preinst is in bsdgames 2.17-19.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | #!/bin/sh -e
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
# 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
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