From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jonathan Nieder <jrnieder@gmail.com>
Subject: Re: feature request - implement a "GIT_AUTHOR_EMAIL" equivalent, but
 processed BEFORE .gitconfig
Date: Fri, 30 May 2014 11:27:46 -0700
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References: <5388CBA5.9030403@neulinger.org>
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Cc: git@vger.kernel.org, Jeff King <peff@peff.net>
To: Nathan Neulinger <nneul@neulinger.org>
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Hi,

Nathan Neulinger wrote:

> Right now, there isn't any way to have a systemwide profile script
> that tries to determine a better default for the user name/email
> values, such as in the case of shared logins. The best I've been
> able to do for now is use the 'EMAIL' var.

I wouldn't mind having a GIT_EMAIL envvar with the semantics you mean,
but can you say more about the use case?  What's wrong with the usual
EMAIL environment variable?

[...]
> [include]
>    path = !/usr/local/bin/gen-git-env

This is scary in terms of privilege escalation attacks.  ("Admin,
could you please take a look at this repo?  When I run 'git status',
...".)

That said, smudge/clean filters may have the same problem already.

Thanks,
Jonathan