scripts/hibernate.sh

   1 #!/bin/sh
   2 # hibernate.sh -- hibernate script for vlock,
   3 #                 the VT locking program for linux
   4 #
   5 # This program is copyright (C) 2007 Frank Benkstein, and is free software.  It
   6 # comes without any warranty, to the extent permitted by applicable law.  You
   7 # can redistribute it and/or modify it under the terms of the Do What The Fuck
   8 # You Want To Public License, Version 2, as published by Sam Hocevar.  See
   9 # http://sam.zoy.org/wtfpl/COPYING for more details.
  10
  11 set -e
  12
  13 REQUIRES="all"
  14 CONFLICTS="new"
  15 PRECEEDS="all"
  16
  17 hooks() {
  18   oldvt=$(fgconsole)
  19
  20   while read hook_name ; do
  21     case "${hook_name}" in
  22       vlock_start)
  23         chvt 63
  24       ;;
  25       vlock_end)
  26         chvt "${oldvt}"
  27       ;;
  28       vlock_save)
  29         hibernate
  30       ;;
  31     esac
  32   done
  33 }
  34
  35 if [ $# -ne 1 ] ; then
  36   echo >&2 "Usage: $0 <command>"
  37   exit 1
  38 fi
  39
  40 case "$1" in
  41   hooks)
  42     hooks
  43   ;;
  44   preceeds)
  45     echo "${PRECEEDS}"
  46   ;;
  47   succeeds)
  48     echo "${SUCCEEDS}"
  49   ;;
  50   requires)
  51     echo "${REQUIRES}"
  52   ;;
  53   needs)
  54     echo "${NEEDS}"
  55   ;;
  56   depends)
  57     echo "${DEPENDS}"
  58   ;;
  59   conflicts)
  60     echo "${CONFLICTS}"
  61   ;;
  62   *)
  63     echo >&2 "$0: unknown command '$1'"
  64     exit 1
  65   ;;
  66 esac