preinst is in avahi-autoipd 0.6.31-4ubuntu1.
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 | #!/bin/sh
set -e
case "$1" in
install|upgrade)
# Remove compat symlinks for dhcp3-client which might have been
# created during upgrades.
if dpkg --compare-versions "$2" lt "0.6.28-3"; then
if [ -L /etc/dhcp3/dhclient-enter-hooks.d/avahi-autoipd ]; then
rm -f /etc/dhcp3/dhclient-enter-hooks.d/avahi-autoipd
fi
if [ -L /etc/dhcp3/dhclient-exit-hooks.d/zzz_avahi-autoipd ]; then
rm -f /etc/dhcp3/dhclient-exit-hooks.d/zzz_avahi-autoipd
fi
fi
esac
# Automatically added by dh_installdeb
dpkg-maintscript-helper mv_conffile /etc/dhcp3/dhclient-enter-hooks.d/avahi-autoipd /etc/dhcp/dhclient-enter-hooks.d/avahi-autoipd 0.6.25-4~ avahi-autoipd -- "$@"
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper mv_conffile /etc/dhcp3/dhclient-exit-hooks.d/zzz_avahi-autoipd /etc/dhcp/dhclient-exit-hooks.d/zzz_avahi-autoipd 0.6.25-4~ avahi-autoipd -- "$@"
# End automatically added section
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