$ git clone -n https://src.fedoraproject.org/rpms/docker-swarm.git /var/lib/mock/f38-build-side-42-init-devel-1086262-30027/root/chroot_tmpdir/scmroot/docker-swarm
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1086262-30027/root/chroot_tmpdir/scmroot/docker-swarm'...
$ git fetch origin 371e3467193792c8bbd7e13214a723792d8c6cfe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/docker-swarm
 * [new ref]         371e3467193792c8bbd7e13214a723792d8c6cfe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 371e346 Initial setup of the repo