Bug#902992: live-build broken due subversion recommends

[PICCORO McKAY Lenz <mckaygerhard@gmail.com>]

Package: live-build
Version: 1:20171207
Severity: grave

we need a mechanish to avoid bad or abuse of recommends in apt, this
problem avoit the automatization of the process

if we list the package subversion-tools, that recomends exim4 over any
other, take preference to a specific package

root@pc-desk-w32:/vnx/osposos/debianlive8# aptitude why exim4
i   subversion-tools Recomienda exim4 | mail-transport-agent

so then process end with this:

The following packages have unmet dependencies:
 courier-mta : Conflicts: mail-transport-agent
 exim4-config : Conflicts: courier-mta but 0.76.3-5 is to be installed
 exim4-daemon-light : Conflicts: mail-transport-agent

and lb build fails, with a only solution to make interactive shell and
avoiting automatization of the process

we need the mechanish due we cannot track all packages that abuse or
are bad mantained due policy violations!

Lenz McKAY Gerardo (PICCORO)
http://qgqlochekone.blogspot.com