mac.sh

#!/usr/bin/env bash
set -e

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

# Set computer name (as done via System Preferences → Sharing)
# sudo scutil --set ComputerName "foo"
# sudo scutil --set HostName "foo"
# sudo scutil --set LocalHostName "foo"
# sudo defaults write /Library/Preferences/SystemConfiguration/com.apple.smb.server NetBIOSName -string "foo"

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

# Enable font smoothing in Alacritty
# See https://github.com/alacritty/alacritty/issues/4033
defaults write org.alacritty AppleFontSmoothing -int 0

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

# 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 2
defaults write NSGlobalDomain InitialKeyRepeat -int 25

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

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

# Finder: show path bar
defaults write com.apple.finder ShowPathbar -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

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

# Show the /Volumes folder
sudo chflags nohidden /Volumes

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

# Put the Dock on the left of the screen
defaults write com.apple.dock orientation -string left

# Set the icon size of Dock items
defaults write com.apple.dock tilesize -int 48

# 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

# 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

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

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