$ git clone -n https://src.fedoraproject.org/rpms/lua-alt-getopt.git /var/lib/mock/f45-build-17606-501/root/chroot_tmpdir/scmroot/lua-alt-getopt
Cloning into '/var/lib/mock/f45-build-17606-501/root/chroot_tmpdir/scmroot/lua-alt-getopt'...
$ git fetch origin a0ddd639aa5190c4b43482e4a7bc21ff72ed24f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-alt-getopt
 * [new ref]         a0ddd639aa5190c4b43482e4a7bc21ff72ed24f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0ddd63 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild