$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/libdvdread.git /var/lib/mock/dist-an7-build-31714-15791/root/chroot_tmpdir/scmroot/libdvdread
Cloning into '/var/lib/mock/dist-an7-build-31714-15791/root/chroot_tmpdir/scmroot/libdvdread'...
$ git reset --hard origin/a7
HEAD is now at c750f89 import libdvdread-5.0.3-3.el7.src.rpm