$ git clone -n https://src.fedoraproject.org/rpms/kf6-kconfigwidgets.git /var/lib/mock/f40-build-788036-134983/root/chroot_tmpdir/scmroot/kf6-kconfigwidgets
Cloning into '/var/lib/mock/f40-build-788036-134983/root/chroot_tmpdir/scmroot/kf6-kconfigwidgets'...
$ git fetch origin 13dc10cc0aa8c6daa5628328d07c5e9491115c10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kconfigwidgets
 * [new ref]         13dc10cc0aa8c6daa5628328d07c5e9491115c10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13dc10c 6.0.0