$ git clone -n https://gitee.com/wency_cn/libdrm.git /var/lib/mock/dist-an23-build-492331-74553/root/chroot_tmpdir/scmroot/libdrm
Cloning into '/var/lib/mock/dist-an23-build-492331-74553/root/chroot_tmpdir/scmroot/libdrm'...
$ git fetch origin 4d4a675f9877a27ced951d69924f2bdaba878110:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libdrm
 * [new ref]         4d4a675f9877a27ced951d69924f2bdaba878110 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d4a675 Update code from upstream