postinst is in avahi-daemon 0.6.30-5ubuntu2.
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 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | #!/bin/sh
# postinst script for avahi-daemon
set -e
# summary of how this script can be called:
# * <postinst> `configure' <most-recently-configured-version>
# * <old-postinst> `abort-upgrade' <new version>
# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
# <new-version>
# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
# <failed-install-package> <version> `removing'
# <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package
case "$1" in
configure)
if ! getent passwd avahi >/dev/null; then
adduser --disabled-password --quiet --system \
--home /var/run/avahi-daemon --no-create-home \
--gecos "Avahi mDNS daemon" --group avahi
fi
# If the Avahi user has the old home, change it
if ! getent passwd avahi | grep -q /var/run/avahi-daemon; then
usermod -d /var/run/avahi-daemon avahi
fi
# Add the netdev group unless it's already there
if ! getent group netdev >/dev/null; then
addgroup --quiet --system netdev || true
fi
# Ask the bus to reload the config file
if [ -x "/etc/init.d/dbus" ]; then
invoke-rc.d dbus force-reload || true
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 1
;;
esac
# Automatically added by dh_installinit
if [ -e "/etc/init/avahi-daemon.conf" ]; then
invoke-rc.d avahi-daemon start || exit $?
fi
# End automatically added section
# Automatically added by dh_installinit
update-rc.d -f avahi-daemon remove >/dev/null || exit $?
# End automatically added section
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