Re: [PATCH v4] promisor-remote: fix segfault when remote URL is missing

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Christian Couder <christian.couder@xxxxxxxxx> writes:

> While at it, let's warn and reject the remote, in the 'KnownUrl' case,
> when no URL or an empty URL is advertised by the server, or when an
> empty URL is configured on the client for a remote name advertised by
> the server and configured on the client. This is on par with a warning
> already emitted when URLs are different in the same case.

That explanation makes it unclear why we need a new one.  If the
configured and davertised are both empty and the same, according to
that "warning already emitted", that is not a warning-worthy event,
is it?

> Let's also warn if the remote is rejected because name and url are the
> same, as it could mean the url has not been configured.

Are we rejecting a remote _because_ r->name is used?  I thought the
code did something quite different.  We reject because the url does
not match, and then after that give an extra warning if remote nick
was used as a fallback URL.  Even if URL is configured as 'orogin'
for a remote with nick 'origin', the code would have rejected the
remote with the same logic in the same code path, wouldn't it?  It
is a bit confusiong to call such a situation "rejected because name
and URL are the same".

In any case, why do we want to keep these unconfigured remotes in
the list of candidate lop-remotes in the first place, and why do we
want to treat empty URLs as being so special, more special than say
a randomly misspelt URL?  I think I asked these questions on the
previous round and I do not think I saw them addressed at all in
this round.

Thanks.




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