Re: apt-get upgrade and package consolidation
Frank de Lange <debian-mentors-f@unternet.org> writes:
> In packaging owncloud (https://owncloud.org) for Debian we've hit on a
> bit of a snag. In previous versions of the Debian packages, many
> disparate components were delivered in their own package
> (owncloud-app-encryption, owncloud-app-kichensink, owncloud-app-.....,
> etc). These functions have now been consolidated into the main package,
> named owncloud-server. The main question now is how to get this upgrade
> to go ahead using a normal apt-get upgrade (or the equivalent in other
> upgrade mechanisms) without needing to resort to dist-upgrade or a
> targeted upgrade (apt-get upgrade/install owncloud-server).
> Currently the following happens:
> - user has the whole bunch of owncloud-app-... packages installed
> as well as owncloud-server, all at v 8.1.1-1.
> - the next version of owncloud-server (v 8.1.3-6.1) includes all these
> owncloud-app-... packages. In the control file this is stated:
> Conflicts: ... owncloud-app-activity (<< 8.1.3-6.1), owncloud-
> app-encryption (<< 8.1.3-6.1), ... (etcetera - the list is long)
> Breaks: ... owncloud-app-activity (<< 8.1.3-6.1), owncloud-
> app-encryption (<< 8.1.3-6.1), ... (etcetera - the list is long)
You basically never want both Conflicts and Breaks. Breaks is a weaker
version of Conflicts. In this case, I think you want Conflicts, not
Breaks, plus Provides and Replaces.
> - user tries a normal upgrade but this fails - owncloud-server
> is held back
> - attempting to solve this by adding a 'Provides:' section with the
> consolidated packages does not solve it either - now both the
> owncloud-server package as well as all those 'Provided' packages
> are held back.
I think you need Replaces. See:
https://www.debian.org/doc/debian-policy/ch-relationships.html#s7.6.2
--
Russ Allbery (rra@debian.org) <http://www.eyrie.org/~eagle/>
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