$ git clone -n https://gitee.com/mgb01105731/protobuf_6.git /var/lib/mock/dist-an23.3-build-488021-74418/root/chroot_tmpdir/scmroot/protobuf_6
Cloning into '/var/lib/mock/dist-an23.3-build-488021-74418/root/chroot_tmpdir/scmroot/protobuf_6'...
$ git fetch origin e76ccdf6e1a5651bc8364dc624708ffc8b5262ab:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/protobuf_6
 * [new ref]         e76ccdf6e1a5651bc8364dc624708ffc8b5262ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e76ccdf downgrade to 25.1