$ git clone -n https://src.fedoraproject.org/rpms/lua-socket.git /var/lib/mock/f45-build-17696-503/root/chroot_tmpdir/scmroot/lua-socket
Cloning into '/var/lib/mock/f45-build-17696-503/root/chroot_tmpdir/scmroot/lua-socket'...
$ git fetch origin 88bd5dbd6e40413e2d21e583e935dc0f243493f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-socket
 * [new ref]         88bd5dbd6e40413e2d21e583e935dc0f243493f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88bd5db Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild