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.\" ========================================================================
.\"
.IX Title "deb-prerm 5"
.TH deb-prerm 5 "2022-09-01" "1.20.12" "dpkg suite"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.nh
.SH "NAME"
deb\-prerm \- package pre\-removal maintainer script
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
\&\fBDEBIAN/prerm\fR
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
A package can perform several pre-removal actions via maintainer
scripts, by including an executable \fIprerm\fR file in its control
archive (i.e. \fIDEBIAN/prerm\fR during package creation).
.PP
The script can be called in the following ways:
.IP "\fIprerm\fR \fBremove\fR" 4
.IX Item "prerm remove"
Before the package is removed.
.IP "\fIold-prerm\fR \fBupgrade\fR \fInew-version\fR" 4
.IX Item "old-prerm upgrade new-version"
Before an upgrade.
.IP "\fInew-prerm\fR \fBfailed-upgrade\fR \fIold-version new-version\fR" 4
.IX Item "new-prerm failed-upgrade old-version new-version"
If the above \fBupgrade\fR fails.
.IP "\fIprerm\fR \fBdeconfigure in-favour\fR \fInew-package new-version\fR" 4
.IX Item "prerm deconfigure in-favour new-package new-version"
.PD 0
.IP "    [ \fBremoving\fR \fIold-package old-version\fR ]" 4
.IX Item " [ removing old-package old-version ]"
.PD
Before package is deconfigured while dependency is replaced due to conflict.
.IP "\fIprerm\fR \fBremove in-favour\fR \fInew-package new-version\fR" 4
.IX Item "prerm remove in-favour new-package new-version"
Before the package is replaced due to conflict.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBdpkg\fR(1).