$ git clone -n https://src.fedoraproject.org/rpms/lua-expat.git /var/lib/mock/f40-build-777785-129515/root/chroot_tmpdir/scmroot/lua-expat
Cloning into '/var/lib/mock/f40-build-777785-129515/root/chroot_tmpdir/scmroot/lua-expat'...
$ git fetch origin a67c57e46260cb57a7efb282be0a91e18b4a8fb3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-expat
 * [new ref]         a67c57e46260cb57a7efb282be0a91e18b4a8fb3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a67c57e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild