preinst is in conntrackd 1:1.4.3-3.
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 | #!/bin/sh
set -e
action=$1
version=$2
if [ "$action" = upgrade -a -n "$version" ] &&
dpkg --compare-versions "$version" lt "1:0.9.8-1" &&
test -f /etc/conntrackd.conf &&
! test -e /etc/conntrackd/conntrackd.conf; then
# package versions < 0.9.8-1 had the configuration file in a
# non-standard location
mkdir -p /etc/conntrackd
if md5sum /etc/conntrackd.conf 2> /dev/null |
grep -q 9e463d9bb7902e513da1b90b326bd43d
then
# unmodified version, dpkg should not prompt, delete in postinst
mv /etc/conntrackd.conf /etc/conntrackd.conf.dpkg-updating
else
# move to new location to make dpkg prompt
mv /etc/conntrackd.conf /etc/conntrackd/conntrackd.conf
fi
fi
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