$ git clone -n https://src.fedoraproject.org/rpms/rabbitmq-server.git /var/lib/mock/f41-build-side-1-2768865-32100/root/chroot_tmpdir/scmroot/rabbitmq-server
Cloning into '/var/lib/mock/f41-build-side-1-2768865-32100/root/chroot_tmpdir/scmroot/rabbitmq-server'...
$ git fetch origin e22256a780761276fc938894d4acdf8e649c3267:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rabbitmq-server
 * [new ref]         e22256a780761276fc938894d4acdf8e649c3267 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e22256a convert license to SPDX