bug#46967: Connection reuse for substitutes breaks with gzip

[Ludovic Courtès]

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.

Ludo’.