Repository version check is only performed when
setup_git_directory() is called. This makes sure
setup_git_directory_gently() does the check too.
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com> Acked-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>