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.