$ git clone -n https://src.fedoraproject.org/rpms/python-sphinx-removed-in.git /var/lib/mock/f40-build-2052554-49075/root/chroot_tmpdir/scmroot/python-sphinx-removed-in
Cloning into '/var/lib/mock/f40-build-2052554-49075/root/chroot_tmpdir/scmroot/python-sphinx-removed-in'...
$ git fetch origin 6ab89be0c280ba8e598bacb029d50b9bf92bfe4a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinx-removed-in
 * [new ref]         6ab89be0c280ba8e598bacb029d50b9bf92bfe4a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ab89be Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild