GNU bug report logs - #36439
Guix build throws the data away if hash mismatch

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: swedebugia <swedebugia <at> riseup.net>
To: Report new Guix bug <bug-guix <at> gnu.org>
Subject: Guix build throws the data away if hash mismatch
Date: Sun, 30 Jun 2019 00:09:44 +0200

Hi

When I run guix download the data is saved to the store. When I run guix 
build without first running download and the hash mismatches it 
seemingly throws the data away.

I think that is a bug.

-- 
Cheers Swedebugia

Message #10 received at 36439-done <at> debbugs.gnu.org (full text, mbox):

From: Ricardo Wurmus <rekado <at> elephly.net>
To: swedebugia <swedebugia <at> riseup.net>
Cc: 36439-done <at> debbugs.gnu.org
Subject: Re: bug#36439: Guix build throws the data away if hash mismatch
Date: Sun, 30 Jun 2019 00:28:13 +0200

swedebugia <swedebugia <at> riseup.net> writes:

> When I run guix download the data is saved to the store. When I run
> guix build without first running download and the hash mismatches it
> seemingly throws the data away.

This is not a bug.

The data that’s downloaded when you run “guix build” is not added to the
store because the hash mismatch indicates that it is corrupt.  Not
adding corrupt data (according to the user-specified hash) is the right
thing to do here.

If you want to add downloaded things to the store you should keep using
“guix download” and not “guix build”.

--
Ricardo

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