bug#40729: Two rottlog servives causes cryptic etc drv failure

[Christopher Baines]

Ludovic Courtès <address@hidden> writes:

> Hi,
>
> Christopher Baines <address@hidden> skribis:
>
>> I got this error when reconfiguring with a recent revision of Guix.
>>
>>
>> /builder for `/gnu/store/kbhl4rk6p0z4jbimlqj57vj3dhyjgv4x-etc.drv' failed 
>> with exit code 1
>> build of /gnu/store/kbhl4rk6p0z4jbimlqj57vj3dhyjgv4x-etc.drv failed
>> View build log at 
>> '/var/log/guix/drvs/kb/hl4rk6p0z4jbimlqj57vj3dhyjgv4x-etc.drv.bz2'.
>> building /gnu/store/59bd67s06inr5vzyxc70yk6garj2aciz-linux-modules.drv...
>> cannot build derivation 
>> `/gnu/store/n45vq7jbhn5qz24qlgv6a6ginarqs433-system.drv': 1 dependencies 
>> couldn't be built
>> guix system: error: build of 
>> `/gnu/store/n45vq7jbhn5qz24qlgv6a6ginarqs433-system.drv' failed
>> chris@guix-hetzner-1 ~$ bzcat 
>> /var/log/guix/drvs/kb/hl4rk6p0z4jbimlqj57vj3dhyjgv4x-etc.drv.bz2
>> Backtrace:
>>            1 (primitive-load "/gnu/store/g4q88pmwr1vy54qpnkz878k3n7f?")
>>            0 (symlink "/gnu/store/939n705vmkn8613b8gjc10llvsr5jcwc-?" ?)
>>
>> ERROR: In procedure symlink:
>> In procedure symlink: File exists
>
> Yeah that’s something I noticed here:
>
>   https://lists.gnu.org/archive/html/guix-devel/2020-04/msg00032.html
>
> Commit a322e9d16b227484ce04721fee0f99618cb1007e does that.
>
> The result is not optimal yet because it just says “duplicate entries”.
> Ideally we’d be able to show a ‘fold-services’ trace of sorts telling
> showing where the faulty entries come from.

Awesome, that'll be useful for sure :)

Thanks,

Chris

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