Re: [PATCH] allow setting GIT_WORK_TREE to "no work tree"

From: Junio C Hamano <gitster@pobox.com>
Date: Feb 6, 2008, 20:54 UTC
Message-ID: <7v4pclvmae.fsf@gitster.siamese.dyndns.org>
In-Reply-To: <20080206110131.GA4167@coredump.intra.peff.net>

Jeff King <peff@peff.net> writes:

Show 21 quoted lines

> On Wed, Feb 06, 2008 at 11:42:15AM +0100, Johannes Sixt wrote:
>
>> > The special value is a blank GIT_WORK_TREE; it could be any
>> > value, but this should not conflict with any user values
>> > (and as a bonus, you can now tell git "I don't have a work
>> > tree" with "GIT_WORK_TREE= git", though I suspect the use
>> > case for that is limited).
>> 
>> Hrm. Unfortunately, on Windows there is no such thing as an empty
>> environment string. setenv(x, "") *removes* the environment variable.
>
> Bleh. Maybe "GIT_WORK_TREE=:"? It doesn't make sense by itself since we
> don't try to execute the contents of GIT_WORK_TREE, but it's unlikely to
> be used by a user, and I believe there was recent talk of making
> "GIT_EDITOR=:" work.
>
> The other option is setting
>
>   GIT_MAGICALLY_SET_GIT_DIR_SO_DONT_ACT_LIKE_THE_USER_DID=1
>
> but I was hoping to avoid that.

Yuck.  Let's then try your original (slightly redundant) one.