[Fedora-packaging] Packaging guidelines with regards to packages that use Clam Antivirus scanner

["Jóhann B. Guðmundsson"]

I'm in the midst of converting legacy sysv init scripts that use 
/usr/share/clamav/clamd-wrapper to native systemd units and I have 
noticed some discrepancy in their packaging which indicate a lack of 
guidelines.

Granted that I'm no clamav expert but from what I can tell the packages 
that use the clamd-wrapper should all be doing the same thing and the 
package that does it most right from my point of view is exim-clamd and 
the worst one being dansguardian ( which seems to be yet another package 
we ship that is neglected by it's maintainer(s) I come across in the 
migration process).

If an guideline does exist it would be good if someone could  point me 
to it so I can review it and propose improvements to it if not I 
recommend that we come up with one and standardize how things are being 
done before things get more out of hand than they currently are ( we 
have low number of packages mostly with minor differences between them 
hence this situation can be dealt with ) and deliver to our user base an 
working out of the box solution.

Once an guideline has been written it should be a relatively easily for 
an proven packager to fix the current packages and at the same time ship 
the native unit file.

JBG