$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/v4l-utils.git /var/lib/mock/dist-an7-build-30600-15526/root/chroot_tmpdir/scmroot/v4l-utils
Cloning into '/var/lib/mock/dist-an7-build-30600-15526/root/chroot_tmpdir/scmroot/v4l-utils'...
$ git reset --hard origin/a7
HEAD is now at a91ac13 import v4l-utils-0.9.5-4.el7.src.rpm