etc/rc.d/virecover

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