From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 31 May 2016 23:08:03 GMT
Subject: [BUG] git-submodule has bash-ism?
Message-ID: <xmqq1t4h3jxo.fsf@gitster.mtv.corp.google.com>

relative_path ()
{
	local target curdir result
	target=$1
	curdir=${2-$wt_prefix}

I am hoping that Stefan's "gradually rewrite things in C" will make
it unnecessary to worry about this one.  "git submodule" would not
work correctly on posixly correct shells in the meantime.