deb-prerm(5)

NAME
deb-prerm - package pre-removal maintainer script

SYNOPSIS
DEBIAN/prerm

DESCRIPTION
A package can perform several pre-removal actions via maintainer scripts, by including an executable prerm file in its control archive (i.e. DEBIAN/prerm during package creation).

The script can be called in the following ways:

prerm remove
    Before the package is removed.

old-prerm upgrade new-version
    Before an upgrade.

new-prerm failed-upgrade old-version new-version
    If the above upgrade fails.

prerm deconfigure in-favour new-package new-version
[ removing old-package old-version ]
    Before package is deconfigured while dependency is replaced due to conflict.

prerm remove in-favour new-package new-version
    Before the package is replaced due to conflict.

SEE ALSO
dpkg(1).