etc/rc.d/virecover

   1 #!/bin/sh
   2 #
   3 # $NetBSD: virecover,v 1.6 2002/03/22 04:34:00 thorpej Exp $
   4 # $FreeBSD: src/etc/rc.d/virecover,v 1.5 2003/05/05 09:53:32 mtm Exp $
   5 # $DragonFly: src/etc/rc.d/virecover,v 1.3 2004/06/22 20:37:02 cpressey Exp $
   6 #
   7
   8 # PROVIDE: virecover
   9 # REQUIRE: mountcritremote ldconfig
  10 # BEFORE:  DAEMON
  11 # KEYWORD: DragonFly
  12 #
  13 # XXX: should require `mail'!
  14
  15 . /etc/rc.subr
  16
  17 name="virecover"
  18 stop_cmd=":"
  19 start_cmd="virecover_start"
  20
  21 virecover_start()
  22 {
  23         if [ ! -d /var/tmp/vi.recover ]; then
  24                 mkdir /var/tmp/vi.recover
  25                 chown root:wheel /var/tmp/vi.recover
  26                 chmod 1777 /var/tmp/vi.recover
  27         fi
  28         find /var/tmp/vi.recover ! -type f -a ! -type d -delete
  29         vibackup=`echo /var/tmp/vi.recover/vi.*`
  30         if [ "${vibackup}" != '/var/tmp/vi.recover/vi.*' ]; then
  31                 echo -n 'Recovering vi editor sessions:'
  32                 for i in /var/tmp/vi.recover/vi.*; do
  33                         # Only test files that are readable.
  34                         if [ ! -r "${i}" ]; then
  35                                 continue
  36                         fi
  37
  38                         # Unmodified nvi editor backup files either have the
  39                         # execute bit set or are zero length.  Delete them.
  40                         if [ -x "${i}" -o ! -s "${i}" ]; then
  41                                 rm -f "${i}"
  42                         fi
  43                 done
  44
  45                 # It is possible to get incomplete recovery files, if the editor
  46                 # crashes at the right time.
  47                 virecovery=`echo /var/tmp/vi.recover/recover.*`
  48                 if [ "${virecovery}" != "/var/tmp/vi.recover/recover.*" ]; then
  49                         for i in /var/tmp/vi.recover/recover.*; do
  50                                 # Only test files that are readable.
  51                                 if [ ! -r "${i}" ]; then
  52                                         continue
  53                                 fi
  54
  55                                 # Delete any recovery files that are zero length,
  56                                 # corrupted, or that have no corresponding backup file.
  57                                 # Else send mail to the user.
  58                                 recfile=`awk '/^X-vi-recover-path:/{print $2}' < "${i}"`
  59                                 if [ -n "${recfile}" -a -s "${recfile}" ]; then
  60                                         sendmail -t < "${i}"
  61                                 else
  62                                         rm -f "${i}"
  63                                 fi
  64                         done
  65                 fi
  66                 echo '.'
  67         fi
  68 }
  69
  70 load_rc_config $name
  71 run_rc_command "$1"