$ git clone -n https://src.fedoraproject.org/rpms/lldpd.git /var/lib/mock/f40-build-2228263-53074/root/chroot_tmpdir/scmroot/lldpd
Cloning into '/var/lib/mock/f40-build-2228263-53074/root/chroot_tmpdir/scmroot/lldpd'...
$ git fetch origin 45a2ef9188435e9a5471cb1b0dd43629b4450db8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lldpd
 * [new ref]         45a2ef9188435e9a5471cb1b0dd43629b4450db8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45a2ef9 Reapply C99 compatibility fix