GNU bug report logs - #63634
nar 404 leads to hard ‘guix substitute’ crash

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Message #25 received at 63634 <at> debbugs.gnu.org (full text, mbox):

From: Christopher Baines <mail <at> cbaines.net>
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 63634 <at> debbugs.gnu.org
Subject: Re: bug#63634: nar 404 leads to hard ‘guix substitute’ crash
Date: Mon, 22 May 2023 12:02:04 +0100

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Ludovic Courtès <ludo <at> gnu.org> writes:

> Simon Tournier <zimon.toutoune <at> gmail.com> skribis:
>
>> 2. &message:
> "https://bordeaux.guix.gnu.org/nar/zstd/sx6sr6cs1x8sf5jhgb65rcr1yxk1q75x-rust-base64-0.13.1.tar.xz:
> HTTP download failed: 404 (\"Not Found\")"
>
> Look:
>
> $ wget -qO- https://bordeaux.guix.gnu.org/sx6sr6cs1x8sf5jhgb65rcr1yxk1q75x.narinfo
> StorePath: /gnu/store/sx6sr6cs1x8sf5jhgb65rcr1yxk1q75x-rust-base64-0.13.1.tar.xz
> NarHash: sha256:0pynnlsiiq03h7ysfkzw53wkf6hfmplb63haz6bjqdc686rnf4q1
> NarSize: 49128
> References: 
> System: x86_64-linux
> Deriver: qcpzwblzpa2wprc4vwlm128bwckfj8rj-rust-base64-0.13.1.tar.xz.drv
> Signature: 1;bayfront;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
> URL: nar/lzip/sx6sr6cs1x8sf5jhgb65rcr1yxk1q75x-rust-base64-0.13.1.tar.xz
> Compression: lzip
> FileSize: 49781
>
> See? zstd’s gone!  This confirms my hypothesis.
>
> BTW, ‘guix publish’ has provisions to not compress already-compressed
> files, as in the case above.  We should really share code, Chris.

I'm not sure if this is what you have in mind regarding code sharing,
but I'll use compressed-file? from (guix utils) in the nar-herder to
avoid generating cached compressions for these kind of files in the
future.

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