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From:   Junio C Hamano <gitster@pobox.com>
To:     Matt McCutchen <matt@mattmccutchen.net>
Cc:     git@vger.kernel.org, Jeff King <peff@peff.net>
Subject: Re: [PATCH] fetch/push: document that private data can be leaked
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Date:   Mon, 14 Nov 2016 11:00:04 -0800
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Matt McCutchen <matt@mattmccutchen.net> writes:

>> Yup, and then "do not push to untrustworthy place without checking
>> what you are pushing", too?
>
> If there is no private data in the repository, then there is no need
> for the user to check what they are pushing. As I've indicated before,
> IMO manually checking each push would not be a workable security
> measure in the long term anyway.

Then what is?  Don't answer; this is a rhetorical question.

The answer is "do not push to untrustworthy place", if you are
unable to check what you are pushing.