macos.sh

#!/usr/bin/env bash

# ~/.osx — http://mths.be/osx

# 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                                                               #
###############################################################################

# Only show scrollbars when scrolling
defaults write NSGlobalDomain AppleShowScrollBars -string "WhenScrolling"

# 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

# Disable automatic capitalization as it’s annoying when typing code
defaults write NSGlobalDomain NSAutomaticCapitalizationEnabled -bool false

# Disable smart dashes as they’re annoying when typing code
defaults write NSGlobalDomain NSAutomaticDashSubstitutionEnabled -bool false

# Disable automatic period substitution as it’s annoying when typing code
defaults write NSGlobalDomain NSAutomaticPeriodSubstitutionEnabled -bool false

# Disable smart quotes as they’re annoying when typing code
defaults write NSGlobalDomain NSAutomaticQuoteSubstitutionEnabled -bool false

# Disable auto-correct
defaults write NSGlobalDomain NSAutomaticSpellingCorrectionEnabled -bool false

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

# Trackpad: enable tap to click for this user and for the login screen
defaults write com.apple.driver.AppleBluetoothMultitouch.trackpad Clicking -bool true
defaults -currentHost write NSGlobalDomain com.apple.mouse.tapBehavior -int 1
defaults write NSGlobalDomain com.apple.mouse.tapBehavior -int 1

# Enable secondary click on Magic Mouse
defaults write com.apple.driver.AppleBluetoothMultitouch.mouse MouseButtonMode -string "TwoButton"

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

# 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

# Set language and text formats
defaults write NSGlobalDomain AppleLanguages -array "en" "es"
defaults write NSGlobalDomain AppleLocale -string "en_US@currency=USD"
defaults write NSGlobalDomain AppleMeasurementUnits -string "Centimeters"
defaults write NSGlobalDomain AppleMetricUnits -bool true

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

# Require password 5 minutes after sleep or screen saver begins
defaults write com.apple.screensaver askForPassword -int 1
defaults write com.apple.screensaver askForPasswordDelay -int 0

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

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

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

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

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

# 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

# Use column view in all Finder windows by default
defaults write com.apple.Finder FXPreferredViewStyle -string "clmv"

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

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

# Set the icon size of Dock items to 32 pixels
defaults write com.apple.dock tilesize -int 32

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

# Set magnification on
defaults write com.apple.dock magnification -bool true

# Set the icon magnification size to 56.8287 pixels
defaults write com.apple.dock largesize -float 56.8287

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

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

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

# Reset Launchpad, but keep the desktop wallpaper intact
find "${HOME}/Library/Application Support/Dock" -name "*-*.db" -maxdepth 1 -delete

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

# Privacy: don’t send search queries to Apple
defaults write com.apple.Safari UniversalSearchEnabled -bool false
defaults write com.apple.Safari SuppressSearchSuggestions -bool true

# Press Tab to highlight each item on a web page
defaults write com.apple.Safari WebKitTabToLinksPreferenceKey -bool true
defaults write com.apple.Safari com.apple.Safari.ContentPageGroupIdentifier.WebKit2TabsToLinks -bool true

# Show the full URL in the address bar (note: this still hides the scheme)
defaults write com.apple.Safari ShowFullURLInSmartSearchField -bool true

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

# Prevent Safari from opening ‘safe’ files automatically after downloading
defaults write com.apple.Safari AutoOpenSafeDownloads -bool false

# Hide Safari’s bookmarks bar by default
defaults write com.apple.Safari ShowFavoritesBar -bool false

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

# Disable Safari’s thumbnail cache for History and Top Sites
defaults write com.apple.Safari DebugSnapshotsUpdatePolicy -int 2

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

# 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

# Disable AutoFill
defaults write com.apple.Safari AutoFillFromAddressBook -bool false
defaults write com.apple.Safari AutoFillPasswords -bool false
defaults write com.apple.Safari AutoFillCreditCardData -bool false
defaults write com.apple.Safari AutoFillMiscellaneousForms -bool false

# Warn about fraudulent websites
defaults write com.apple.Safari WarnAboutFraudulentWebsites -bool true

# Enable “Do Not Track”
defaults write com.apple.Safari SendDoNotTrackHTTPHeader -bool true

# Update extensions automatically
defaults write com.apple.Safari InstallExtensionUpdatesAutomatically -bool true

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

# Disable inline attachments (just show the icons)
defaults write com.apple.mail DisableInlineAttachmentViewing -bool true

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

# Enable Secure Keyboard Entry in Terminal.app
# See: https://security.stackexchange.com/a/47786/8918
defaults write com.apple.terminal SecureKeyboardEntry -bool true

# Disable the annoying line marks
defaults write com.apple.Terminal ShowLineMarks -int 0

###############################################################################
# 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                                                            #
###############################################################################

# Visualize Network usage in the Activity Monitor Dock icon
defaults write com.apple.ActivityMonitor IconType -int 2

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

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

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

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

# Don’t prompt for confirmation before removing non-downloading active transfers
defaults write org.m0k.transmission CheckRemoveDownloading -bool true

# 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

# IP block list.
# Source: https://giuliomac.wordpress.com/2014/02/19/best-blocklist-for-transmission/
defaults write org.m0k.transmission BlocklistNew -bool true
defaults write org.m0k.transmission BlocklistURL -string "http://john.bitsurge.net/public/biglist.p2p.gz"
defaults write org.m0k.transmission BlocklistAutoUpdate -bool true

# Randomize port on launch
defaults write org.m0k.transmission RandomPort -bool true

###############################################################################
# Firewall
###############################################################################

# Enable per application firewall
defaults write /Library/Preferences/com.apple.alf globalstate -int 1

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

for app in "Activity Monitor" \
    "Dashboard" \
    "Dock" \
    "Finder" \
    "Photos" \
    "Safari" \
    "SystemUIServer" \
    "Mail" \
    "Terminal" \
    "Transmission"; do
    killall "$app" > /dev/null 2>&1
done
echo "Done. Note that some of these changes require a logout/restart to take effect."