preinst is in syslog-ng-core 3.5.6-2.1.
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 30 31 32 33 34 35 36 37 38 39 40 | #! /bin/sh
set -e
if [ "$1" = "install" ]; then
if [ -f /etc/logrotate.d/syslog-ng.disabled ]; then
if [ -n "$2" ]; then
mv -f /etc/logrotate.d/syslog-ng.disabled /etc/logrotate.d/syslog-ng
elif [ ! -f /etc/logrotate.d/syslog-ng ]; then
mv -f /etc/logrotate.d/syslog-ng.disabled /etc/logrotate.d/syslog-ng
fi
fi
fi
if [ "$1" = "upgrade" ] &&
(dpkg --compare-versions "$2" lt "3.3.5-3" ||
(dpkg --compare-versions "$2" gt "3.3.5-4" &&
(dpkg --compare-versions "$2" lt "3.3.9-1~" || dpkg --compare-versions "$2" lt "3.4.2-1~")))
then
# Some versions of the package installed symlink conffiles
# which don't work (#690067)
for file_to_remove in /etc/systemd/system/multi-user.target.wants/syslog-ng.service /etc/systemd/system/syslog.service; do
if [ -L $file_to_remove ]; then
rm $file_to_remove
fi
done
fi
# Automatically added by dh_installinit
if [ "$1" = install ] || [ "$1" = upgrade ]; then
if [ -e "/etc/init.d/syslog-ng" ] && [ -L "/etc/init.d/syslog-ng" ] \
&& [ $(readlink -f "/etc/init.d/syslog-ng") = /lib/init/upstart-job ]
then
rm -f "/etc/init.d/syslog-ng"
fi
fi
# End automatically added section
exit 0
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