On Thu, 10 Apr 2008 14:10:32 +0200, Alan McKinnon wrote:

> I usually find that I need to look in the ebuilds anyway to see what is
> going on and get enough info to make a decision, at which point I'm not
> looking at emerge's output anymore :-)

Because of the nature of a block, only one of the named packages can be
installed, so just unmerge that one, wherever it appears in the block
message


--
Neil Bothwick

"F*ck it" said Pooh, being more forthright than usual.

On Thursday 10 April 2008 13:48:12 Etaoin Shrdlu wrote:
> On Thursday 10 April 2008, 14:08, Alan McKinnon wrote:
> > In any event, when portage says "A blocks B" your options and always
> > only:
> >
> > - unmerge B and optionally remerge or upgrade it later
> > - do not use A
>
> I have always resolved "A blocks B" problems by unmerging A. After that,
> portage was not complaining anymore, and B emerged fine.
>
> Or at least, that's what I think I did :-)

That's what I do too.

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Peter
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On Thursday 10 April 2008 13:08:14 Alan McKinnon wrote:

> "blocks" is 6 letters. A semantically correct phrase is longer and takes
> up heaps of line length. The emerge dev apparently favours brevity and
> complete data over absolute descriptive correctness.

We're not dealing here with fine details of semantics; what emerge tells us
is usually correct in my experience, but in this case it's actually saying
the opposite of what it means. More thought is needed.

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Peter
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Neil Bothwick <neil@digimed.co.uk> writes:

> Because of the nature of a block, only one of the named packages can be
> installed, so just unmerge that one, wherever it appears in the block
> message

Is that always true? I seem to remember seeing cases where an upgrade of
X wanted to install A and the upgrade of Y wanted to install B, and the
blocker saying that A blocks B when neither (the specific versions of) A
nor B are currently installed.
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On Fri, 11 Apr 2008 13:15:20 +0100, Graham Murray wrote:

> > Because of the nature of a block, only one of the named packages can
> > be installed, so just unmerge that one, wherever it appears in the
> > block message

> Is that always true?

Everything is always true, except for generalisations

> I seem to remember seeing cases where an upgrade of
> X wanted to install A and the upgrade of Y wanted to install B, and the
> blocker saying that A blocks B when neither (the specific versions of) A
> nor B are currently installed.

Yes, you can get more complex blocks, but where it's a simple A blocks B,
unmerge whichever is installed.


--
Neil Bothwick

Electrocution, n.:
Burning at the stake with all the modern improvements.

I think it's bidirections. Becourse I got 'A blocks B' one, when both of
them weren't installed.(I was installing C,and I don't know why C
depends on both A and B).

On 14:55 Thu 10 Apr , Uwe Thiem wrote:
> On Thursday 10 April 2008, Etaoin Shrdlu wrote:
> > On Thursday 10 April 2008, 14:08, Alan McKinnon wrote:
> > > In any event, when portage says "A blocks B" your options and
> > > always only:
> > >
> > > - unmerge B and optionally remerge or upgrade it later
> > > - do not use A
> >
> > I have always resolved "A blocks B" problems by unmerging A. After
> > that, portage was not complaining anymore, and B emerged fine.
> >
> > Or at least, that's what I think I did :-)
>
> That was what I did as well in the past. Didn't work this time because
> I couldn't unmerge A because it apparently wasn't installed yet.
>
> Obviously Alan was right because all went well after I unmerged B. The
> problem remains that I am pretty sure I will draw the same conclusion
> next time this happens. Well, I will read Alans explanation another
> couple of times. Maybe enlightenment will eventual strike me. ;-)
>
> Uwe
>
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