From: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Date: Fri, 23 Mar 2018 15:55:23 +0000 (+0100)
Subject: repository.h: add comment and clarify repo_set_gitdir
X-Git-Tag: v2.18.0-rc0~158^2
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/00a3da2a131a3e122df7e053d992fbc1735bf4f9?ds=inline;hp=00a3da2a131a3e122df7e053d992fbc1735bf4f9

repository.h: add comment and clarify repo_set_gitdir

The argument name "optional" may mislead the reader to think this
option could be NULL. But it can't be. While at there, document a bit
more about struct set_gitdir_args.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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