macOS.sh

# Close any open System Preferences panes, to prevent them from overriding
# settings we’re about to change
osascript -e 'tell application "System Preferences" to quit'

# Ask for the administrator password upfront
sudo -v

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

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

# Expand save panel by default
defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode -bool true
defaults write NSGlobalDomain NSNavPanelExpandedStateForSaveMode2 -bool true

# Expand print panel by default
defaults write NSGlobalDomain PMPrintingExpandedStateForPrint -bool true
defaults write NSGlobalDomain PMPrintingExpandedStateForPrint2 -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

# Restart automatically if the computer freezes
sudo systemsetup -setrestartfreeze on

###############################################################################
# Trackpad, mouse, keyboard, and input                 #
###############################################################################

# 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 blazingly fast keyboard repeat rate
# defaults write NSGlobalDomain KeyRepeat -int 1
# defaults write NSGlobalDomain InitialKeyRepeat -int 10

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

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

# 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"

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

# Finder: show all filename extensions
defaults write NSGlobalDomain AppleShowAllExtensions -bool true

# Keep folders on top when sorting by name
defaults write com.apple.finder _FXSortFoldersFirst -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

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

# Disable the warning before emptying the Trash
defaults write com.apple.finder WarnOnEmptyTrash -bool false

# Remove Dropbox’s green checkmark icons in Finder
file=/Applications/Dropbox.app/Contents/Resources/emblem-dropbox-uptodate.icns
[ -e "${file}" ] && mv -f "${file}" "${file}.bak"

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

# Change minimize/maximize window effect
defaults write com.apple.dock mineffect -string "scale"

# Wipe all (default) app icons from the Dock
# This is only really useful when setting up a new Mac, or if you don’t use
# the Dock to launch apps.
#defaults write com.apple.dock persistent-apps -array

# Show only open applications in the Dock
#defaults write com.apple.dock static-only -bool true

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

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

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

# Don’t display the annoying prompt when quitting iTerm
defaults write com.googlecode.iterm2 PromptOnQuit -bool false

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

# 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

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

# Enable the automatic update check
defaults write com.apple.SoftwareUpdate AutomaticCheckEnabled -bool true

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

# Download newly available updates in background
defaults write com.apple.SoftwareUpdate AutomaticDownload -int 1

# Install System data files & security updates
defaults write com.apple.SoftwareUpdate CriticalUpdateInstall -int 1

# Turn on app auto-update
defaults write com.apple.commerce AutoUpdate -bool true

###############################################################################
# Photos                                                                      #
###############################################################################

# Prevent Photos from opening automatically when devices are plugged in
defaults -currentHost write com.apple.ImageCapture disableHotPlug -bool true

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

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