Re: Slightly embarassing bug in error message when RSA key doesn't match.

From: Jeff King <peff@peff.net>
Date: Jan 25, 2024, 18:12 UTC
Message-ID: <20240125181218.GB54488@coredump.intra.peff.net>
In-Reply-To: <CAMbH6s90tNo1Kz3xuv741LoUkN=Y3Bcw2=7yGQhEe=xrgBgQcw@mail.gmail.com>

On Thu, Jan 25, 2024 at 10:37:15AM -0600, Peter da Silva wrote:

Show 10 quoted lines

> Warning: the ECDSA host key for 'github.com' differs from the key for
> the IP address '140.82.113.3'
> Offending key for IP in /[...]/.ssh/known_hosts:8
> Matching host key in /[...]/.ssh/known_hosts:18
> 
> Of course it was the RSA key that had changed, and known_hosts:8 was
> an RSA key, but the error said the ECDSA key was wrong. After removing
> the bogus RSA key from the file it worked fine with the matching ECDSA
> key. This error should probably report the correct type for the key
> that is wrong rather than the key it’s trying to use. :)

This comes from your ssh client, not Git itself (of course Git is calling the ssh client under the hood, but we can't fix their messages).

-Peff