$ git clone -n https://src.fedoraproject.org/rpms/kf6-knotifications.git /var/lib/mock/f40-build-788021-134983/root/chroot_tmpdir/scmroot/kf6-knotifications
Cloning into '/var/lib/mock/f40-build-788021-134983/root/chroot_tmpdir/scmroot/kf6-knotifications'...
$ git fetch origin 6890889699f1eac6aa3dca1ad97400c72c4b6fe3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-knotifications
 * [new ref]         6890889699f1eac6aa3dca1ad97400c72c4b6fe3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6890889 6.0.0