From: Junio C Hamano <gitster@pobox.com>
Date: Fri, 19 Sep 2014 18:38:38 +0000 (-0700)
Subject: Merge branch 'jc/parseopt-verify-short-name'
X-Git-Tag: v2.2.0-rc0~105
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/5dbdb3bed63ab1bb0b44a398322d736aafbeb841?hp=--cc

Merge branch 'jc/parseopt-verify-short-name'

Add checks for a common programming mistake to assign the same
short option name to two separate options to help developers.

* jc/parseopt-verify-short-name:
parse-options: detect attempt to add a duplicate short option name
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5dbdb3bed63ab1bb0b44a398322d736aafbeb841