preinst is in dmsetup 2:1.02.48-4ubuntu7.
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 | #!/bin/sh
set -e
rm_conffile() {
CONFFILE="$1"
if [ -e "$1" ]; then
md5sum="$(md5sum "$1" | awk '{print $1}')"
old_md5sum="$(dpkg-query -W -f='${Conffiles}' dmsetup | sed -n -e "\' $CONFFILE ' { s/ obsolete$//; s/.* //; p }"))"
if [ "$md5sum" != "$old_md5sum" ]; then
echo "Obsolete conffile $CONFFILE has been modified by you."
echo "Saving as $CONFFILE.dpkg-bak ..."
mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
else
rm -f "$CONFFILE"
fi
fi
}
case "$1" in
upgrade)
if dpkg --compare-versions "$2" lt 2:2.02.51-4; then
rm_conffile "/etc/udev/rules.d/65_dmsetup.rules"
fi
;;
esac
exit 0
|