Current my site.pp for Poxen, I will create separated modules to use these snippets much easier from Poxen.

site.pp

node default {
  # This is required to apply some manifests since these are not using
  # appropriate user, group or full path to the command.
  Exec {
    group => "staff",
    user => $boxen_user,
    path => [
      "/usr/local/bin",
      "/usr/bin",
      "/bin",
      "/usr/sbin",
      "sbin"
    ]
  }

  # This is also required to apply some manifests correctly.
  File {
    group => "staff",
    owner => $boxen_user
  }

  # Run all defaults command as login user.
  Boxen::Osx_defaults {
    user => $boxen_user
  }

  # NOTE OS X 10.9 Mavericks workaround
  # OS X 10.9 is using cfprefsd daemon to cache preferences
  # and sometimes it causes inconsistency between actual preferences and cache.
  # `killall cfprefsd` tells cfprefsd to flush all cache and it will relaunch.
  exec {
    "/usr/bin/killall cfprefsd":
      user => $boxen_user,
      refreshonly => true;
  }

  # Use /bin/zsh as login shell.
  osx_chsh {
    $boxen_user:
      shell => "/bin/zsh";
  }

  # Keyboard

  class {
    # Keyboard, Keyboard, Key Repeat
    "osx::global::key_repeat_rate":
      rate => 2;
    # Keyboard, Keyboard, Delay Until Repeat
    "osx::global::key_repeat_delay":
      delay => 15;
  }
  # Keyboard, Shortcuts, Full keyboard Access, All controls
  include osx::global::enable_keyboard_control_access
  # Disables keyboard press-and-hold for accented characters.
  include osx::global::disable_key_press_and_hold

  boxen::osx_defaults {
    "Keyboard, Keyboard, Use all F1, F2, etc. keys as standard function keys":
      domain => NSGlobalDomain,
      key => "com.apple.keyboard.fnState",
      type => boolean,
      value => true;
  }

  # Mouse and Trackpad

  class {
    # Trackpad, Scroll & Zoom, Scroll direction: natural
    "osx::global::natural_mouse_scrolling":
      enabled => false;
  }

  boxen::osx_defaults {
    "Trackpad, Point & Click, Secondary click":
      host => currentHost,
      domain => NSGlobalDomain,
      key => "com.apple.trackpad.enableSecondaryClick",
      type => boolean,
      value => true;

    "Trackpad, Point & Click, Tap to click":
      host => currentHost,
      domain => NSGlobalDomain,
      key => "com.apple.mouse.tapBehavior",
      type => boolean,
      value => true;
  }

  boxen::osx_defaults {
    "Mouse, Tracking":
      domain => NSGlobalDomain,
      key => "com.apple.mouse.scaling",
      type => float,
      value => 2.5;

    # Active all mouse buttons.
    "Mouse, Button 1":
      domain => "com.apple.driver.AppleHIDMouse",
      key => "Button1",
      type => integer,
      value => 1;

    "Mouse, Button 2":
      domain => "com.apple.driver.AppleHIDMouse",
      key => "Button2",
      type => integer,
      value => 2;

    "Mouse, Button 3":
      domain => "com.apple.driver.AppleHIDMouse",
      key => "Button3",
      type => integer,
      value => 3;

    "Mouse, Button 4":
      domain => "com.apple.driver.AppleHIDMouse",
      key => "Button4",
      type => integer,
      value => 4;
  }

  # Finder

  # General, Show these items on the desktop, all
  include osx::finder::show_all_on_desktop
  # Show ~/Library
  include osx::finder::unhide_library

  boxen::osx_defaults {
    "Finder, Advanced, Show all filename extensions":
      domain => NSGlobalDomain,
      key => "AppleShowAllExtensions",
      type => boolean,
      value => true,
      notify => Exec["killall Finder"];

    "Finder, Advanced, When performing a search":
      domain => "com.apple.finder",
      key => "FXDefaultSearchScope",
      type => string,
      value => "SCcf", # Search the Current Folder
      notify => Exec["killall Finder"];

    "Finder, Advanced, Show warning before changing an extension":
      domain => "com.apple.finder",
      key => "FXEnableExtensionChangeWarning",
      type => boolean,
      value => false,
      notify => Exec["killall Finder"];

    "Finder, Advanced, Show warning before emptying the Trash":
      domain => "com.apple.finder",
      key => "WarnOnEmptyTrash",
      type => boolean,
      value => false,
      notify => Exec["killall Finder"];
  }

  # Dock

  class {
    # Size
    "osx::dock::icon_size":
      size => 22;
  }
  # Show hidden app (secret preference)
  include osx::dock::dim_hidden_apps

  boxen::osx_defaults {
    "Dock, Magnification":
      domain => "com.apple.dock",
      key => "magnification",
      type => boolean,
      value => true,
      notify => Exec["killall Dock"];

    "Dock, Magnification, Size":
      domain => "com.apple.dock",
      key => "largesize",
      type => float,
      value => 32,
      notify => Exec["killall Dock"];
  }

  # Mission Control, Hot Corners
  boxen::osx_defaults {
    "Mission Control, Hot Corners, Top Left":
      domain => "com.apple.dock",
      key => "wvous-tl-corner",
      type => integer,
      value => 4, # Desktop
      notify => Exec["killall Dock"];

    "Mission Control, Hot Corners, Top Left, Modifier":
      ensure => absent,
      domain => "com.apple.dock",
      key => "wvous-tl-modifier",
      notify => Exec["killall Dock"];

    "Mission Control, Hot Corners, Bottom Left":
      domain => "com.apple.dock",
      key => "wvous-bl-corner",
      type => integer,
      value => 2, # Mission Control
      notify => Exec["killall Dock"];

    "Mission Control, Hot Corners, Bottom Left, Modifier":
      ensure => absent,
      domain => "com.apple.dock",
      key => "wvous-bl-modifier",
      notify => Exec["killall Dock"];

    "Mission Control, Hot Corners, Top Right":
      domain => "com.apple.dock",
      key => "wvous-tr-corner",
      type => integer,
      value => 12, # Notification Center
      notify => Exec["killall Dock"];

    "Mission Control, Hot Corners, Top Right, Modifier":
      ensure => absent,
      domain => "com.apple.dock",
      key => "wvous-tr-modifier",
      notify => Exec["killall Dock"];

    "Mission Control, Hot Corners, Bottom Right":
      domain => "com.apple.dock",
      key => "wvous-br-corner",
      type => integer,
      value => 5, # Start Screen Saver
      notify => Exec["killall Dock"];

    "Mission Control, Hot Corners, Bottom Right, Modifier":
      ensure => absent,
      domain => "com.apple.dock",
      key => "wvous-br-modifier",
      notify => Exec["killall Dock"];
  }

  # Menu Items

  boxen::osx_defaults {
    "Energy Saver, Show battery status in menu bar, Show Percentage":
      domain => "com.apple.menuextra.battery",
      key => "ShowPercent",
      type => boolean,
      value => true;

    "Date & Time, Clock, Display the time with seconds":
      domain => "com.apple.menuextra.clock",
      key => "DateFormat",
      type => string,
      value => "EEE h:mm:ss a"; # Sun 8:35:25 PM
  }

  ~>

  # To apply menu item changes, restart SystemUIServer
  exec {
    "/usr/bin/killall SystemUIServer":
      user => $boxen_user,
      refreshonly => true;
  }

  # General

  boxen::osx_defaults {
    "General, Sidebar icon size":
      domain => NSGlobalDomain,
      key => "NSTableViewDefaultSizeMode",
      type => integer,
      value => 1; # Small

    "Disable window animations":
      domain => NSGlobalDomain,
      key => "NSAutomaticWindowAnimationsEnabled",
      type => boolean,
      value => false;
  }

  # Desktop & Screen Saver

  boxen::osx_defaults {
    "Desktop & Screen Saver, Screen Saver, Start after":
      host => currentHost,
      domain => "com.apple.screensaver",
      key => "idleTime",
      type => interger,
      value => 600; # 10 Minutes
  }

  # Image Capture (iPhoto)

  boxen::osx_defaults {
    "Connecting camera opens, No application":
      ensure => absent,
      host => currentHost,
      domain => "com.apple.ImageCapture2",
      key => "HotPlugActionPath";
  }

  # Applications

  include chrome::beta

  include mou

  include xquartz

  include vagrant

  package {
    "Android Studio":
      source => "http://dl.google.com/android/studio/install/0.3.2/android-studio-bundle-132.893413-mac.dmg",
      provider => appdmg;

    "AppCleaner":
      source => "http://www.freemacsoft.net/downloads/AppCleaner_2.2.1.zip",
      provider => compressed_app;

    "AppCode":
      source => "http://download.jetbrains.com/objc/AppCode-2.5.4.dmg",
      provider => appdmg;

    "Charles":
      source => "http://www.charlesproxy.com/assets/release/3.8.3/charles-proxy-3.8.3a-applejava.dmg",
      provider => appdmg_eula;

    "Dropbox":
      source => "https://www.dropbox.com/download?plat=mac",
      provider => appdmg;

    "Evernote":
      source => "http://evernote.com/download/get.php?file=EvernoteMac",
      provider => appdmg_eula;

    "Firefox":
      source => "ftp://ftp.mozilla.org/pub/mozilla.org/firefox/releases/25.0.1/mac/en-US/Firefox%2025.0.1.dmg",
      provider => appdmg;

    "IntelliJ IDEA 12":
      source => "http://download.jetbrains.com/idea/ideaIU-12.1.6.dmg",
      provider => appdmg;

    "IntelliJ IDEA 13":
      source => "http://download.jetbrains.com/idea/ideaIU-13.dmg",
      provider => appdmg;

    "iPhone Configuration Utility":
      source => "http://support.apple.com/downloads/DL1465/en_US/iPhoneConfigUtility.dmg",
      provider => pkgdmg;

    "Kaleidoscope":
      source => "https://updates.blackpixel.com/latest?app=ks",
      flavor => zip,
      provider => compressed_app;

    "LimeChat":
      source => "http://downloads.sourceforge.net/project/limechat/limechat/LimeChat_2.39.tbz",
      provider => compressed_app;

    "Lytro Desktop":
      source => "https://www.lytro.com/downloads/Lytro.dmg",
      provider => appdmg;

    "MacVim":
      source => "https://macvim-kaoriya.googlecode.com/files/macvim-kaoriya-20131126.dmg",
      provider => appdmg;

    "MySQLWorkbench":
      source => "http://dev.mysql.com/get/Downloads/MySQLGUITools/mysql-workbench-community-6.0.8-osx-i686.dmg",
      provider => appdmg;

    "OmniGraffle":
      source => "http://www.omnigroup.com/download/latest/omnigraffle",
      provider => appdmg_eula;

    "Postgres":
      source => "http://postgresapp.com/download",
      flavor => zip,
      provider => compressed_app;

    "Reflector":
      source => "http://download.airsquirrels.com/Reflector/Mac/Reflector.dmg",
      provider => appdmg;

    "Reveal":
      source => "http://download.revealapp.com/Reveal.app.zip",
      provider => compressed_app;

    "Skitch":
      source => "http://evernote.com/download/get.php?file=SkitchMac",
      flavor => zip,
      provider => compressed_app;

    "SourceTree":
      source => "http://downloads.atlassian.com/software/sourcetree/SourceTree_1.8.0.3.dmg",
      provider => appdmg;

    "Sublime Text 2":
      source => "http://c758482.r82.cf2.rackcdn.com/Sublime%20Text%202.0.2.dmg",
      provider => appdmg;

    "The Unarchiver":
      source => "http://theunarchiver.googlecode.com/files/TheUnarchiver3.9.1.zip",
      provider => compressed_app;

    "VMware Fusion":
      source => "https://download3.vmware.com/software/fusion/file/VMware-Fusion-6.0.2-1398658-light.dmg",
      provider => appdmg;

    "Skype":
      source => "http://www.skype.com/go/getskype-macosx.dmg",
      provider => appdmg;

    "Google Hangout Plugin":
      source => "http://dl.google.com/googletalk/googletalkplugin/GoogleVoiceAndVideoSetup.dmg",
      provider => pkgdmg;
  }

  # Utilities

  package {
    "SIMBL":
      source => "http://www.culater.net/dl/files/SIMBL-0.9.9.zip",
      provider => compressed_pkg;
  }

  # Uninstall Java Applet Plugin

  file {
    "/Library/Internet Plug-Ins/JavaAppletPlugin.plugin":
      ensure => absent;
  }
}