preinst is in multitail 6.0-1.
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 | #!/bin/sh
set -e
# Remove a no-longer used conffile
rm_conffile() {
CONFFILE="$1"
if [ -e "$CONFFILE" ]; then
md5sum="`md5sum \"$CONFFILE\" | sed -e \"s/ .*//\"`"
old_md5sum="`dpkg-query -W -f='${Conffiles}' multitail | grep $CONFFILE | awk '{print $2}'`"
if [ "$md5sum" != "$old_md5sum" ]; then
echo "Obsolete conffile $CONFFILE has been modified by you."
echo "Saving as $CONFFILE.dpkg-bak ..."
mv -f "$CONFFILE" "$CONFFILE".bak
else
echo "Removing obsolete conffile $CONFFILE ..."
rm -f "$CONFFILE"
fi
fi
}
case "$1" in upgrade)
rm_conffile "/etc/multitail/colors-example.pl"
rm_conffile "/etc/multitail/colors-example.sh"
rm_conffile "/etc/multitail/convert-geoip.pl"
rm_conffile "/etc/multitail/convert-simple.pl"
;;
esac
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