This file is indexed.

postinst is in courier-base 0.68.2-1ubuntu3.

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 -e
#
# Copyright 2000,2001,2003,2004,2008 by Stefan Hornburg (Racke) <racke@linuxia.de>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public
# License along with this program; if not, write to the Free
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA  02111-1307  USA.

# Source debconf library
. /usr/share/debconf/confmodule

if [ "$1" = "configure" ]; then
	# alternative for deliverquota
	update-alternatives --install /usr/bin/deliverquota deliverquota /usr/bin/deliverquota.courier 10 \
                      --slave /usr/share/man/man8/deliverquota.8.gz deliverquota.8.gz /usr/share/man/man8/deliverquota.courier.8.gz
	# alternative for maildir
	update-alternatives --install /usr/share/man/man5/maildir.5.gz maildir.5.gz /usr/share/man/man5/maildir.courier.5.gz 5
	# alternative for maildirmake
    update-alternatives --install /usr/bin/maildirmake maildirmake /usr/bin/maildirmake.courier 5 \
                      --slave /usr/share/man/man1/maildirmake.1.gz maildirmake.1.gz /usr/share/man/man1/maildirmake.courier.1.gz
	# alternative for maildirquota
	update-alternatives --install /usr/share/man/man7/maildirquota.7.gz maildirquota.7.gz /usr/share/man/man7/maildirquota.courier.7.gz 5
	# alternative for makedat
	update-alternatives --install /usr/bin/makedat makedat /usr/bin/makedat.courier 5 --slave /usr/share/man/man1/makedat.1.gz makedat.1.gz /usr/share/man/man1/makedat.courier.1.gz
fi