debian_bsdgames/debian/preinst

#!/bin/sh
# Pre-install script for ‘python-coverage’.
#
# Man page: ‘dh_installdeb(1)’

set -e

# Summary of ways this script can be called:
#   * <new-preinst> ‘install’
#   * <new-preinst> ‘install’ <old-version>
#   * <new-preinst> ‘upgrade’ <old-version>
#   * <old-preinst> ‘abort-upgrade’ <new-version>
# For details, see the Debian Policy §6.5 in the ‘debian-policy’ package
# or on the web at <URL:http://www.debian.org/doc/debian-policy/>.

action="$1"

SCOREFILES="
	/var/games/bsdgames/atc_score
	/var/games/bsdgames/battlestar.log
	/var/games/bsdgames/cfscores
	/var/games/bsdgames/criblog
	/var/games/bsdgames/saillog
	/var/games/bsdgames/snake.log
	/var/games/bsdgames/snakerawscores
	/var/games/bsdgames/tetris-bsd.scores
	/var/games/bsdgames/phantasia/characs
	/var/games/bsdgames/phantasia/gold
	/var/games/bsdgames/phantasia/lastdead
	/var/games/bsdgames/phantasia/mess
	/var/games/bsdgames/phantasia/motd
	/var/games/bsdgames/phantasia/scoreboard
	/var/games/bsdgames/phantasia/void
	/var/games/bsdgames/phantasia/monsters"

# We used to keep score files in /var/lib/games, and if files are there,
# move them into the new location.
if [ -d /var/lib/games ]; then

	# Have to set up directory hierarchy, since this is running as a
	# preinst.
	mkdir -p /var/games/bsdgames/phantasia
	chown root:games /var/games/bsdgames \
		/var/games/bsdgames/phantasia
	chmod g+rws /var/games/bsdgames \
		/var/games/bsdgames/phantasia

	for file in $SCOREFILES; do
		oldfile=`echo $file | sed s:/var/games/:/var/lib/games/:`
		if [ -e $oldfile ]; then
			if [ ! -e $file ]; then
				mv -f $oldfile $file
			else
				rm -f $oldfile
			fi
		fi
	done
	
	# Delete the old directory hierarchy.
	rm -rf /var/lib/games/bsdgames
fi

case "$action" in

    install|upgrade|abort-upgrade)
        ;;

    *)
        printf "preinst called with unknown action ‘%s’\n" "$action" >&2
        exit 1
        ;;

esac


# I didn't move robots_roll above, because the version used by old bsdgames has
# a different file format. Make sure that if I'm ugrading from pre 2.8 days,
# the old file is deleted.
if [ "$1" = "upgrade" ] && dpkg --compare-versions "$2" lt 2.8; then
	rm -rf /var/games/bsdgames/robots_roll
fi

#DEBHELPER#

exit 0