crosh/crosh-cups

#!/bin/dash
# Copyright 2016 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# Crosh command that is only loaded when CUPS is present. Note that
# this command is just a stopgap measure and should be dropped once
# a proper UI is formed. See http://crbug.com/593139

USAGE_cups='[--start | --stop | --status | --restart | --reset]'
HELP_cups='
  Start, stop, check the status of, restart, or reset the CUPS daemon. --reset
  will stop cupsd (if running) and remove any local state (e.g., saved
  printers, jobs, etc.). For initial development only; will be removed in a
  future release.
'

cups_initctl() {
  sudo /sbin/initctl $1 cupsd
}

cups_reset() {
  # Stop the daemon first; ignore errors in case it's already stopped.
  cups_initctl "stop" > /dev/null 2>&1
  echo "Clearing CUPS daemon state"
  sudo rm -rf \
      /var/cache/cups/ \
      /run/cups/ \
      /var/spool/cups/
}

cmd_cups() {
  if [ $# -ne 1 ]; then
    help "incorrect number of arguments: $@"
    return 1
  fi
  case "$1" in
    "--start")
      cups_initctl "start"
      ;;
    "--stop")
      cups_initctl "stop"
      ;;
    "--status")
      cups_initctl "status"
      ;;
    "--restart")
      cups_initctl "restart"
      ;;
    "--reset")
      cups_reset
      ;;
    *)
      help "unknown option: $1"
      return 1
  esac
}