[gentoo-user] Re: How to resume 'emerge -e @world' after grub fails?

["Jörg Schaible" <joerg.schaible@gmx.de>]

Am Thu, 21 Dec 2017 13:00:47 +0100 schrieb Marc Joliet:

> Am Donnerstag, 21. Dezember 2017, 10:45:41 CET schrieb Jörg Schaible:
>> Hi,
>> 
>> Am Mon, 18 Dec 2017 11:07:08 -0500 schrieb John Blinka:
>> > On Mon, Dec 18, 2017 at 11:00 AM, Grant Edwards
>> > 
>> > <grant.b.edwards@gmail.com> wrote:
>> >> How do I skip grub and continue?
>> > 
>> > emerge --skipfirst --resume
>> 
>> This is unfortunately really dangerous, because "emerge --resume" will
>> recalculate the order of the outstanding packages and you have no
>> guarantee that the first one will be the one that failed the last run.
>> In that case you skip an arbitrary package and you may increase your
>> problems.
>> 
>> You can use --skipfirst only if you have restarted emerge with --resume
>> only and you have ensured that it will really continue with the failing
>> package. You may abort the build then with CTRL-C and restart emerge
>> with both options.
> 
> That clashes with my understanding, so I looked it up, and it turns out
> I was right.  From emerge(1):
> 
>>  --skipfirst
>>  
>>               This option is only valid when used with --resume.  It
>>               removes the first package in the resume list.
>>               Dependencies are recalculated for remaining packages and
>>               any that have unsatisfied dependencies or are masked will
>>               be automatically dropped. Also see the related
>>               --keep-going option.
> 
> Note the "remaining dependencies" part.  Otherwise, what would be the
> point of --skipfirst if it were so unpredictable?

Well, that's the difference between theory and practice. I've been bitten more than once, but you may do as 
you want, it's your system ...

Cheers,
Jörg