From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 19 Sep 2014 18:38:40 +0000 (-0700)
Subject: Merge branch 'ta/config-add-to-empty-or-true-fix'
X-Git-Tag: v2.2.0-rc0~101
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4daf5c864348e8d2002b082d8ac484c650e395d4;p=git

Merge branch 'ta/config-add-to-empty-or-true-fix'

"git config --add section.var val" used to lose existing
section.var whose value was an empty string.

* ta/config-add-to-empty-or-true-fix:
  config: avoid a funny sentinel value "a^"
  make config --add behave correctly for empty and NULL values
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4daf5c864348e8d2002b082d8ac484c650e395d4