$ git clone -n https://src.fedoraproject.org/rpms/lua-lxc.git /var/lib/mock/f45-build-17668-502/root/chroot_tmpdir/scmroot/lua-lxc
Cloning into '/var/lib/mock/f45-build-17668-502/root/chroot_tmpdir/scmroot/lua-lxc'...
$ git fetch origin 3196d3652e40e6ac1eb2bda6ef43c8e24cbc19ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-lxc
 * [new ref]         3196d3652e40e6ac1eb2bda6ef43c8e24cbc19ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3196d36 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild