$ git clone -n https://src.fedoraproject.org/rpms/python-rfc3339-validator.git /var/lib/mock/f40-build-2303451-56952/root/chroot_tmpdir/scmroot/python-rfc3339-validator
Cloning into '/var/lib/mock/f40-build-2303451-56952/root/chroot_tmpdir/scmroot/python-rfc3339-validator'...
$ git fetch origin 782407de93cc0dc451ea76e73ea1aca669cf7b2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rfc3339-validator
 * [new ref]         782407de93cc0dc451ea76e73ea1aca669cf7b2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 782407d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild