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Date:   Sun, 15 Jan 2023 13:36:06 -0500
From:   Jeff King <peff@peff.net>
To:     Theodore Ts'o <tytso@mit.edu>
Cc:     Crls <kaploceh@gmail.com>, git@vger.kernel.org
Subject: Re: ctrl-z ignored by git; creates blobs from non-existent repos
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On Sun, Jan 15, 2023 at 10:45:19AM -0500, Theodore Ts'o wrote:

> > Expected: The same issue does not happen with other non-existent repos e.g.,
> > git clone git.zx2c4/ it returns the message of fatal repo not found
> 
> So what's going on is that github.com is not returning a non-existent
> repo error; it's prompting for a username/password, as _if_ the
> repository exists.  That's presumably to prevent disclosing
> information as to whether or not a private repository exists or not.

I can confirm that this is exactly the reason.

-Peff