$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/libdrm.git /var/lib/mock/dist-an7-build-31713-15791/root/chroot_tmpdir/scmroot/libdrm
Cloning into '/var/lib/mock/dist-an7-build-31713-15791/root/chroot_tmpdir/scmroot/libdrm'...
$ git reset --hard origin/a7
HEAD is now at ee7233f import libdrm-2.4.97-2.el7.src.rpm