osx_hack.sh

#!/bin/sh

##
# This is a script with usefull tips taken from:
#   https://github.com/mathiasbynens/dotfiles/blob/master/.osx
#
# Run in interactive mode with:
#   $ sh -c "$(curl -sL https://gist.github.com/sydneyitguy/5572931/raw/osx_hack.sh)"
#
# or run it without prompt questions:
#   $ sh -c "$(curl -sL https://gist.github.com/sydneyitguy/5572931/raw/osx_hack.sh)" -s silent
#
# Please, share your tips commenting here:
#   https://gist.github.com/2108403
#
# Author: @DAddYE
# Thanks to: @mathiasbynens
#
case $1 in
  "-s" | "-y" | "--silent" | "silent" )
    echo "Running in silent mode..."
    auto=Y
    shift 1
    ;;
  *)
    auto=N
    if [ ! -t 0 ]; then
      echo "Interactive mode needs terminal!" >&2
      exit 1
    fi
    ;;
esac

function ask {
  while true; do

    if [ "$2" == "Y" ]; then
      prompt="\033[1;32mY\033[0m/n"
      default=Y
    elif [ "$2" == "N" ]; then
      prompt="y/\033[1;32mN\033[0m"
      default=N
    else
      prompt="y/n"
      default=
    fi

    printf "$1 [$prompt] "

    if [ "$auto" == "Y" ]; then
      echo
    else
      read yn
    fi

    if [ -z "$yz" ]; then
      yn=$default
    fi

    case $yn in
      [Yy]*) return 0 ;;
      [Nn]*) return 1 ;;
    esac
  done
}

if ask "Show all filename extensions in Finder" Y; then
  defaults write NSGlobalDomain AppleShowAllExtensions -bool true
fi

if ask "Disable press-and-hold for keys in favor of key repeat" Y; then
  defaults write NSGlobalDomain ApplePressAndHoldEnabled -bool false
fi

if ask "Set a blazingly fast keyboard repeat rate" Y; then
  defaults write NSGlobalDomain KeyRepeat -int 0
fi

if ask "Set a shorter Delay until key repeat" Y; then
  defaults write NSGlobalDomain InitialKeyRepeat -int 18
fi

if ask "Use current directory as default search scope in Finder" Y; then
  defaults write com.apple.finder FXDefaultSearchScope -string "SCcf"
fi

if ask "Show Path bar in Finder" Y; then
  defaults write com.apple.finder ShowPathbar -bool true
fi

if ask "Show Status bar in Finder" Y; then
  defaults write com.apple.finder ShowStatusBar -bool true
fi

if ask "Automatically open a new Finder window when a volume is mounted" Y; then
  defaults write com.apple.frameworks.diskimages auto-open-ro-root -bool true
  defaults write com.apple.frameworks.diskimages auto-open-rw-root -bool true
  defaults write com.apple.finder OpenWindowForNewRemovableDisk -bool true
fi

if ask "Display full POSIX path as Finder window title" Y; then
  defaults write com.apple.finder _FXShowPosixPathInTitle -bool true
fi

if ask "Disable the warning when changing a file extension" Y; then
  defaults write com.apple.finder FXEnableExtensionChangeWarning -bool false
fi

if ask "Set the icon size of the Dock to 40 pixels" Y; then
  defaults write com.apple.dock tilesize -int 40
fi

if ask "Move Dock on the Right" Y; then
  defaults write com.apple.dock orientation -string "right"
fi

if ask "Enable AirDrop over Ethernet and on unsupported Macs running Lion" Y; then
  defaults write com.apple.NetworkBrowser BrowseAllInterfaces -bool true
fi

if ask "Avoid creating .DS_Store files on network volumes" Y; then
  defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool true
fi

if ask "Enable tap to click on Trackpad and login screen" Y; then
  defaults write com.apple.driver.AppleBluetoothMultitouch.trackpad Clicking -bool true
  defaults write NSGlobalDomain com.apple.mouse.tapBehavior -int 1
  defaults write com.apple.mouse.tapBehaviour -int 1
fi

if ask "Disable Natural Scroll Direction" Y; then
  defaults write NSGlobalDomain com.apple.swipescrolldirection -bool false
fi

if ask "A bit faster Trackpad" Y; then
  defaults write NSGlobalDomain com.apple.trackpad.scaling -float 2
fi

if ask "Only use UTF-8 in Terminal.app" Y; then
  defaults write com.apple.terminal StringEncodings -array 4
fi

if ask "Show the ~/Library folder" Y; then
  chflags nohidden ~/Library
fi

if ask "Disable local Time Machine backups" Y; then
  hash tmutil &> /dev/null && sudo tmutil disablelocal
fi

if ask "Kill affected applications" Y; then
  for app in Safari Finder Dock Mail SystemUIServer; do
    killall "$app" >/dev/null 2>&1
  done
  echo
  echo "** \033[33mSome changes needs a reboot to take effect\033[0m **"
  echo
fi