$ git clone -n https://gitee.com/alpha-wang/rabbitmq-server_2.git /var/lib/mock/dist-an8-epao-build-422354-72918/root/chroot_tmpdir/scmroot/rabbitmq-server_2
Cloning into '/var/lib/mock/dist-an8-epao-build-422354-72918/root/chroot_tmpdir/scmroot/rabbitmq-server_2'...
$ git fetch origin 6d5204b02415cae358440525247526915e15f8f6:KOJI_FETCH_HEAD
From https://gitee.com/alpha-wang/rabbitmq-server_2
 * [new ref]         6d5204b02415cae358440525247526915e15f8f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6d5204b init upstream from version 3.13.0