This file is indexed.

preinst is in openssh-server 1:7.6p1-4.

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.

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#!/bin/sh
set -e

action=$1
version=$2

if [ "$action" = upgrade ] || [ "$action" = install ]
then
  if dpkg --compare-versions "$version" lt 1:5.5p1-6 && \
     [ -d /run/sshd ]; then
    # make sure /run/sshd is not removed on upgrades
    touch /run/sshd/.placeholder
  fi
fi

# Automatically added by dh_installdeb/11.1.4ubuntu1
dpkg-maintscript-helper mv_conffile /etc/pam.d/ssh /etc/pam.d/sshd 1:4.7p1-4~ -- "$@"
# End automatically added section
# Automatically added by dh_installdeb/11.1.4ubuntu1
dpkg-maintscript-helper rm_conffile /etc/init/ssh.conf 1:7.5p1-6~ -- "$@"
# End automatically added section


exit 0