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Subject: Re: [gentoo-user] New profile 17: How urgent is the rebuild of world
technically?
To: gentoo-user@lists.gentoo.org
References: <20171203021528.xmulbskbadhglyda@solfire>
<20171203034559.qlwbla6hvkjnpn32@solfire> <20171203051525.4c91fafd@lexx>
<4413682.jgHyVfB3Vf@peak> <20171203125605.797c0b51@lexx>
From: Dale <rdalek1967@gmail.com>
Message-ID: <1b29fc64-a0fb-1b96-2d50-e75130fbf996@gmail.com>
Date: Sun, 3 Dec 2017 06:55:59 -0600
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Heiko Baums wrote:
> Am Sun, 03 Dec 2017 09:53:21 +0000
> schrieb Peter Humphrey <peter@prh.myzen.co.uk>:
>
>> On Sunday, 3 December 2017 04:15:25 GMT Heiko Baums wrote:
>>
>>> Like I said before. emerge always calculates the dependency tree,
>>> which is a lot faster in case of `emerge -e @world` than in case of
>>> `emerge -uDN @world`. And then it knows which packages have already
>>> been installed and which are not.
>>>
>>> That said I haven't run an `emerge -e @world` before. So I'm
>>> actually not sure if this works the same way as with an `emerge
>>> -uDN @world`.
>> Nope. Empty-tree means empty-tree. That is, whenever you emerge -e
>> world, you start from the beginning every time, regardless of
>> anything you were doing just before that.
> Actually I was talking about the behavior of `emerge --resume` in the
> case of `emerge -e @world` compared to `emerge -uDN @world`. Sorry, if
> this was unclear.
>
> Heiko
>
>
I think I get what you are saying. If for example you start a emerge -e
world, a emerge -uDN world or something and then stop it before it
finishes, running emerge --resume should pick up where you left off. In
the past, I have done that after a reboot. I'm not sure if having some
things on tmpfs has a effect on that tho.
That said, if you start one of those commands, emerge -e world for
example, and then do some other command besides --resume, then most
likely that will clear whatever emerge was doing before which means
--resume won't work because it has been reset/cleared with the second
command.
As a workaround, I have been known to go to another terminal/konsole and
do a emerge --resume -a and let it get to the point where I need to hit
"y" and enter. I let it sit there and go back to the original terminal
and emerge with whatever options I need for whatever package needs
attention. Then when I'm done, I go to the other terminal/konsole and
tell emerge yes to the --resume command. Once that command figures out
what it needs to do, it already has its list to work with. However, I
can emerge something in another terminal to fix things and hopefully
carry on with the --resume.
Sometimes doing that doesn't work but it could be worth a try. It's
been a while since I've had the need to do that too. Generally, if a
package fails, it will fail until something is fixed so that in can
complete the process. As I've said before, emerge and how it does
things has come a long ways in recent years.
I hope I understood what you meant with all this. I disturbed quite a
few electrons and stuff with this. lol
Dale
:-) :-)