$ git clone -n https://gitee.com/src-opencloudos-rpms/libdrm.git /var/lib/mock/dist-oc8-build-120279-71137/root/chroot_tmpdir/scmroot/libdrm
Cloning into '/var/lib/mock/dist-oc8-build-120279-71137/root/chroot_tmpdir/scmroot/libdrm'...
$ git fetch origin 6d4c83355e05ca18f62df682718bcdd7326ba210:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libdrm
 * [new ref]         6d4c83355e05ca18f62df682718bcdd7326ba210 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d4c833 import libdrm-2.4.115-2.tl3