mac-defaults.sh

#!/usr/bin/env bash

# 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 &

if test "$(uname)" = "Darwin"; then

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

    # Always open everything in Finder's list view. This is important.
    defaults write com.apple.Finder FXPreferredViewStyle clmv

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

    # Show the /Volumes folder
    sudo chflags nohidden /Volumes

    # Set a really fast key repeat.
    defaults write NSGlobalDomain KeyRepeat -int 1

    # Set the Finder prefs for showing a few different volumes on the Desktop.
    defaults write com.apple.finder ShowExternalHardDrivesOnDesktop -bool true
    defaults write com.apple.finder ShowRemovableMediaOnDesktop -bool true

    # Run the screensaver if we're in the bottom-left hot corner.
    defaults write com.apple.dock wvous-bl-corner -int 5
    defaults write com.apple.dock wvous-bl-modifier -int 0

    # Show hidden files in Finder.
    defaults write com.apple.finder AppleShowAllFiles 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

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

    # Remove duplicates in the “Open With” menu (also see `lscleanup` alias)
    /System/Library/Frameworks/CoreServices.framework/Frameworks/LaunchServices.framework/Support/lsregister -kill -r -domain local -domain system -domain user

    # Disable automatic termination of inactive apps
    defaults write NSGlobalDomain NSDisableAutomaticTermination -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/"

    # 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

    # 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

    # 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

    # 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

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

    # 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

    echo "Done. Note that some of these changes require a logout/restart to take effect."

fi