preinst is in checksecurity 2.0.14ubuntu1.
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
#
# Move the existing checksecurity.conf out of the way if this is a new
# install, so that we don't get bogus "file has been edited""
# interactions from dpkg, and so that I don't completely lose
# /etc/checksecurity.conf under certain circumstances.
if [ "$1" = "install" -a -z "$2" -a -f "/etc/checksecurity.conf" ] ; then
mv /etc/checksecurity.conf /etc/checksecurity.conf.cron
fi
# Resort /var/log/setuid.today if upgrading from 2.0.5 or earlier
if [ "$1" = "upgrade" ] && dpkg --compare-versions "$2" "<<" "0.2.5.1"
then
cp /var/log/setuid.today /var/log/setuid.preupgrade >/dev/null 2>&1
# Only continue if the above worked (disk full?)
if [ "$?" -eq 0 ]
then
cat /var/log/setuid.preupgrade |
sort -k 12 > /var/log/setuid.today
rm -f /var/log/setuid.preupgrade
fi
fi
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