On Dec 20, 2011 2:58 AM, "Allan Gottlieb" <firstname.lastname@example.org> wrote:
> On Sun, Dec 18 2011, Allan Gottlieb wrote:
> > On Sun, Dec 18 2011, Joshua Murphy wrote:
> >> On Sun, Dec 18, 2011 at 8:34 PM, Allan Gottlieb <email@example.com> wrote:
> >>> I get dependency problems in my normal update world that I can't
> >>> understand. *The entire output is below.
> >>> As far as I can tell gnome-2.32.1-r1 (which is installed) is requiring
> >>> packages from gnome-3, which must be wrong. *I don't see any such
> >>> dependencies in the ebuild for gnome-2.32.1-r1 and there is an "official
> >>> mask list" (which I am using) for those of us who want to
> >>> delay installing gnome-3 for a while.
> >>> My conclusion that gnome-2... is requiring gnome-3 packages (which I
> >>> know is wrong) comes from two points in the output below.
> >>> 1. *The indenting of the --tree --verbose output seems to say this
> >>> * *(e.g., the first two lines say gnome-2... depends on nautilus-3)
> >>> 2. *The comments related to mask changes at the bottom say
> >>> * *evince-3... is required by gnome-2...
> >>> Please help.
> >>> thanks,
> >>> allan
> >> Without doing any digging (I'm 100mi away from my Gentoo boxes and
> >> sitting on satellite internet, so SSH is painful), I would presume the
> >> packages pulling in those dependencies aren't specifying a maximum
> >> version, so it's not that they're "requiring" gnome 3 packages,
> >> they're requiring gnome packages and are choosing to use the newest,
> >> which happens to be part of 3, meaning the gnome 2 ebuilds would need
> >> updated to require version < 3.0 to avoid it automatically, and
> >> possibly block on mixing 2 and 3 if the mixing really does give
> >> issues.
> > All the gnome-3 packages are masked (package.mask).
> > Indeed, at the end of my output (see prev msg) you see recommendations
> > from emerge for me to remove some masks.
> > allan
> It was more subtle than I thought. *A big tip from Alexandre Rostovtsev
> suggested that the problem might be that some package other than
> gnome-base/gnome might be requiring nautilus-3 *OR introspection*.
> Sure enough the new evince was the culprit. *I put in a workaround for
> today but everything should be fine tomorrow due to ...
> * *From: Allan Gottlieb <firstname.lastname@example.org>
> * *Subject: Re: [Bug 395173] gnome-light-2.32 shouldn't depend on >=x11-themes/gnome-themes-standard-3.0.2
> * *To: Alexandre Rostovtsev <email@example.com>
> * *Date: Mon, 19 Dec 2011 14:47:08 -0500
> * *On Mon, Dec 19 2011, Alexandre Rostovtsev wrote:
> * *> On Mon, 2011-12-19 at 10:59 -0500, Allan Gottlieb wrote:
> * *>> The equery d *command (with depth=2 or depth=30) shows no mention of
> * *>> gnome-3, but *does* show introspection. *Specifically
> * *>>
> * *>> app-text/evince-2.32.0-r3 (nautilus ? >=gnome-base/nautilus-2.10[introspection?])
> * *>>
> * *> Ah, that explains it.
> * *>
> * *> When we unmasked gobject-introspection in August, the introspection
> * *> USE flag was masked on versions of gnome-2 packages that were already
> * *> stable, including on <app-text/evince-2.32.0-r4 and
> * *> <gnome-base/nautilus-188.8.131.52-r2.
> * *>
> * *> Two days ago, evince was bumped to 2.32.0-r4 to fix a crash.
> * *> Therefore, evince-2.32.0-r4 became the first gnome-2 version of evince
> * *> that had introspection unmasked, and it wanted to pull in
> * *> nautilus[introspection]. But the latest gnome-2 version of nautilus in
> * *> portage was nautilus-184.108.40.206-r1, which had introspection masked.
> * *> Therefore, evince-2.32.0-r4 effectively depended on nautilus-3. And
> * *> since nautilus-3 and evince-2.32.0-r4 are both in ~arch, repoman (the
> * *> automatic script that gentoo developers use to check their ebuilds
> * *> before committing) did not catch the problem
> * *>
> * *> I have now fixed it by bumping nautilus to 220.127.116.11-r2, and have
> * *> alerted the other gnome team members to be aware of this issue.
> * *>
> * *> Thank you very much for reporting this as soon as you did!
> * *>
> * *> -Alexandre.
> * *Great. *So tomorrow, my resync will find nautilus...-r2 and I will be
> * *able to remove
> * * * *app-text/evince -introspection
> * *from package.use.
> * *(That is the workaround I put in today to permit an update world to
> * *proceed without gnome-3).
A perfect example why we ought to report on bugs. It might save someone else from a teeth-gritting hardship, even when handling a totally unrelated package.
Well done, Gentoo-ers :-)