$ git clone -n https://gitee.com/src-anolis-epao/rabbitmq-server.git /var/lib/mock/dist-an8-epao-build-422387-72923/root/chroot_tmpdir/scmroot/rabbitmq-server
Cloning into '/var/lib/mock/dist-an8-epao-build-422387-72923/root/chroot_tmpdir/scmroot/rabbitmq-server'...
$ git fetch origin a8:KOJI_FETCH_HEAD
From https://gitee.com/src-anolis-epao/rabbitmq-server
 * [new branch]      a8         -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 849bee1 init upstream from version 3.13.0