OSX for Hackers: Yosemite Edition. This script tries not to be *too* opinionated and any major changes to your system require a prompt. You've been warned. Also, please don't email me about this script, my poor inbox...

osx-for-hackers.sh

#!/bin/sh

# Alot of these configs have been taken from the various places
# on the web, most from here
# https://github.com/mathiasbynens/dotfiles/blob/master/.osx

# Set the colours you can use
black='\033[0;30m'
white='\033[0;37m'
red='\033[0;31m'
green='\033[0;32m'
yellow='\033[0;33m'
blue='\033[0;34m'
magenta='\033[0;35m'
cyan='\033[0;36m'

# Resets the style
reset=`tput sgr0`

# Color-echo. Improved. [Thanks @joaocunha]
# arg $1 = message
# arg $2 = Color
cecho() {
  echo "${2}${1}${reset}"
  return
}

# Set continue to false by default
CONTINUE=false

echo ""
cecho "###############################################" $red
cecho "#        DO NOT RUN THIS SCRIPT BLINDLY       #" $red
cecho "#         YOU'LL PROBABLY REGRET IT...        #" $red
cecho "#                                             #" $red
cecho "#              READ IT THOROUGHLY             #" $red
cecho "#         AND EDIT TO SUIT YOUR NEEDS         #" $red
cecho "###############################################" $red
echo ""


echo ""
cecho "Have you read through the script you're about to run and " $red
cecho "understood that it will make changes to your computer? (y/n)" $red
read -r response
if [[ $response =~ ^([yY][eE][sS]|[yY])$ ]]; then
  CONTINUE=true
fi

if ! $CONTINUE; then
  # Check if we're continuing and output a message if not
  cecho "Please go read the script, it only takes a few minutes" $red
  exit
fi

# Here we go.. ask for the administrator password upfront and run a
# keep-alive to update existing `sudo` time stamp until script has finished
sudo -v
while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &

###############################################################################
# General UI/UX
###############################################################################

echo ""
echo "Would you like to set your computer name (as done via System Preferences >> Sharing)?  (y/n)"
read -r response
if [[ $response =~ ^([yY][eE][sS]|[yY])$ ]]; then
  echo "What would you like it to be?"
  read COMPUTER_NAME
  sudo scutil --set ComputerName $COMPUTER_NAME
  sudo scutil --set HostName $COMPUTER_NAME
  sudo scutil --set LocalHostName $COMPUTER_NAME
  sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.smb.server NetBIOSName -string $COMPUTER_NAME
fi

echo ""
echo "Hide the Time Machine, Volume, User, and Bluetooth icons?  (y/n)"
read -r response
if [[ $response =~ ^([yY][eE][sS]|[yY])$ ]]; then
  # Get the system Hardware UUID and use it for the next menubar stuff
  for domain in ~/Library/Preferences/ByHost/com.apple.systemuiserver.*; do
    defaults write "${domain}" dontAutoLoad -array \
      "/System/Library/CoreServices/Menu Extras/TimeMachine.menu" \
      "/System/Library/CoreServices/Menu Extras/Volume.menu" \
      "/System/Library/CoreServices/Menu Extras/User.menu"
  done

  defaults write com.apple.systemuiserver menuExtras -array \
    "/System/Library/CoreServices/Menu Extras/Bluetooth.menu" \
    "/System/Library/CoreServices/Menu Extras/AirPort.menu" \
    "/System/Library/CoreServices/Menu Extras/Battery.menu" \
    "/System/Library/CoreServices/Menu Extras/Clock.menu"
fi

echo ""
echo "Hide the Spotlight icon"
sudo chmod 600 /System/Library/CoreServices/Search.bundle/Contents/MacOS/Search

echo ""
echo "Disable Spotlight indexing for any volume that gets mounted and has not yet been indexed before"
echo 'Use `sudo mdutil -i off "/Volumes/foo"` to stop indexing any volume.'
sudo defaults write /.Spotlight-V100/VolumeConfiguration Exclusions -array "/Volumes"

echo ""
echo "Expanding the save panel by default"
defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode -bool true
defaults write NSGlobalDomain PMPrintingExpandedStateForPrint -bool true
defaults write NSGlobalDomain PMPrintingExpandedStateForPrint2 -bool true

echo ""
echo "Automatically quit printer app once the print jobs complete"
defaults write com.apple.print.PrintingPrefs "Quit When Finished" -bool true

# Try e.g. `cd /tmp; unidecode "\x{0000}" > cc.txt; open -e cc.txt`
echo ""
echo "Displaying ASCII control characters using caret notation in standard text views"
defaults write NSGlobalDomain NSTextShowsControlCharacters -bool true

echo ""
echo "Save to disk, rather than iCloud, by default"
defaults write NSGlobalDomain NSDocumentSaveNewDocumentsToCloud -bool false

echo ""
echo "Reveal IP address, hostname, OS version, etc. when clicking the clock in the login window"
sudo defaults write /Library/Preferences/com.apple.loginwindow AdminHostInfo HostName

echo ""
echo "Check for software updates daily, not just once per week"
defaults write com.apple.SoftwareUpdate ScheduleFrequency -int 1

echo ""
echo "Removing duplicates in the 'Open With' menu"
/System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user

echo ""
echo "Disable smart quotes and smart dashes"
defaults write NSGlobalDomain NSAutomaticQuoteSubstitutionEnabled -bool false
defaults write NSGlobalDomain NSAutomaticDashSubstitutionEnabled -bool false

echo ""
echo "Add ability to toggle between Light and Dark mode in Yosemite using ctrl+opt+cmd+t"
# http://www.reddit.com/r/apple/comments/2jr6s2/1010_i_found_a_way_to_dynamically_switch_between/
sudo defaults write /Library/Preferences/.GlobalPreferences.plist _HIEnableThemeSwitchHotKey -bool true

echo ""
echo "Disable Photos.app from starting everytime a device is plugged in"
defaults -currentHost write com.apple.ImageCapture disableHotPlug -bool true

echo ""
echo "Show crash report dialogs as notifications"
defaults write com.apple.CrashReporter UseUNC 1

echo ""
echo "Disable Auto Save, Versions and Resume"
defaults write -g ApplePersistence -bool no


###############################################################################
# General Power and Performance modifications
###############################################################################

echo ""
echo "Disable the sudden motion sensor"
sudo pmset -a sms 0

echo ""
echo "Disable system-wide resume"
defaults write com.apple.systempreferences NSQuitAlwaysKeepsWindows -bool false

echo ""
echo "Speeding up wake from sleep to 24 hours from an hour"
# http://www.cultofmac.com/221392/quick-hack-speeds-up-retina-macbooks-wake-from-sleep-os-x-tips/
sudo pmset -a standbydelay 86400


################################################################################
# Trackpad, mouse, keyboard, Bluetooth accessories, and input
###############################################################################

echo ""
echo "Increasing sound quality for Bluetooth headphones/headsets"
defaults write com.apple.BluetoothAudioAgent "Apple Bitpool Min (editable)" -int 40

echo ""
echo "Enabling full keyboard access for all controls (enable Tab in modal dialogs, menu windows, etc.)"
defaults write NSGlobalDomain AppleKeyboardUIMode -int 3

echo ""
echo "Setting a blazingly fast keyboard repeat rate"
defaults write NSGlobalDomain KeyRepeat -int 0

echo ""
echo "Disable auto-correct"
defaults write NSGlobalDomain NSAutomaticSpellingCorrectionEnabled -bool false

echo ""
echo "Turn off keyboard illumination when computer is not used for 5 minutes"
defaults write com.apple.BezelServices kDimTime -int 300

###############################################################################
# Screen
###############################################################################

echo ""
echo "Requiring password immediately after sleep or screen saver begins"
defaults write com.apple.screensaver askForPassword -int 1
defaults write com.apple.screensaver askForPasswordDelay -int 0

echo ""
echo "Setting screenshot format to PNG"
defaults write com.apple.screencapture type -string "png"

echo ""
echo "Enabling subpixel font rendering on non-Apple LCDs"
defaults write NSGlobalDomain AppleFontSmoothing -int 2

echo ""
echo "Enabling HiDPI display modes (requires restart)"
sudo defaults write /Library/Preferences/com.apple.windowserver DisplayResolutionEnabled -bool true

###############################################################################
# Finder
###############################################################################

echo ""
echo "Show icons for hard drives, servers, and removable media on the desktop"
defaults write com.apple.finder ShowExternalHardDrivesOnDesktop -bool true

echo ""
echo "Show all filename extensions in Finder by default"
defaults write NSGlobalDomain AppleShowAllExtensions -bool true

echo ""
echo "Display full POSIX path as Finder window title"
defaults write com.apple.finder _FXShowPosixPathInTitle -bool true

echo ""
echo "Disable the warning when changing a file extension"
defaults write com.apple.finder FXEnableExtensionChangeWarning -bool false

echo ""
echo "Use column view in all Finder windows by default"
defaults write com.apple.finder FXPreferredViewStyle Clmv

echo ""
echo "Avoid creation of .DS_Store files on network volumes"
defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool true

echo ""
echo "Disable disk image verification? (y/n)"
defaults write com.apple.frameworks.diskimages skip-verify -bool true
defaults write com.apple.frameworks.diskimages skip-verify-locked -bool true
defaults write com.apple.frameworks.diskimages skip-verify-remote -bool true

echo ""
echo "Allowing text selection in Quick Look/Preview in Finder by default"
defaults write com.apple.finder QLEnableTextSelection -bool true

echo ""
echo "Show item info near icons on the desktop and in other icon views"
/usr/libexec/PlistBuddy -c "Set :DesktopViewSettings:IconViewSettings:showItemInfo true" ~/Library/Preferences/com.apple.finder.plist
/usr/libexec/PlistBuddy -c "Set :FK_StandardViewSettings:IconViewSettings:showItemInfo true" ~/Library/Preferences/com.apple.finder.plist
/usr/libexec/PlistBuddy -c "Set :StandardViewSettings:IconViewSettings:showItemInfo true" ~/Library/Preferences/com.apple.finder.plist

echo ""
echo "Enable snap-to-grid for icons on the desktop and in other icon views"
/usr/libexec/PlistBuddy -c "Set :DesktopViewSettings:IconViewSettings:arrangeBy grid" ~/Library/Preferences/com.apple.finder.plist
/usr/libexec/PlistBuddy -c "Set :FK_StandardViewSettings:IconViewSettings:arrangeBy grid" ~/Library/Preferences/com.apple.finder.plist
/usr/libexec/PlistBuddy -c "Set :StandardViewSettings:IconViewSettings:arrangeBy grid" ~/Library/Preferences/com.apple.finder.plist

echo ""
echo "Increase grid spacing for icons on the desktop and in other icon views"
/usr/libexec/PlistBuddy -c "Set :DesktopViewSettings:IconViewSettings:gridSpacing 100" ~/Library/Preferences/com.apple.finder.plist
/usr/libexec/PlistBuddy -c "Set :FK_StandardViewSettings:IconViewSettings:gridSpacing 100" ~/Library/Preferences/com.apple.finder.plist
/usr/libexec/PlistBuddy -c "Set :StandardViewSettings:IconViewSettings:gridSpacing 100" ~/Library/Preferences/com.apple.finder.plist


###############################################################################
# Dock & Mission Control
###############################################################################

echo ""
echo "Speeding up Mission Control animations and grouping windows by application"
defaults write com.apple.dock expose-animation-duration -float 0.1
defaults write com.apple.dock "expose-group-by-app" -bool true

###############################################################################
# iTunes
###############################################################################

echo ""
echo "Remove iTunes?"

read -r response
if [[ $response =~ ^([yY][eE][sS]|[yY])$ ]]; then
  sudo rm -rf /Applications/iTunes.app \
  sudo softwareupdate --ignore iTunesX
fi

###############################################################################
# Chrome, Safari, & WebKit
###############################################################################

echo ""
echo "Privacy: Don't send search queries to Apple"
defaults write com.apple.Safari UniversalSearchEnabled -bool false
defaults write com.apple.Safari SuppressSearchSuggestions -bool true

echo ""
echo "Hiding Safari's bookmarks bar by default"
defaults write com.apple.Safari ShowFavoritesBar -bool false

echo ""
echo "Hiding Safari's sidebar in Top Sites"
defaults write com.apple.Safari ShowSidebarInTopSites -bool false

echo ""
echo "Disabling Safari's thumbnail cache for History and Top Sites"
defaults write com.apple.Safari DebugSnapshotsUpdatePolicy -int 2

echo ""
echo "Enabling Safari's debug menu"
defaults write com.apple.Safari IncludeInternalDebugMenu -bool true

echo ""
echo "Making Safari's search banners default to Contains instead of Starts With"
defaults write com.apple.Safari FindOnPageMatchesWordStartsOnly -bool false

echo ""
echo "Removing useless icons from Safari's bookmarks bar"
defaults write com.apple.Safari ProxiesInBookmarksBar "()"

echo ""
echo "Enabling the Develop menu and the Web Inspector in Safari"
defaults write com.apple.Safari IncludeDevelopMenu -bool true
defaults write com.apple.Safari WebKitDeveloperExtrasEnabledPreferenceKey -bool true
defaults write com.apple.Safari "com.apple.Safari.ContentPageGroupIdentifier.WebKit2DeveloperExtrasEnabled" -bool true

echo ""
echo "Adding a context menu item for showing the Web Inspector in web views"
defaults write NSGlobalDomain WebKitDeveloperExtras -bool true

echo ""
echo "Using the system-native print preview dialog in Chrome"
defaults write com.google.Chrome DisablePrintPreview -bool true
defaults write com.google.Chrome.canary DisablePrintPreview -bool true


###############################################################################
# Mail
###############################################################################

echo ""
echo "Setting email addresses to copy as '[email protected]' instead of 'Foo Bar <[email protected]>' in Mail.app"
defaults write com.apple.mail AddressesIncludeNameOnPasteboard -bool false


###############################################################################
# Time Machine
###############################################################################

echo ""
echo "Prevent Time Machine from prompting to use new hard drives as backup volume"
defaults write com.apple.TimeMachine DoNotOfferNewDisksForBackup -bool true

echo ""
echo "Disable local Time Machine backups"
hash tmutil &> /dev/null && sudo tmutil disablelocal


###############################################################################
# Messages                                                                    #
###############################################################################

echo ""
echo "Disable automatic emoji substitution in Messages.app"
defaults write com.apple.messageshelper.MessageController SOInputLineSettings -dict-add "automaticEmojiSubstitutionEnablediMessage" -bool false

echo ""
echo "Disable smart quotes in Messages.app"
defaults write com.apple.messageshelper.MessageController SOInputLineSettings -dict-add "automaticQuoteSubstitutionEnabled" -bool false

echo ""
echo "Disable continuous spell checking in Messages.app"
defaults write com.apple.messageshelper.MessageController SOInputLineSettings -dict-add "continuousSpellCheckingEnabled" -bool false


###############################################################################
# Transmission.app                                                            #
###############################################################################

echo "Transmission setup"

mkdir -p ~/Downloads/Incomplete

echo ""
echo "Setting up an incomplete downloads folder in Downloads"
defaults write org.m0k.transmission UseIncompleteDownloadFolder -bool true
defaults write org.m0k.transmission IncompleteDownloadFolder -string "${HOME}/Downloads/Incomplete"

echo ""
echo "Setting auto-add folder to be Downloads"
defaults write org.m0k.transmission AutoImportDirectory -string "${HOME}/Downloads"

echo ""
echo "Don't prompt for confirmation before downloading"
defaults write org.m0k.transmission DownloadAsk -bool false

echo ""
echo "Trash original torrent files after adding them"
defaults write org.m0k.transmission DeleteOriginalTorrent -bool true

echo ""
echo "Hiding the donate message"
defaults write org.m0k.transmission WarningDonate -bool false

echo ""
echo "Hiding the legal disclaimer"
defaults write org.m0k.transmission WarningLegal -bool false

echo ""
echo "Auto-resizing the window to fit transfers"
defaults write org.m0k.transmission AutoSize -bool true

echo ""
echo "Auto updating to betas"
defaults write org.m0k.transmission AutoUpdateBeta -bool true

echo ""
echo "Setting up the best block list"
defaults write org.m0k.transmission EncryptionRequire -bool true
defaults write org.m0k.transmission BlocklistAutoUpdate -bool true
defaults write org.m0k.transmission BlocklistNew -bool true
defaults write org.m0k.transmission BlocklistURL -string "http://john.bitsurge.net/public/biglist.p2p.gz"


###############################################################################
# Kill affected applications
###############################################################################

echo ""
cecho "Done!" $cyan
echo ""
echo ""
cecho "################################################################################" $white
echo ""
echo ""
cecho "Note that some of these changes require a logout/restart to take effect." $red
cecho "Killing some open applications in order to take effect." $red
echo ""

find ~/Library/Application\ Support/Dock -name "*.db" -maxdepth 1 -delete
for app in "Activity Monitor" "Address Book" "Calendar" "Contacts" "cfprefsd" \
  "Dock" "Finder" "Mail" "Messages" "Safari" "SystemUIServer" \
  "Terminal" "Transmission"; do
  killall "${app}" > /dev/null 2>&1
done