preinst is in lynx-cur 2.8.9dev8-4ubuntu1.
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 | #!/bin/sh
set -e
# Inspired by
# http://wiki.debian.org/DpkgConffileHandling
# Remove a no-longer used conffile
rm_or_moveconffile() {
PKGNAME="$1"
CONFFILE="$2"
NEWDIR="$3"
if [ -e "$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
test -e "$NEWDIR" || mkdir -m 755 -p "$NEWDIR"
echo "Obsolete conffile $CONFFILE has been modified by you." 1>&2
if [ -e "$NEWDIR/`basename $CONFFILE`" ]; then
echo "replacement conffile $NEWDIR/`basename $CONFFILE` already exists." 1>&2
echo "Saving as $CONFFILE.dpkg-bak ..." 1>&2
mv -f "$CONFFILE" "$CONFFILE".dpkg-bak
else
echo "Moving conffile $CONFFILE to new location $NEWDIR" 1>&2
mv -f "$CONFFILE" "$NEWDIR/"
fi
else
echo "Removing obsolete conffile $CONFFILE ..." 1>&2
rm -f "$CONFFILE"
fi
fi
}
case "$1" in
install|upgrade)
# Upgrading from a a real, non-dummy lynx-cur package.
if dpkg --compare-versions "$2" 'lt-nl' '2.8.9dev6-6~' ; then
update-alternatives --quiet --remove www-browser /usr/bin/lynx
update-alternatives --quiet --remove lynx-cur /usr/bin/lynx.stable
rm_or_moveconffile lynx-cur /etc/lynx-cur/lynx.cfg /etc/lynx
rm_or_moveconffile lynx-cur /etc/lynx-cur/lynx.lss /etc/lynx
fi
;;
*)
esac
|