Bug#864597: upgrade-reports: jessie -> stretch: gnome fails to upgrade: cycle found while processing triggers

[Cyril Brulebois]

Julien Cristau <jcristau at debian.org> (2017-06-15):
> It sounds like openjdk-8 added two Breaks recently, one or both of
> which are causing trouble, and none of which fix anything as bad as
> this.  So I think we should remove the Breaks on tzdata-java from
> openjdk-8-jdk-headless, and remove the Breaks on ca-certificates-java
> from openjdk-8-jre-headless.  Would that fix the current issue?
> 
> From what I can see #863820 is at most a normal-severity issue.  Not
> upgrading some packages is way way better than a failed upgrade.

I'm currently building an updated openjdk-8 with the attached changes
to see what the upgrade-desktop test cases would look like.

Note: I've chosen to remove the “Breaks: ${jrehl:Breaks}” line from
debian/control* so that I'm only touching these files, since d/rules
seems to only set it to tzdata-java anyway, depending on the target
dist.

I'll report the results afterwards, but as mentioned on IRC, even if
that looks good in the end, fewer than 2 days to become confident it
won't regress in other cases is really short. :(


KiBi.
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