Plays a sound to indicate completion or failure if a command takes a long time to execute on a Mac.

notify_command_finished.zsh

function save_command_start() {
  COMMAND_START_TIME=$EPOCHSECONDS
}
function notify_command_end() { 
  local exit_status=$?
  local duration=$(( EPOCHSECONDS - COMMAND_START_TIME ))
  local last_command=$(fc -ln -1 | sed 's/^[ \t]*//')
    
  if (( duration >= 30 )); then
    if [ $exit_status -eq 0 ]; then
      (afplay /System/Library/Sounds/Glass.aiff &> /dev/null &)
      osascript -e "display notification \"Command: $last_command with $duration sec\" with title \"Last Command Executed\""
    else
      (afplay /System/Library/Sounds/Basso.aiff &> /dev/null &)
      osascript -e "display notification \"Command: $last_command with $duration sec\" with title \"Last Command Failed\""
    fi
  fi
}
add-zsh-hook preexec save_command_start
add-zsh-hook precmd notify_command_end

Add .zshrc

zinit snippet https://gist.githubusercontent.com/mataki/c42487e0fa7fba9375f97134c3caf76a/raw