bug#46967: Connection reuse for substitutes breaks with gzip

["Ludovic Courtès" <ludo@gnu.org>]

Bonface Munyoki K. <me@bonfacemunyoki.com> skribis:

> Ludovic Courtès <ludo@gnu.org> writes:
>
>> Ludovic Courtès <ludo@gnu.org> skribis:
>>
>>> Ludovic Courtès <ludo@gnu.org> skribis:
>>>
>>>> I decided to take a heavy-handed solution to that problem, which is to
>>>> augment Guile-zlib with an interface for gzip compression/decompression
>>>> not restricted to file ports (‘call-with-gzip-output-port’ & co. are
>>>> restricted to file ports):
>>>>
>>>>   https://notabug.org/guile-zlib/guile-zlib/commit/b899ac2fecf91475da1eba7e7b24708ea8b5fb73
>>>>
>>>> That way, we can change ‘decompressed-port’ in (guix utils) to perform
>>>> in-process decompression for ‘gzip’, like it does for zstd and lzip.
>>>
>>> Done in a04aef2430645357d7796969d4b6453478ff8a3f!
>>>
>>> I’ll update the ‘guix’ package so people on Guix System can get the fix,
>>> and then we can close this bug.
>>
>> Done in 8154beffd8c121e953a7c4cd75c3eebfcc073a9a, closing!
>>
>
> Very far fetched but could this be the cause of:
> https://lists.gnu.org/archive/html/help-guix/2021-03/msg00052.html?

Yes; their log shows:

--8<---------------cut here---------------start------------->8---
ice-9/boot-9.scm:1669:16: In procedure raise-exception:
Bad http-version header component: ¡_¨””8á—¯ñÿ
--8<---------------cut here---------------end--------------->8---

which is typical of this bug.

Ludo’.