$ git clone -n https://src.fedoraproject.org/rpms/hugin.git /var/lib/mock/f41-build-813573-148686/root/chroot_tmpdir/scmroot/hugin
Cloning into '/var/lib/mock/f41-build-813573-148686/root/chroot_tmpdir/scmroot/hugin'...
$ git fetch origin 9b75aa4713daaee9ca55e04876cd0384e0411fc4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hugin
 * [new ref]         9b75aa4713daaee9ca55e04876cd0384e0411fc4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b75aa4 Rebuilt for exiv2 0.28.2