make upgrade overwrites /etc/mail/mailer.conf

[Sascha Wildner]

Matthew Dillon wrote:

    This needs a slightly smarter install for certain files... a kinda of
    'install if this does not already exist' target.  

    Would someone care to submit a patch to do it?
Matt,

I have fixed this already for stuff in etc/isdn, see 
http://leaf.dragonflybsd.org/mailarchive/commits/2005-01/msg00221.html. 
I will fix mailer.conf the same way.

But it's actually more complicated than that. Some other files, notably 
etc/services, have to be modified by the user for certain configurations 
 (postfix in conjunction with some virus checkers; Joerg Anslik has 
such a setup, fox example) but we also do not want to lose the ability 
to bring in new stuff from IANA from time to time via 'make upgrade'.

corecode suggested in IRC that we might put configuration files under 
version control to be able to merge changes from both sides and it 
sounds like a good idea.

Sascha

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