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# 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
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This 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, see <https://www.gnu.org/licenses/>.
=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
L<dpkg(1)>.
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