$ git clone -n https://src.fedoraproject.org/rpms/lua-dbi.git /var/lib/mock/f45-build-17645-502/root/chroot_tmpdir/scmroot/lua-dbi
Cloning into '/var/lib/mock/f45-build-17645-502/root/chroot_tmpdir/scmroot/lua-dbi'...
$ git fetch origin 42444845bb25b909f55a66fb7226f80a9646dfde:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-dbi
 * [new ref]         42444845bb25b909f55a66fb7226f80a9646dfde -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4244484 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild