$ git clone -n https://src.fedoraproject.org/rpms/lua-cyrussasl.git /var/lib/mock/f40-build-2296331-56382/root/chroot_tmpdir/scmroot/lua-cyrussasl
Cloning into '/var/lib/mock/f40-build-2296331-56382/root/chroot_tmpdir/scmroot/lua-cyrussasl'...
$ git fetch origin 686ce4ec4a11b3b704985e6f714b66c8ea17f09c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-cyrussasl
 * [new ref]         686ce4ec4a11b3b704985e6f714b66c8ea17f09c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 686ce4e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild