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 1.4 2005/11/19 21:47:32 swildner Exp $
   6 #
   7
   8 # PROVIDE: virecover
   9 # REQUIRE: mountcritremote ldconfig
  10 # BEFORE:  DAEMON
  11 #
  12 # XXX: should require `mail'!
  13
  14 . /etc/rc.subr
  15
  16 name="virecover"
  17 stop_cmd=":"
  18 start_cmd="virecover_start"
  19
  20 virecover_start()
  21 {
  22         if [ ! -d /var/tmp/vi.recover ]; then
  23                 mkdir /var/tmp/vi.recover
  24                 chown root:wheel /var/tmp/vi.recover
  25                 chmod 1777 /var/tmp/vi.recover
  26         fi
  27         find /var/tmp/vi.recover ! -type f -a ! -type d -delete
  28         vibackup=`echo /var/tmp/vi.recover/vi.*`
  29         if [ "${vibackup}" != '/var/tmp/vi.recover/vi.*' ]; then
  30                 echo -n 'Recovering vi editor sessions:'
  31                 for i in /var/tmp/vi.recover/vi.*; do
  32                         # Only test files that are readable.
  33                         if [ ! -r "${i}" ]; then
  34                                 continue
  35                         fi
  36
  37                         # Unmodified nvi editor backup files either have the
  38                         # execute bit set or are zero length.  Delete them.
  39                         if [ -x "${i}" -o ! -s "${i}" ]; then
  40                                 rm -f "${i}"
  41                         fi
  42                 done
  43
  44                 # It is possible to get incomplete recovery files, if the editor
  45                 # crashes at the right time.
  46                 virecovery=`echo /var/tmp/vi.recover/recover.*`
  47                 if [ "${virecovery}" != "/var/tmp/vi.recover/recover.*" ]; then
  48                         for i in /var/tmp/vi.recover/recover.*; do
  49                                 # Only test files that are readable.
  50                                 if [ ! -r "${i}" ]; then
  51                                         continue
  52                                 fi
  53
  54                                 # Delete any recovery files that are zero length,
  55                                 # corrupted, or that have no corresponding backup file.
  56                                 # Else send mail to the user.
  57                                 recfile=`awk '/^X-vi-recover-path:/{print $2}' < "${i}"`
  58                                 if [ -n "${recfile}" -a -s "${recfile}" ]; then
  59                                         sendmail -t < "${i}"
  60                                 else
  61                                         rm -f "${i}"
  62                                 fi
  63                         done
  64                 fi
  65                 echo '.'
  66         fi
  67 }
  68
  69 load_rc_config $name
  70 run_rc_command "$1"