# dpkg manual page - deb-postinst(5)
#
# Copyright © 2016 Guillem Jover <guillem@debian.org>
#
# This is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
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=encoding utf8

=head1 NAME

deb-postinst - package post-installation maintainer script

=head1 SYNOPSIS

B<DEBIAN/postinst>

=head1 DESCRIPTION

A package can perform several post-installation actions via maintainer
scripts, by including an executable I<postinst> file in its control
archive (i.e. I<DEBIAN/postinst> during package creation).

The script can be called in the following ways:

=over

=item I<postinst> B<configure> I<old-version>

After the package was installed.

=item I<postinst> B<triggered> "I<trigger-name...>"

After the package was triggered.
The list of space-separated I<trigger-name>s is passed as the second
argument.

=item I<old-postinst> B<abort-upgrade> I<new-version>

If I<prerm> fails during B<upgrade> or fails on B<failed-upgrade>.

=item I<old-postinst> B<abort-remove>

If I<prerm> fails during B<remove>.

=item I<postinst> B<abort-deconfigure> B<in-favour> I<new-package> I<new-version>

=item S<       >[ B<removing> I<old-package> I<old-version> ]

If I<prerm> fails during B<deconfigure in-favour> of a package.

=item I<postinst> B<abort-remove> B<in-favour> I<new-package> I<new-version>

If I<prerm> fails during B<remove in-favour> for replacement due to conflict.

=back

=head1 SEE ALSO

B<dpkg>(1).