$ git clone -n https://src.fedoraproject.org/rpms/python-jaraco-envs.git /var/lib/mock/f39-build-1430268-31712/root/chroot_tmpdir/scmroot/python-jaraco-envs
Cloning into '/var/lib/mock/f39-build-1430268-31712/root/chroot_tmpdir/scmroot/python-jaraco-envs'...
$ git fetch origin 6dd931e34ec6adb4ea4fd8efd13a76fcf1a8f4ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-jaraco-envs
 * [new ref]         6dd931e34ec6adb4ea4fd8efd13a76fcf1a8f4ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6dd931e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild