$ git clone -n https://src.fedoraproject.org/rpms/ants.git /var/lib/mock/f41-build-1120158-20264/root/chroot_tmpdir/scmroot/ants
Cloning into '/var/lib/mock/f41-build-1120158-20264/root/chroot_tmpdir/scmroot/ants'...
$ git fetch origin 12dc4eec0a12841589d55c3640e78d3b95cdf29b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ants
 * [new ref]         12dc4eec0a12841589d55c3640e78d3b95cdf29b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12dc4ee Eliminate use of obsolete %patchN syntax (#2283636)