$ git clone -n https://src.fedoraproject.org/rpms/aiksaurus.git /var/lib/mock/f41-build-1034197-18618/root/chroot_tmpdir/scmroot/aiksaurus
Cloning into '/var/lib/mock/f41-build-1034197-18618/root/chroot_tmpdir/scmroot/aiksaurus'...
$ git fetch origin 89579f8d7cc2165e18ccf0c7dd459eee7b4b2943:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/aiksaurus
 * [new ref]         89579f8d7cc2165e18ccf0c7dd459eee7b4b2943 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89579f8 Eliminate use of obsolete %patchN syntax (#2283636)