.\" dpkg manual page - deb-postinst(5)
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.\" Copyright © 2016 Guillem Jover <guillem@debian.org>
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.TH deb\-postinst 5 "2019-06-03" "1.19.7" "dpkg suite"
.nh
.SH NAME
deb\-postinst \- package post-installation maintainer script
.
.SH SYNOPSIS
postinst
.
.SH DESCRIPTION
A package can perform several post-installation actions via maintainer
scripts, by including an executable \fIpostinst\fP file in its control
archive (i.e. \fIDEBIAN/postinst\fP during package creation).
.PP
The script can be called in the following ways:
.TP
\fIpostinst\fP \fBconfigure\fP \fIold-version\fP
After the package was installed.
.TP
\fIpostinst\fP \fBtriggered\fP \fItrigger-name...\fP
After the package was triggered.
.TP
\fIold-postinst\fP \fBabort-upgrade\fP \fInew-version\fP
If \fIprerm\fP fails during upgrade or fails on failed upgrade.
.TP
\fIold-postinst\fP \fBabort-remove\fP
If \fIprerm\fP fails during removal.
.TP
\fIpostinst\fP \fBabort-deconfigure in-favour\fP \fInew-package new-version\fP
.TQ
       [ \fBremoving\fP \fIold-package old-version\fP ]
If \fIprerm\fP fails during deconfiguration of a package.
.TP
\fIpostinst\fP \fBabort-remove in-favour\fP \fInew-package new-version\fP
If \fIprerm\fP fails during replacement due to conflict.
.
.SH SEE ALSO
.BR dpkg (1).