initial commit

modules/apps.nix

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+{ pkgs, ... }: {
+
+  environment.systemPackages = with pkgs; [
+    neovim
+    git
+  ];
+
+  environment.variables.EDITOR = "nvim";
+
+  homebrew = {
+    enable = true;
+
+    onActivation = {
+      autoUpdate = false;
+      # 'zap': uninstalls all formulae(and related files) not listed here.
+      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 = {
+      Xcode = 497799835;
+      "Reeder 5." = 1529448980;
+      Wireguard = 1451685025;
+      Bitwarden = 1352778147;
+      "AdGuard for Safari" = 1440147259;
+    };
+
+    taps = [
+    ];
+
+    brews = [
+    ];
+
+    casks = [
+    ];
+  };
+}

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, lib, ... }:
+
+{
+  # enable flakes globally
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+
+  # Allow unfree packages
+  nixpkgs.config.allowUnfree = true;
+
+  # Auto upgrade nix package and the daemon service.
+  services.nix-daemon.enable = true;
+  # Use this instead of services.nix-daemon.enable if you
+  # don't wan't the daemon service to be managed for you.
+  # nix.useDaemon = true;
+
+  nix.package = pkgs.nix;
+
+  # do garbage collection weekly to keep disk usage low
+  nix.gc = {
+    automatic = lib.mkDefault true;
+    options = lib.mkDefault "--delete-older-than 7d";
+  };
+
+  # Disable auto-optimise-store because of this issue:
+  #   https://github.com/NixOS/nix/issues/7273
+  # "error: cannot link '/nix/store/.tmp-link-xxxxx-xxxxx' to '/nix/store/.links/xxxx': File exists"
+  nix.settings = {
+    auto-optimise-store = false;
+  };
+}

modules/system.nix

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+{ pkgs, ... }:
+
+  ###################################################################################
+  #
+  #  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 = {
+    # 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
+    '';
+
+    defaults = {
+      menuExtraClock.Show24Hour = true;  # show 24 hour clock
+      
+      # customize dock
+      # dock = {
+      #   autohide = true;
+      #   show-recents = false;  # disable recent apps
+
+      #   # customize Hot Corners
+      #   wvous-tl-corner = 2;  # top-left - Mission Control
+      #   wvous-tr-corner = 13;  # top-right - Lock Screen
+      #   wvous-bl-corner = 3;  # bottom-left - Application Windows
+      #   wvous-br-corner = 4;  # bottom-right - Desktop
+      # };
+
+      # # customize finder
+      # finder = {
+      #   _FXShowPosixPathInTitle = true;  # show full path in finder title
+      #   AppleShowAllExtensions = true;  # show all file extensions
+      #   FXEnableExtensionChangeWarning = false;  # disable warning when changing file extension
+      #   QuitMenuItem = true;  # enable quit menu item
+      #   ShowPathbar = true;  # show path bar
+      #   ShowStatusBar = true;  # show status bar
+      # };
+
+      # # customize trackpad
+      # trackpad = {
+      #   Clicking = true;  # enable tap to click
+      #   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;  # enable natural scrolling(default to true)
+      #   "com.apple.sound.beep.feedback" = 0;  # disable beep sound when pressing volume up/down key
+      #   AppleInterfaceStyle = "Dark";  # dark mode
+      #   AppleKeyboardUIMode = 3;  # Mode 3 enables full keyboard control.
+      #   ApplePressAndHoldEnabled = true;  # enable press and hold
+
+      #   # If you press and hold certain keyboard keys when in a text area, the key’s character begins to repeat.
+      #   # This is very useful for vim users, they use `hjkl` to move cursor.
+      #   # sets how long it takes before it starts repeating.
+      #   InitialKeyRepeat = 15;  # normal minimum is 15 (225 ms), maximum is 120 (1800 ms)
+      #   # sets how fast it repeats once it starts. 
+      #   KeyRepeat = 3;  # normal minimum is 2 (30 ms), maximum is 120 (1800 ms)
+
+      #   NSAutomaticCapitalizationEnabled = false;  # disable auto capitalization(自动大写)
+      #   NSAutomaticDashSubstitutionEnabled = false;  # disable auto dash substitution(智能破折号替换)
+      #   NSAutomaticPeriodSubstitutionEnabled = false;  # disable auto period substitution(智能句号替换)
+      #   NSAutomaticQuoteSubstitutionEnabled = false;  # disable auto quote substitution(智能引号替换)
+      #   NSAutomaticSpellingCorrectionEnabled = false;  # disable auto spelling correction(自动拼写检查)
+      #   NSNavPanelExpandedStateForSaveMode = true;  # expand save panel by default(保存文件时的路径选择/文件名输入页)
+      #   NSNavPanelExpandedStateForSaveMode2 = 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.spaces" = {
+      #     "spans-displays" = 0; # Display have seperate spaces
+      #   };
+      #   "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.screencapture" = {
+      #     location = "~/Desktop";
+      #     type = "png";
+      #   };
+      #   "com.apple.AdLib" = {
+      #     allowApplePersonalizedAdvertising = false;
+      #   };
+      #   # Prevent Photos from opening automatically when devices are plugged in
+      #   "com.apple.ImageCapture".disableHotPlug = true;
+      # };
+
+      # loginwindow = {
+      #   GuestEnabled = false;  # disable guest user
+      #   SHOWFULLNAME = true;  # show full name in login window
+      # };
+    };
+
+    # 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  = true;   # remap caps lock to escape, useful for vim users
+
+    #   # swap left command and left alt 
+    #   # so it matches common keyboard layout: `ctrl | command | alt`
+    #   #
+    #   # disabled, caused only problems!
+    #   swapLeftCommandAndLeftAlt = false;  
+    # };
+  };
+
+  # Add ability to used TouchID for sudo authentication
+  security.pam.enableSudoTouchIdAuth = 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
+    pkgs.fish
+    pkgs.bash
+  ];
+
+  # Set your time zone.
+  time.timeZone = "America/Detroit";
+}