$ git clone -n https://src.fedoraproject.org/rpms/fxload.git /var/lib/mock/f41-build-1020791-18018/root/chroot_tmpdir/scmroot/fxload
Cloning into '/var/lib/mock/f41-build-1020791-18018/root/chroot_tmpdir/scmroot/fxload'...
$ git fetch origin ba7df3e1f23ded924332b0a6120b233c567d751c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fxload
 * [new ref]         ba7df3e1f23ded924332b0a6120b233c567d751c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ba7df3e Eliminate use of obsolete %patchN syntax (#2283636)