$ git clone -n https://src.fedoraproject.org/rpms/kf6-knotifications.git /var/lib/mock/f45-build-15086-468/root/chroot_tmpdir/scmroot/kf6-knotifications
Cloning into '/var/lib/mock/f45-build-15086-468/root/chroot_tmpdir/scmroot/kf6-knotifications'...
$ git fetch origin 869e9125c7222357ddfff18aab74a57be16c852f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-knotifications
 * [new ref]         869e9125c7222357ddfff18aab74a57be16c852f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 869e912 6.31.0