#!/bin/sh
#
# Andrey.Ryjov@IT-Secure.COM    AKA     aryzhov@spasu.net
#
# Prepare the chrooted environment for the finish scripts:
#   Loopback necessary mountpoints,
#   chroot and remount the ufs filesystems listed in client's vfstab,
#   and mounted on /a/...,  onto the target mountpoints

[ -z "$SID" ] && SID=/tmp/install_config
[ X$SubrIsRead = XYes ] || . $SID/Scripts/Misc/!Includes/Subroutines
[ X$VarsAreSet = XYes ] || SetJVars

MakeDevices

MANDATORY_LOOPBACKS="/etc/mnttab /proc /tmp /cdrom"
for D in $MANDATORY_LOOPBACKS ; do
  mount | egrep -s "^/a$D on " && continue
  [ -d $D    -a   ! -d /a$D/. ] && mkdir -p /a$D
  mount -F lofs $D /a$D || ShellMe "Chroot preparation failed"
done

</a/etc/vfstab nawk '$1~/^\/dev\/dsk\// && $2~/^\/dev\/rdsk\// {print}' |  sort -k 3 | while read DSK RDSK MPT FSTYPE NUM YN MTOPTS
do
  D=$MPT; [ "$D" = / ] && D=""
  mount | egrep -s "^/a$D on " || continue
  chroot /a /sbin/mount -o rw,remount $DSK $MPT || StartShell
done