From: Junio C Hamano <gitster@pobox.com>
Date: Sat, 05 Sep 2015 20:17:35 GMT
Subject: Re: [PATCH 0/5] disallow test_when_finished in subshells
Message-ID: <CAPc5daX5w5yoRyp=Squdhi8nj87bb4zfqea-=wLyze6GhLPV+w@mail.gmail.com>
In-Reply-To: <20150905175756.GE27660@serenity.lan>

>> Isn't it just the matter of resetting the variable regardless of $BASH
>> (and ignoring
>> a possible refusal to do so under bash) at the beginning of the test, or do you
>> really have to rely on the value of $BASH and do things differently?
>
> Bash doesn't refuse to set it, it lets you update the value; I did think
> that it wouldn't update it if the user had overridden the value, but it
> looks like that was only because I had unset it first.  It seems that
> the variable is magic (autoincrementing in subshells and can only be set
> to integer values) but if you unset it then it becomes a normal
> variable.

Yes, resetting to =0 at the very beginning is what I have in mind.