$ git clone -n https://src.fedoraproject.org/rpms/lua-sec.git /var/lib/mock/f45-build-17799-504/root/chroot_tmpdir/scmroot/lua-sec
Cloning into '/var/lib/mock/f45-build-17799-504/root/chroot_tmpdir/scmroot/lua-sec'...
$ git fetch origin 675b4e6744d403adcae50364636378c3915ccc83:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-sec
 * [new ref]         675b4e6744d403adcae50364636378c3915ccc83 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 675b4e6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild