$ git clone -n https://src.fedoraproject.org/rpms/lua-lgi.git /var/lib/mock/f45-build-17658-502/root/chroot_tmpdir/scmroot/lua-lgi
Cloning into '/var/lib/mock/f45-build-17658-502/root/chroot_tmpdir/scmroot/lua-lgi'...
$ git fetch origin 017ac2bd882043bacaa56b9abda6f5dba0ef61b3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-lgi
 * [new ref]         017ac2bd882043bacaa56b9abda6f5dba0ef61b3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 017ac2b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild