$ git clone -n https://src.fedoraproject.org/rpms/fence-agents.git /var/lib/mock/f39-build-1666118-40769/root/chroot_tmpdir/scmroot/fence-agents
Cloning into '/var/lib/mock/f39-build-1666118-40769/root/chroot_tmpdir/scmroot/fence-agents'...
$ git fetch origin 4973d3d5e3b9955d28dc1f4c8532c3e2915a8bee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fence-agents
 * [new ref]         4973d3d5e3b9955d28dc1f4c8532c3e2915a8bee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4973d3d - new upstream release