$ git clone -n https://src.fedoraproject.org/rpms/kf6-knotifications.git /var/lib/mock/f40-build-774900-127918/root/chroot_tmpdir/scmroot/kf6-knotifications
Cloning into '/var/lib/mock/f40-build-774900-127918/root/chroot_tmpdir/scmroot/kf6-knotifications'...
$ git fetch origin 57d8139fbd3576b072643463dd999fc02a9f5df0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-knotifications
 * [new ref]         57d8139fbd3576b072643463dd999fc02a9f5df0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 57d8139 5.248.0