git-clone: exit early if repo isn't specified
git-clone without a repo isn't useful at all. print message and get out asap. This patch also move the variable 'local' to where other variables are initialized. Signed-off-by: NYasushi SHOJI <yashi@atmark-techno.com> Signed-off-by: NJunio C Hamano <junkio@cox.net>
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