From: Junio C Hamano <gitster@pobox.com>
Date: Sat, 15 Dec 2012 19:36:33 GMT
Subject: Re: [PATCH] git.c: add --index-file command-line option.
Message-ID: <7vliczrttq.fsf@alter.siamese.dyndns.org>
In-Reply-To: <50CCC73B.3070802@gmail.com>

Manlio Perillo <manlio.perillo@gmail.com> writes:

> Il 15/12/2012 19:02, Junio C Hamano ha scritto:
>> Manlio Perillo <manlio.perillo@gmail.com> writes:
>> 
>>> Unlike other environment variables (e.g. GIT_WORK_TREE,
>>> GIT_NAMESPACE), it was not possible to set the GIT_INDEX_FILE
>>> environment variable using the command line.
>> 
>> Is this necessary?  I'd prefer to see a better reason than "just
>> because others have it".
>
> A long running program will be able to tell git to use an alternate
> index file, without having to modify its own environment,...

Hrm, isn't that the single-shot environment export syntax

	GIT_INDEX_FILE=foo git blah

is for?  Is there a real-world need for this?