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Re: fixing --check saying outputs not valid

From: Ludovic Courtès
Subject: Re: fixing --check saying outputs not valid
Date: Mon, 11 Sep 2017 14:14:29 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux)

Dave Love <address@hidden> skribis:

> Ludovic Courtès <address@hidden> writes:
>> To run --check, you must first already have the store item(s) available.
>> So you would first run:
>>   guix build hwloc
>> which will ensure both hwloc and hwloc:lib are in your store, possibly
>> by downloading substitutes.
>> Then you can run “guix build hwloc --check -L --no-grafts”, which will
>> build hwloc locally and raise an error if hwloc:{out,lib} are not
>> bit-identical to what you had in store.
> [Should that be documented as the procedure to use?]

I think this is documented, but if you think it’s not or not in the
right place, please tell!

> The trouble is that I don't get a second build with --check:
>   $ ./pre-inst-env guix build hwloc --check -L --no-grafts
“--no-grafts” is taken as an argument to ‘-L’, and thus you only rebuilt
the grafting derivation:

>   @ build-started 
> /gnu/store/7d2lk82ak7n0awbr1k5bllwfc43dicsl-hwloc-1.11.8.drv - x86_64-linux 
> /var/log/guix/drvs/7d//2lk82ak7n0awbr1k5bllwfc43dicsl-hwloc-1.11.8.drv.bz2
>   grafting '/gnu/store/n2l4ryq1572wnfh4yxljjbh2q40v6jr0-hwloc-1.11.8-debug' 
> -> '/gnu/store/dgfpcmkx7wzxjj3d1q6l5dmzjr9z6wz5-hwloc-1.11.8-debug'...
>   grafting '/gnu/store/hf6k2i6aqqs50p181bs1aa7xw49kd6xn-hwloc-1.11.8-lib' -> 
> '/gnu/store/jrxiynx443d894and51pa8bylaib0bkc-hwloc-1.11.8-lib'...
>   grafting '/gnu/store/f969ab3pfvgn28xc812h97jsyif2z5vs-hwloc-1.11.8' -> 
> '/gnu/store/2mind69xpdx8wv6ixmjix0f12dd2qb2v-hwloc-1.11.8'...
>   /gnu/store/dgfpcmkx7wzxjj3d1q6l5dmzjr9z6wz5-hwloc-1.11.8-debug
>   /gnu/store/jrxiynx443d894and51pa8bylaib0bkc-hwloc-1.11.8-lib
>   /gnu/store/2mind69xpdx8wv6ixmjix0f12dd2qb2v-hwloc-1.11.8


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