$ git clone -n https://gitee.com/alpha-wang/rabbitmq-server_2.git /var/lib/mock/dist-an8-epao-build-422371-72923/root/chroot_tmpdir/scmroot/rabbitmq-server_2
Cloning into '/var/lib/mock/dist-an8-epao-build-422371-72923/root/chroot_tmpdir/scmroot/rabbitmq-server_2'...
$ git fetch origin 849bee1df9e5af07cddf5373b493ef85cb5ad55b:KOJI_FETCH_HEAD
From https://gitee.com/alpha-wang/rabbitmq-server_2
 * [new ref]         849bee1df9e5af07cddf5373b493ef85cb5ad55b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 849bee1 init upstream from version 3.13.0