josh / displayrcd

Run a script when your Mac changes displays

displayrcd

Run a script when your Mac changes displays.

Installation

Install with Homebrew.

$ brew install josh/tap/displayrcd
$ brew services start josh/tap/displayrcd

Configuration

Create a ~/.displayrc file. This script will be ran whenever your Mac changes displays.

This example configuration hides the dock when using the MacBook display and shows it when connecting to a larger external display.

case "$DISPLAY_NAME" in
"Built-in Retina Display")
  osascript -e 'tell application "System Events" to tell dock preferences to set autohide to true'
  ;;
"Pro Display XDR")
  osascript -e 'tell application "System Events" to tell dock preferences to set autohide to false'
  ;;
esac

Environment Variables:

• DISPLAY_NAME: The display name. For MacBooks, the built-in display should be something like "Built-in Retina Display".