Sensible defaults for New Mac

osx_setup.sh

#!/usr/bin/env bash

# ~/.osx — http://mths.be/osx

# Ask for the administrator password upfront
sudo -v

# Keep-alive: update existing `sudo` time stamp until `.osx` has finished
while true; do sudo -n true; sleep 60; kill -0 "$$" || exit; done 2>/dev/null &

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

# Disable the sound effects on boot
sudo nvram SystemAudioVolume=" "

# Menu bar: hide the Time Machine, Volume, User, and Bluetooth icons
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"

# Increase window resize speed for Cocoa applications
defaults write NSGlobalDomain NSWindowResizeTime -float 0.001

# Expand save panel by default
defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode -bool true

# Expand print panel by default
defaults write NSGlobalDomain PMPrintingExpandedStateForPrint -bool true

# Save to disk (not to iCloud) by default
defaults write NSGlobalDomain NSDocumentSaveNewDocumentsToCloud -bool false

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

# Disable the “Are you sure you want to open this application?” dialog
defaults write com.apple.LaunchServices LSQuarantine -bool false

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

# Disable automatic termination of inactive apps
defaults write NSGlobalDomain NSDisableAutomaticTermination -bool true

# Set Help Viewer windows to non-floating mode
defaults write com.apple.helpviewer DevMode -bool true

# 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

# Restart automatically if the computer freezes
systemsetup -setrestartfreeze on

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

###############################################################################
# SSD-specific tweaks                                                         #
###############################################################################

# Disable local Time Machine snapshots
sudo tmutil disablelocal

# Disable hibernation (speeds up entering sleep mode)
sudo pmset -a hibernatemode 0

# Remove the sleep image file to save disk space
sudo rm /Private/var/vm/sleepimage
# Create a zero-byte file instead…
sudo touch /Private/var/vm/sleepimage
# …and make sure it can’t be rewritten
sudo chflags uchg /Private/var/vm/sleepimage


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

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

# Enable full keyboard access for all controls
# (e.g. enable Tab in modal dialogs)
defaults write NSGlobalDomain AppleKeyboardUIMode -int 3

# Use scroll gesture with the Ctrl (^) modifier key to zoom
defaults write com.apple.universalaccess closeViewScrollWheelToggle -bool true
defaults write com.apple.universalaccess HIDScrollZoomModifierMask -int 262144
# Follow the keyboard focus while zoomed in
defaults write com.apple.universalaccess closeViewZoomFollowsFocus -bool true

# Disable press-and-hold for keys in favor of key repeat
defaults write NSGlobalDomain ApplePressAndHoldEnabled -bool false

# Set a fast keyboard repeat rate
defaults write NSGlobalDomain KeyRepeat -int 0

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

# Save screenshots to the desktop
defaults write com.apple.screencapture location -string "${HOME}/Desktop"

# Save screenshots in PNG format (other options: BMP, GIF, JPG, PDF, TIFF)
defaults write com.apple.screencapture type -string "png"

# Enable subpixel font rendering on non-Apple LCDs
defaults write NSGlobalDomain AppleFontSmoothing -int 2

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

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

# Finder: allow quitting via ⌘ + Q; doing so will also hide desktop icons
defaults write com.apple.finder QuitMenuItem -bool true

# Set Desktop as the default location for new Finder windows
# For other paths, use `PfLo` and `file:///full/path/here/`
defaults write com.apple.finder NewWindowTarget -string "PfDe"
defaults write com.apple.finder NewWindowTargetPath -string "file://${HOME}/Desktop/"

# Hide icons for hard drives, servers, and removable media on the desktop
defaults write com.apple.finder ShowExternalHardDrivesOnDesktop -bool false
defaults write com.apple.finder ShowHardDrivesOnDesktop -bool false
defaults write com.apple.finder ShowMountedServersOnDesktop -bool false
defaults write com.apple.finder ShowRemovableMediaOnDesktop -bool false

# Finder: show hidden files by default
# defaults write com.apple.finder AppleShowAllFiles -bool true

# Finder: hide path bar
defaults write com.apple.finder ShowPathbar -bool false

# Finder: allow text selection in Quick Look
defaults write com.apple.finder QLEnableTextSelection -bool true

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

# When performing a search, search the current folder by default
defaults write com.apple.finder FXDefaultSearchScope -string "SCcf"

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

# Enable spring loading for directories
defaults write NSGlobalDomain com.apple.springing.enabled -bool true

# Remove the spring loading delay for directories
defaults write NSGlobalDomain com.apple.springing.delay -float 0

# Avoid creating .DS_Store files on network volumes
defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool true

# Automatically open a new Finder window when a volume is mounted
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

# 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

# Use list view in all Finder windows by default
# Four-letter codes for the other view modes: `icnv`, `clmv`, `Flwv`
defaults write com.apple.finder FXPreferredViewStyle -string "Nlsv"

# Enable AirDrop over Ethernet and on unsupported Macs running Lion
defaults write com.apple.NetworkBrowser BrowseAllInterfaces -bool true

# Enable the MacBook Air SuperDrive on any Mac
sudo nvram boot-args="mbasd=1"

# Show the ~/Library folder
chflags nohidden ~/Library

# Expand the following File Info panes:
# “General”, “Open with”, and “Sharing & Permissions”
defaults write com.apple.finder FXInfoPanesExpanded -dict \
	General -bool true \
	OpenWith -bool true \
	Privileges -bool true

###############################################################################
# Dock, Dashboard, and hot corners                                            #
###############################################################################

# Enable highlight hover effect for the grid view of a stack (Dock)
defaults write com.apple.dock mouse-over-hilite-stack -bool true

# Minimize windows into their application’s icon
defaults write com.apple.dock minimize-to-application -bool true

# Enable spring loading for all Dock items
defaults write com.apple.dock enable-spring-load-actions-on-all-items -bool true

# Speed up Mission Control animations
defaults write com.apple.dock expose-animation-duration -float 0.1

# Disable Dashboard
defaults write com.apple.dashboard mcx-disabled -bool true

# Don’t show Dashboard as a Space
defaults write com.apple.dock dashboard-in-overlay -bool true

# Don’t automatically rearrange Spaces based on most recent use
defaults write com.apple.dock mru-spaces -bool false

# Remove the auto-hiding Dock delay
defaults write com.apple.dock autohide-delay -float 0

# Automatically hide and show the Dock
defaults write com.apple.dock autohide -bool true

# Make Dock icons of hidden applications translucent
defaults write com.apple.dock showhidden -bool true

# Make Dock more transparent
defaults write com.apple.dock hide-mirror -bool true

# Reset Launchpad
find ~/Library/Application\ Support/Dock -name "*.db" -maxdepth 1 -delete

###############################################################################
# Safari & WebKit                                                             #
###############################################################################

# Set Safari’s home page to `about:blank` for faster loading
defaults write com.apple.Safari HomePage -string "about:blank"

# Allow hitting the Backspace key to go to the previous page in history
defaults write com.apple.Safari com.apple.Safari.ContentPageGroupIdentifier.WebKit2BackspaceKeyNavigationEnabled -bool true

# Hide Safari’s sidebar in Top Sites
defaults write com.apple.Safari ShowSidebarInTopSites -bool false

# Enable Safari’s debug menu
defaults write com.apple.Safari IncludeInternalDebugMenu -bool true

# Make Safari’s search banners default to Contains instead of Starts With
defaults write com.apple.Safari FindOnPageMatchesWordStartsOnly -bool false

# Remove useless icons from Safari’s bookmarks bar
defaults write com.apple.Safari ProxiesInBookmarksBar "()"

# Enable 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

# Add a context menu item for showing the Web Inspector in web views
defaults write NSGlobalDomain WebKitDeveloperExtras -bool true

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

# Copy email addresses as `foo@example.com` instead of `Foo Bar <foo@example.com>` in Mail.app
defaults write com.apple.mail AddressesIncludeNameOnPasteboard -bool false

# Add the keyboard shortcut ⌘ + Enter to send an email in Mail.app
defaults write com.apple.mail NSUserKeyEquivalents -dict-add "Send" -string "@\\U21a9"

# Display emails in threaded mode, sorted by date (oldest at the top)
defaults write com.apple.mail DraftsViewerAttributes -dict-add "DisplayInThreadedMode" -string "yes"
defaults write com.apple.mail DraftsViewerAttributes -dict-add "SortedDescending" -string "yes"
defaults write com.apple.mail DraftsViewerAttributes -dict-add "SortOrder" -string "received-date"


###############################################################################
# Terminal & iTerm 2                                                          #
###############################################################################

# Only use UTF-8 in Terminal.app
defaults write com.apple.terminal StringEncodings -array 4

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

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

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

###############################################################################
# Activity Monitor                                                            #
###############################################################################

# Show the main window when launching Activity Monitor
defaults write com.apple.ActivityMonitor OpenMainWindow -bool true

# Visualize CPU usage in the Activity Monitor Dock icon
defaults write com.apple.ActivityMonitor IconType -int 5

# Show all processes in Activity Monitor
defaults write com.apple.ActivityMonitor ShowCategory -int 0

# Sort Activity Monitor results by CPU usage
defaults write com.apple.ActivityMonitor SortColumn -string "CPUUsage"
defaults write com.apple.ActivityMonitor SortDirection -int 0

###############################################################################
# Address Book, Dashboard, iCal, TextEdit, and Disk Utility                   #
###############################################################################

# Enable the debug menu in Address Book
defaults write com.apple.addressbook ABShowDebugMenu -bool true

# Enable Dashboard dev mode (allows keeping widgets on the desktop)
defaults write com.apple.dashboard devmode -bool true

# Enable the debug menu in iCal (pre-10.8)
defaults write com.apple.iCal IncludeDebugMenu -bool true

# Use plain text mode for new TextEdit documents
defaults write com.apple.TextEdit RichText -int 0
# Open and save files as UTF-8 in TextEdit
defaults write com.apple.TextEdit PlainTextEncoding -int 4
defaults write com.apple.TextEdit PlainTextEncodingForWrite -int 4

# Enable the debug menu in Disk Utility
defaults write com.apple.DiskUtility DUDebugMenuEnabled -bool true
defaults write com.apple.DiskUtility advanced-image-options -bool true

###############################################################################
# Mac App Store                                                               #
###############################################################################

# Enable the WebKit Developer Tools in the Mac App Store
defaults write com.apple.appstore WebKitDeveloperExtras -bool true

# Enable Debug Menu in the Mac App Store
defaults write com.apple.appstore ShowDebugMenu -bool true

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

# Disable smart quotes as it’s annoying for messages that contain code
defaults write com.apple.messageshelper.MessageController SOInputLineSettings -dict-add "automaticQuoteSubstitutionEnabled" -bool false

###############################################################################
# Google Chrome & Google Chrome Canary                                        #
###############################################################################

# Allow installing user scripts via GitHub or Userscripts.org
defaults write com.google.Chrome ExtensionInstallSources -array "https://*.github.com/*" "http://userscripts.org/*"
defaults write com.google.Chrome.canary ExtensionInstallSources -array "https://*.github.com/*" "http://userscripts.org/*"

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

# Use `~/Documents/Torrents` to store incomplete downloads
defaults write org.m0k.transmission UseIncompleteDownloadFolder -bool true
defaults write org.m0k.transmission IncompleteDownloadFolder -string "${HOME}/Documents/Torrents"

# Don’t prompt for confirmation before downloading
defaults write org.m0k.transmission DownloadAsk -bool false

# Trash original torrent files
defaults write org.m0k.transmission DeleteOriginalTorrent -bool true

# Hide the donate message
defaults write org.m0k.transmission WarningDonate -bool false
# Hide the legal disclaimer
defaults write org.m0k.transmission WarningLegal -bool false

# Enable the debug menu in Address Book
defaults write com.apple.addressbook ABShowDebugMenu -bool true

###############################################################################
# Twitter.app                                                                 #
###############################################################################

# Show the app window when clicking the menu bar icon
defaults write com.twitter.twitter-mac MenuItemBehavior -int 1

# Enable the hidden ‘Develop’ menu
defaults write com.twitter.twitter-mac ShowDevelopMenu -bool true

# Open links in the background
defaults write com.twitter.twitter-mac openLinksInBackground -bool true

# Allow closing the ‘new tweet’ window by pressing `Esc`
defaults write com.twitter.twitter-mac ESCClosesComposeWindow -bool true

# Show full names rather than Twitter handles
defaults write com.twitter.twitter-mac ShowFullNames -bool true

# Hide the app in the background if it’s not the front-most window
defaults write com.twitter.twitter-mac HideInBackground -bool true

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

for app in "Activity Monitor" "Address Book" "Calendar" "Contacts" "cfprefsd" \
	"Dock" "Finder" "Mail" "Messages" "Safari" "SizeUp" "SystemUIServer" \
	"Terminal" "Transmission" "Twitter" "iCal"; do
	killall "${app}" > /dev/null 2>&1
done
echo "Done. Note that some of these changes require a logout/restart to take effect."