$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/scl-utils.git /var/lib/mock/dist-an7-build-33104-16169/root/chroot_tmpdir/scmroot/scl-utils
Cloning into '/var/lib/mock/dist-an7-build-33104-16169/root/chroot_tmpdir/scmroot/scl-utils'...
$ git reset --hard origin/a7
HEAD is now at 27678ca import scl-utils-20130529-19.el7.src.rpm