From: Jonathan Nieder <jrnieder@gmail.com>
Date: Wed, 02 Jun 2010 05:47:37 GMT
Subject: Re: [PATCH 4/5] t/t7006: ignore return status of shell's unset builtin
Message-ID: <20100602054737.GA9369@progeny.tock>
In-Reply-To: <Wt_M4qptcPdpY0Q3jqUbfMMZpuKZEHudj8tavRDS41LEhIuAY6Jac5ja0dD0ZRTTyKV_0v7MM6g@cipher.nrlssc.navy.mil>

Brandon Casey wrote:

> The unset builtin of Solaris's xpg4/sh returns non-zero if it is passed a
> variable name which was not previously set.

This is historical ksh behavior (only changed in 2009-01-14) even if
it violates SUSv2.  It probably comes up on a lot of platforms.
Thanks.

Acked-by: Jonathan Nieder <jrnieder@gmail.com>