$ git clone -n https://src.fedoraproject.org/rpms/python-sphinx.git /var/lib/mock/f42-build-3161099-40896/root/chroot_tmpdir/scmroot/python-sphinx
Cloning into '/var/lib/mock/f42-build-3161099-40896/root/chroot_tmpdir/scmroot/python-sphinx'...
$ git fetch origin cca8be3e8b79774396c33358e6f94b08b955a07e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-sphinx
 * [new ref]         cca8be3e8b79774396c33358e6f94b08b955a07e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cca8be3 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild