;
+          ShowMountedServersOnDesktop = true;
+          ShowRemovableMediaOnDesktop = true;
+          _FXSortFoldersFirst = true;
+          # When performing a search, search the current folder by default
+          FXDefaultSearchScope = "SCcf";
+        };
+        "com.apple.desktopservices" = {
+          # Avoid creating .DS_Store files on network or USB volumes
+          DSDontWriteNetworkStores = true;
+          DSDontWriteUSBStores = true;
+        };
+        "com.apple.WindowManager" = {
+          EnableStandardClickToShowDesktop = 0; # Click wallpaper to reveal desktop
+          StandardHideDesktopIcons = 0; # Show items on desktop
+          HideDesktop = 0; # Do not hide items on desktop & stage manager
+          StageManagerHideWidgets = 0;
+          StandardHideWidgets = 0;
+        };
+        "com.apple.screensaver" = {
+          # Require password immediately after sleep or screen saver begins
+          askForPassword = 1;
+          askForPasswordDelay = 0;
+        };
+        "com.apple.AdLib" = {
+          allowApplePersonalizedAdvertising = false;
+        };
+        # Prevent Photos from opening automatically when devices are plugged in
+        "com.apple.ImageCapture".disableHotPlug = true;
+        "com.apple.dock" = {
+          springboard-columns = 10;
+          springboard-rows = 10;
+          ResetLaunchPad = true;
+        };
+      };
+    };
+
+    # keyboard settings is not very useful on macOS
+    # the most important thing is to remap option key to alt key globally,
+    # but it's not supported by macOS yet.
+    keyboard = {
+      enableKeyMapping = true;  # enable key mapping so that we can use `option` as `control`
+
+      # NOTE: do NOT support remap capslock to both control and escape at the same time
+      remapCapsLockToControl = false;  # remap caps lock to control, useful for emac users
+      remapCapsLockToEscape  = false;  # remap caps lock to escape, useful for vim users
+    };
+  };
+
+  # Add ability to used TouchID for sudo authentication
+  security.pam.services.sudo_local.touchIdAuth = true;
+
+  # Create /etc/zshrc that loads the nix-darwin environment.
+  # this is required if you want to use darwin's default shell - zsh
+  programs.zsh.enable = true;
+  environment.shells = [
+    pkgs.zsh
+  ];
+
+  # Set your time zone.
+  time.timeZone = "Asia/Seoul";
+
+  # Fonts
+  fonts = {
+    packages = with pkgs; [
+      # icon fonts
+      material-design-icons
+      font-awesome
+
+      # nerdfonts
+      nerd-fonts.symbols-only
+      nerd-fonts.meslo-lg
+      nerd-fonts.d2coding
+      nerd-fonts.fira-code
+      nerd-fonts.jetbrains-mono
+    ];
+  };
+}

result

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+/nix/store/wqavdqq4f3j9gwymsj724hz9jkjwa3gf-darwin-system-25.05.73d5958