$ git clone -n https://src.fedoraproject.org/rpms/baloo.git /var/lib/mock/f41-build-762768-13458/root/chroot_tmpdir/scmroot/baloo
Cloning into '/var/lib/mock/f41-build-762768-13458/root/chroot_tmpdir/scmroot/baloo'...
$ git fetch origin 6f56b6e65dddf0ee959f408d4aadad472b963ce6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/baloo
 * [new ref]         6f56b6e65dddf0ee959f408d4aadad472b963ce6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f56b6e Eliminate use of obsolete %patchN syntax (#2283636)