Alan McKinnon <alan.mckin...@gmail.com> wrote:

> Apparently, though unproven, at 23:10 on Sunday 12 December 2010, 
> cov...@ccs.covici.com did opine thusly:
> 
> > Alan McKinnon <alan.mckin...@gmail.com> wrote:
> > > Apparently, though unproven, at 22:35 on Sunday 12 December 2010,
> > > 
> > > cov...@ccs.covici.com did opine thusly:
> > > > Mark Knecht <markkne...@gmail.com> wrote:
> > > > > On Sun, Dec 12, 2010 at 10:48 AM,  <cov...@ccs.covici.com> wrote:
> > > > > > I have a fair number of preserved-libs, but it will not run at all
> > > > > > and gives the rather strange message:
> > > > > > Calculating dependencies... done!
> > > > > > 
> > > > > > emerge: there are no ebuilds to satisfy "dev-tex/mplib:0".
> > > > > > (dependency required by "@preserved-rebuild")
> > > > > > 
> > > > > > Now I have no such package and an eix seems to indicate that there
> > > > > > is no such, so how do I get this rebuild going again?
> > > > > > 
> > > > > > Thanks in advance for all your help.
> > > > > > 
> > > > > > --
> > > > > > Your life is like a penny.  You're going to lose it.  The question
> > > > > > is: How do
> > > > > > you spend it?
> > > > > > 
> > > > > >         John Covici
> > > > > >         cov...@ccs.covici.com
> > > > > 
> > > > > Probably searching for packages that depend on mplib, (equery) then
> > > > > emerge -C them (it's what I'd probably do - depends...) then
> > > > > re-emerge them if you still use them? Note that I'd go back to
> > > > > finding what members of the world file need all this stuff and
> > > > > emerge that with -DuN, maybe even doing a -depclean after the emerge
> > > > > -C. It's all a guess though.
> > > > > 
> > > > > Seems like this sort of thing happens when a package gets dumped in
> > > > > an upgrade but somehow the ebuilds or package manager don't get
> > > > > updated or just don't work perfectly.
> > > > > 
> > > > > Again, all a guess but I can usually figure it out looking at equery
> > > > > output, etc.
> > > > 
> > > > Well, there was a package, but no ebuild, so I deleted the package and
> > > > its going, but someone broke something.  I wish you could not delete an
> > > > ebuild if you have the package, or it would put it somewhere to prevent
> > > > this kind of thing.
> > > 
> > > That will make portage store gigantic numbers of old and since upgraded
> > > versions just in case maybe you might need it perhaps. Sounds like a lot
> > > of pain for no gain. Sounds like exactly the kind of thing any decent
> > > dev will reject.
> > > 
> > > Besides, you can always get the old ebuild back from the Attic, or you
> > > could copy it somewhere safe from /var/db/pkg/ before you delete it.
> > > 
> > > Mark has the correct solution. mplib is not needed and was deleted.
> > > However, it's in preserved-rebuild as being used by something. In all
> > > likelyhood that something uses mplib purely optionally and you should
> > > just rebuild that something. You provided no output so no-one here knows
> > > how to fix your problem.
> > 
> > There was no output, but what I sent and the only thing depended on
> > mplib was the package with no ebuild, so I guess its fixed.  But
> > something seems wrong here that you should have a package and the ebuild
> > would go away like that.  I am not sure of the best solution.
> 
> But you *don't* have the package, or it didn't uninstall cleanly. It's not in 
> the tree, it's not in eix, so it no longer exists. There would have been at 
> least 30 days notice in $PORTDIR/profiles/package.mask that it was going 
> away, 
> and emerge gives output that there is a package present without an ebuild.
> 
> Or maybe you deleted the ebuild yourself out of a local overlay.
> 
> There's lots of ways this can happen. preserved-rebuild tracks that some part 
> of mplib is bieng used somehow, and it told you. Now you as the human being 
> get to decide how to proceed because the software cannot decide for you.
> 
> The software is working as designed. What else did you expect it to do?
> 
> One thing that is NOT a solution is to not delete the ebuild. That results in 
> your tree being out of sync with upstream. That is not allowed.
I agree that the tree should be in sync, but how come I was able to
unmerge the package?  It must keep the information somewhere -- and it
didn't tell me anything about having packages with no ebuilds -- that
would have been OK.  Maybe that is all I would need, but it didn't
happen.

-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         cov...@ccs.covici.com

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