$ git clone -n https://gitee.com/sys0613/protobuf.git /var/lib/mock/dist-an8.7-build-274523-64202/root/chroot_tmpdir/scmroot/protobuf
Cloning into '/var/lib/mock/dist-an8.7-build-274523-64202/root/chroot_tmpdir/scmroot/protobuf'...
$ git fetch origin 7a0026b7f29b3f1a3b4e059d716ad6a7890c3709:KOJI_FETCH_HEAD
From https://gitee.com/sys0613/protobuf
 * [new ref]         7a0026b7f29b3f1a3b4e059d716ad6a7890c3709 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a0026b update to protobuf-3.5.0-13.el8.src.rpm