$ git clone -n https://src.fedoraproject.org/rpms/qt6-qtlanguageserver.git /var/lib/mock/f41-build-861319-169699/root/chroot_tmpdir/scmroot/qt6-qtlanguageserver
Cloning into '/var/lib/mock/f41-build-861319-169699/root/chroot_tmpdir/scmroot/qt6-qtlanguageserver'...
$ git fetch origin b40fb52c9a1427da8a051d2e64b98a0f1ecce973:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qt6-qtlanguageserver
 * [new ref]         b40fb52c9a1427da8a051d2e64b98a0f1ecce973 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b40fb52 6.8.0