Bug#920482: apt update fails to update from repository missing optional Contents files
On Sat, Jan 26, 2019 at 12:39:16PM +1100, Andrew Worsley wrote:
> Package: apt
> Version: 1.8.0~alpha3.1
> Severity: important
>
>
> I maintain a mirror via a local python script which doesn't bother to cache the optional
> Contents files as described in
> https://wiki.debian.org/DebianRepository/Format#A.22Contents.22_indices :
>
> "They are optional indices describing which files can be found in which packages"
>
> But whilst my debian stretch box happily upgrades my stretch mirror my buster
> mirror is no longer wanting to upgrade my testing box.
>
> If I add a URL for my mirror and an official mirror ftp.au.debian.org and do an update
> it appears to fail to update from my mirror complaining about the missing Contents file:
I think that's correct. While the Contents files are optional; if the Release file advertises
them, they better be there.
Partial mirroring is simply not supported - if you advertise it, ship it. I mean, the same
applies to architectures or sections: If they're not mirrored, but enabled on a client,
they will fail as well.
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