$ git clone -n https://src.fedoraproject.org/rpms/lua-moonscript.git /var/lib/mock/f45-build-17681-502/root/chroot_tmpdir/scmroot/lua-moonscript
Cloning into '/var/lib/mock/f45-build-17681-502/root/chroot_tmpdir/scmroot/lua-moonscript'...
$ git fetch origin 7ff54216697eabaa9fffa5e57a0947495e706acc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-moonscript
 * [new ref]         7ff54216697eabaa9fffa5e57a0947495e706acc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ff5421 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild