Re: Upgrading a package with diversions

[Ian Jackson <ian@chiark.chu.cam.ac.uk>]

Michael Shields writes ("Re: Upgrading a package with diversions"):
...
> Are you saying that the prerm and postrm should know what diversions were
> used by each previous version of the package, and manage to get it right
> based on the version number?  This seems like a lot of work, and
> error-prone.

Yes, you're right.

> Maybe, instead of running dpkg-divert from preinst/postrm at all, there
> should be a DEBIAN/diversions file in the package.  It would simply contain
> pairs of old and new filenames:
> 
>     /bin/ls
>     /bin/ls.mono
>     /usr/bin/thingy
>     /usr/bin/thingy.mono

I had thought of a different solution but yours is much better.  I've
put it on the wishlist and will implement it when I'm next messing
with things like this.  Unfortunately your suggestion does involve a
significant amount of extra work ...

Thanks,
Ian.