GNU bug report logs - #56091
Possible hash mismatch in barrier 2.4.0

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Tobias Geerinckx-Rice <me <at> tobias.gr>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#56091: closed (Possible hash mismatch in barrier 2.4.0)
Date: Sun, 19 Jun 2022 15:34:02 +0000

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Your message dated Sun, 19 Jun 2022 17:28:53 +0200
with message-id <87v8sw3bws <at> nckx>
and subject line Re: bug#56091: Possible hash mismatch in barrier 2.4.0
has caused the debbugs.gnu.org bug report #56091,
regarding Possible hash mismatch in barrier 2.4.0
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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56091: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=56091
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From: Vishakh Kumar <grokkingstuff <at> gmail.com>
To: bug-guix <at> gnu.org
Subject: Possible hash mismatch in barrier 2.4.0
Date: Sun, 19 Jun 2022 10:25:44 +0400

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Hey there!

Am trying to install barrier on my computer and guix tells me 
there is a
hash mismatch. I’m able to install other applications, and I think 
this
is a case where the hash in the package description might be 
wrong?

More than happy to provide more info, please let me know how i can 
help
debug this.

Cheers,
Vishakh Kumar

> grokkingstuff <at> grokkingNoether ~$ guix install barrier
> The following package will be installed:
>    barrier 2.4.0
>
> The following derivations will be built:
>   /gnu/store/0lwma8nhhy18z8x5v8zjjhk740bm1mv9-barrier-2.4.0.drv
>   /gnu/store/lba0pd5a1hzzfbcswgx0ws1nrldfxxnp-barrier-2.4.0-checkout.drv
>
> 15.1 MB will be downloaded
>  qtbase-5.15.2  14.4MiB                31KiB/s 07:54 
>  [##################] 100.0%
> building 
> /gnu/store/lba0pd5a1hzzfbcswgx0ws1nrldfxxnp-barrier-2.4.0-checkout.drv…
> /r:sha256 hash mismatch for 
> /gnu/store/s7ivxx684bd34bzmgdc282kw1lsg407r-barrier-2.4.0-checkout:
>   expected hash: 
>   10xk9szxxnqgfym53mcd9hqj1cw2ipncmiixw3i3ajlj1vn88qh1
>   actual hash: 
>   19bwa9qidq2mxv1fkyxxc1xdmv3jx6bj35bkaaw70jzkblnfmlfs
> hash mismatch for store item 
> ’/gnu/store/s7ivxx684bd34bzmgdc282kw1lsg407r-barrier-2.4.0-checkout’
> build of 
> /gnu/store/lba0pd5a1hzzfbcswgx0ws1nrldfxxnp-barrier-2.4.0-checkout.drv 
> failed
> View build log at 
> ’/var/log/guix/drvs/lb/a0pd5a1hzzfbcswgx0ws1nrldfxxnp-barrier-2.4.0-checkout.drv.bz2’.
> cannot build derivation 
> `/gnu/store/0lwma8nhhy18z8x5v8zjjhk740bm1mv9-barrier-2.4.0.drv’: 
> 1 dependencies couldn’t be built
> guix install: error: build of 
> `/gnu/store/0lwma8nhhy18z8x5v8zjjhk740bm1mv9-barrier-2.4.0.drv’ 
> failed

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From: Tobias Geerinckx-Rice <me <at> tobias.gr>
To: Vishakh Kumar <grokkingstuff <at> gmail.com>
Cc: bug-guix <at> gnu.org, 56091-done <at> debbugs.gnu.org
Subject: Re: bug#56091: Possible hash mismatch in barrier 2.4.0
Date: Sun, 19 Jun 2022 17:28:53 +0200

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Hi!

Thanks for reporting this.

Vishakh Kumar 写道：
> I think this is a case where the hash in the package description
> might be wrong?

What usually (though, mercifully, rarely) happens is that the hash 
is correct at the time of packaging, then upstream goes and moves 
a perfectly good git tag instead of making a new one, and the hash 
becomes wrong in retrospect.

This case was different: the original packager correctly ran ‘guix 
hash -rx .’ on their clone of the barrier git repository, but did 
not first check out the submodules and was unaware that these 
affect the hash.  I don't think the original package ever built, 
or at least fail to see how it could have.

Fixed on master[0].

Closing, but could you guix pull & confirm that it works for you?

Kind regards,

T G-R

[0]: 
https://git.savannah.gnu.org/cgit/guix.git/commit/?id=7f1cb1ebca169e3a4b5ed59fe226bb614b18b57f

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