macos.sh

#!/usr/bin/env bash

# ============================================
# macOS System Preferences
# ============================================
# Configure macOS system settings
# Based on https://github.com/mathiasbynens/dotfiles/blob/main/.macos
# Customized for web development workflow

set -e

GREEN='\033[0;32m'
BLUE='\033[0;34m'
YELLOW='\033[1;33m'
NC='\033[0m'

echo -e "${BLUE}Configuring macOS system preferences...${NC}\n"
echo -e "${YELLOW}Note: Some changes require restart to take effect${NC}\n"

# Close System Preferences to prevent overriding
osascript -e 'tell application "System Preferences" to quit'

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

echo "› General UI/UX settings..."

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

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

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

# Disable automatic capitalization
defaults write NSGlobalDomain NSAutomaticCapitalizationEnabled -bool false

# Disable smart dashes
defaults write NSGlobalDomain NSAutomaticDashSubstitutionEnabled -bool false

# Disable automatic period substitution
defaults write NSGlobalDomain NSAutomaticPeriodSubstitutionEnabled -bool false

# Disable smart quotes
defaults write NSGlobalDomain NSAutomaticQuoteSubstitutionEnabled -bool false

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

###############################################################################
# Trackpad, mouse, keyboard
###############################################################################

echo "› Trackpad, mouse, and keyboard settings..."

# Trackpad: enable tap to click
defaults write com.apple.driver.AppleBluetoothMultitouch.trackpad Clicking -bool true
defaults -currentHost write NSGlobalDomain com.apple.mouse.tapBehavior -int 1

# Increase keyboard repeat rate
defaults write NSGlobalDomain KeyRepeat -int 2
defaults write NSGlobalDomain InitialKeyRepeat -int 15

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

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

echo "› Finder settings..."

# Show hidden files by default
defaults write com.apple.finder AppleShowAllFiles -bool true

# Show all filename extensions
defaults write NSGlobalDomain AppleShowAllExtensions -bool true

# Show status bar
defaults write com.apple.finder ShowStatusBar -bool true

# 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

# Use list view in all Finder windows by default
defaults write com.apple.finder FXPreferredViewStyle -string "Nlsv"

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

# Show the /Volumes folder
sudo chflags nohidden /Volumes

###############################################################################
# Dock
###############################################################################

echo "› Dock settings..."

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

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

# Show indicator lights for open applications
defaults write com.apple.dock show-process-indicators -bool true

# 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

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

# Don't show recent applications in Dock
defaults write com.apple.dock show-recents -bool false

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

echo "› Safari settings..."

# Enable the Develop menu and the Web Inspector
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

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

###############################################################################
# Terminal & iTerm2
###############################################################################

echo "› Terminal settings..."

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

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

echo "› Activity Monitor settings..."

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

# 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

###############################################################################
# Screenshots
###############################################################################

echo "› Screenshot settings..."

# Save screenshots to ~/Screenshots
mkdir -p "$HOME/Screenshots"
defaults write com.apple.screencapture location -string "$HOME/Screenshots"

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

# Disable shadow in screenshots
defaults write com.apple.screencapture disable-shadow -bool true

###############################################################################
# Development
###############################################################################

echo "› Development settings..."

# Show build duration in Xcode
defaults write com.apple.dt.Xcode ShowBuildOperationDuration -bool true

###############################################################################
# Restart affected applications
###############################################################################

echo -e "\n${GREEN}✓ macOS preferences configured${NC}"
echo -e "${YELLOW}Restarting affected applications...${NC}\n"

for app in "Activity Monitor" \
    "Dock" \
    "Finder" \
    "Safari" \
    "SystemUIServer"; do
    killall "${app}" &> /dev/null || true
done

echo -e "${GREEN}Done! Some changes require a logout/restart to take effect.${NC}"