$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/autoconf-archive.git /var/lib/mock/dist-an7-build-27218-15145/root/chroot_tmpdir/scmroot/autoconf-archive
Cloning into '/var/lib/mock/dist-an7-build-27218-15145/root/chroot_tmpdir/scmroot/autoconf-archive'...
$ git reset --hard origin/a7
HEAD is now at 4908c6e import autoconf-archive-2017.03.21-1.el7.src.rpm