preinst is in lyskom-server 2.1.2-13.
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 | #! /bin/sh -e
# preinst script for lyskom-server
# Versions up to 2.0 used "config" as its configuration file, whereas
# 2.1 uses "lyskomd.conf"
case "$1" in
upgrade|install)
if dpkg --compare-versions "$2" le "2.1.0-1"; then
# If old configuration file exists, and new does not, move it
if test -e /etc/lyskom-server/config -a ! -e /etc/lyskom/server/lyskomd.conf; then
echo 'Renaming /etc/lyskom-server/config to lyskomd.conf' 1>&2
mv -f /etc/lyskom-server/config /etc/lyskom-server/lyskomd.conf
fi
fi
;;
esac
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