$ git clone -n https://gitee.com/wency_cn/libdrm_1770928633.git /var/lib/mock/dist-an23-build-514297-75110/root/chroot_tmpdir/scmroot/libdrm_1770928633
Cloning into '/var/lib/mock/dist-an23-build-514297-75110/root/chroot_tmpdir/scmroot/libdrm_1770928633'...
$ git fetch origin 23e842e6555a4bba2f12d03042148c22a80fef05:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libdrm_1770928633
 * [new ref]         23e842e6555a4bba2f12d03042148c22a80fef05 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23e842e Update code from upstream