.-.-.-.-.-

#!/bin/sh
set -e

# Debian mount preinst
# LaMont Jones <lamont@debian.org>

chrooted() {
	if [ "$(stat -c %d/%i /)" = "$(stat -Lc %d/%i /proc/1/root 2>/dev/null)" ]; then
		# the devicenumber/inode pair of / is the same as that of
		# /sbin/init's root, so we're *not* in a chroot and hence
		# return false.
		return 1
	fi
	return 0
}

case "$1" in
	install)
		;;

upgrade)
		version=$2
		DISTRO=$(lsb_release -is 2>/dev/null || echo Debian);

if [ Debian = "$DISTRO" ]; then
			if [ -f /proc/mounts ] && ! chrooted; then
				# mount.nfs is assumed to be needed if there
				# is currently a non-root NFS mount.
				NFS_IN_USE=$(awk '/^[^ ]+ [^ ]+ nfs / && !/^[^ ]+ \/ nfs /' /proc/mounts)
			else
				NFS_IN_USE=""
			fi
			if [ -n "$NFS_IN_USE" ] && [ ! -x /sbin/mount.nfs ] ; then
				cat << EOF
You have NFS mount points currently mounted, and this version of mount
requires that nfs-common be upgraded before NFS mounts will work.

Aborting install.
EOF
				exit 1
			fi
		fi
		;;

abort-upgrade)
		;;

*)
		echo "preinst called with unknown argument \`$1'" >&2
		exit 1
		;;
esac

/var/lib/./initscripts/../dpkg/info/mount.preinst