preinst is in dcmtk 3.6.0-9.
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 | #!/bin/sh -e
# Prepare to handle imagectn -> dcmqrdb (3.5.3 -> 3.5.4) transition
# without triggering a dpkg question
# # Adapted from http://wiki.debian.org/DpkgConffileHandling
PKGNAME=dcmtk
# 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}' $PKGNAME | 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
echo "Removing obsolete conffile $CONFFILE ..."
rm -f "$CONFFILE"
fi
fi
}
LASTVERSION=3.5.3-5
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" le "$LASTVERSION"; then
rm_conffile "/etc/dcmtk/imagectn.cfg"
rm_conffile "/etc/default/imagectn"
rm_conffile "/etc/init.d/imagectn"
fi
esac
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