GNU bug report logs - #39575
guix time-machine fails when a tarball was modified in-place

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From: zimoun <zimon.toutoune <at> gmail.com>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 39575 <at> debbugs.gnu.org, Jan Nieuwenhuizen <janneke <at> gnu.org>
Subject: bug#39575: guix time-machine fails when a tarball was modified in-place
Date: Fri, 14 Feb 2020 11:47:09 +0100

Hi Ludo,

On Thu, 13 Feb 2020 at 22:34, Ludovic Courtès <ludo <at> gnu.org> wrote:
>
> Hi,
>
> Jan Nieuwenhuizen <janneke <at> gnu.org> skribis:
>
> > building /gnu/store/cjim33x0q1bv1ppkv3qijvr1pvsn4y0q-harfbuzz-2.4.0.tar.bz2.drv...
> > downloading from https://www.freedesktop.org/software/harfbuzz/release/harfbuzz-2.4.0.tar.bz2...
> > |offloading build of /gnu/store/6fgg1irkcvqyb4f9f8n0nzi5gknyqhfn-gcc-mesboot1-4.7.4.drv to 'kluit.dezyne.org'
> > - 'build' phasesha256 hash mismatch for /gnu/store/b4cdp9sp44848348lrpzbfafhmjqf8nr-harfbuzz-2.4.0.tar.bz2:
> >   expected hash: 1mpah6kwqid1kxsj4rwqsniivqbrx231j65v51yncx6s0dch0dch
> >   actual hash:   0vrkvdlmihdg62a4c6h5kx27khc33xmb95l50zgnwnavvpwyyw5l
> > hash mismatch for store item '/gnu/store/b4cdp9sp44848348lrpzbfafhmjqf8nr-harfbuzz-2.4.0.tar.bz2'
>
> The file itself is still available on our machines though, and you can
> get it with:
>
>   guix download -o harfbuzz-2.4.0.tar.bz2 \
>   https://ci.guix.gnu.org/file/harfbuzz-2.4.0.tar.bz2/sha256/0vrkvdlmihdg62a4c6h5kx27khc33xmb95l50zgnwnavvpwyyw5l

Maybe I miss a point, but the file we need is the old one, not the new
one, i.e., the one with the expected hash
1mpah6kwqid1kxsj4rwqsniivqbrx231j65v51yncx6s0dch0dch. And I should do
wrong but ci.guix.gnu.org does not have this file -- otherwise it will
find it because of substitutes mechanism.

--8<---------------cut here---------------start------------->8---
 $ guix download -o /tmp/harfbuzz-old.tar.bz2 \
 https://ci.guix.gnu.org/file/harfbuzz-2.4.0.tar.bz2/sha256/1mpah6kwqid1kxsj4rwqsniivqbrx231j65v51yncx6s0dch0dch

Starting download of /tmp/harfbuzz-old.tar.bz2
From https://ci.guix.gnu.org/file/harfbuzz-2.4.0.tar.bz2/sha256/1mpah6kwqid1kxsj4rwqsniivqbrx231j65v51yncx6s0dch0dch...
download failed
"https://ci.guix.gnu.org/file/harfbuzz-2.4.0.tar.bz2/sha256/1mpah6kwqid1kxsj4rwqsniivqbrx231j65v51yncx6s0dch0dch"
404 "Not Found"
failed to download "/tmp/harfbuzz-old.tar.bz2" from
"https://ci.guix.gnu.org/file/harfbuzz-2.4.0.tar.bz2/sha256/1mpah6kwqid1kxsj4rwqsniivqbrx231j65v51yncx6s0dch0dch"
guix download: error: open-file: No such file or directory:
"/tmp/harfbuzz-old.tar.bz2"
--8<---------------cut here---------------end--------------->8---



Cheers,
simon

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