preinst is in rlinetd 0.9-2.
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 | #!/bin/sh
set -e
divert()
{
if ! dpkg-divert --list "$1$2" | grep -q diversion; then
dpkg-divert --package rlinetd --quiet --rename --add \
--divert "$1.real$2" "$1$2"
fi
}
undivert_bad()
{
if dpkg-divert --list "$1" | grep -q "diversion.*$1\.real.*rlinetd"; then
rm -f "$1"
dpkg-divert --package rlinetd --quiet --rename --remove \
--divert "$1.real" "$1"
fi
}
# undivert bad diversion in rlinetd 0.5.4
undivert_bad /usr/share/man/man8/update-inetd.8.gz
divert /usr/sbin/update-inetd
divert /usr/share/man/man8/update-inetd .8.gz
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