From: Junio C Hamano <gitster@pobox.com>
Date: Tue, 30 Sep 2014 05:10:25 +0000 (-0700)
Subject: Merge branch 'ta/config-add-to-empty-or-true-fix' into maint
X-Git-Tag: v2.1.2~2
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/102edda4dfa3f2119119c2b52c90a9337a03178f?ds=inline;hp=--cc

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

"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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102edda4dfa3f2119119c2b52c90a9337a03178f