$ git clone -n https://src.fedoraproject.org/rpms/kget.git /var/lib/mock/f39-build-2082466-49843/root/chroot_tmpdir/scmroot/kget
Cloning into '/var/lib/mock/f39-build-2082466-49843/root/chroot_tmpdir/scmroot/kget'...
$ git fetch origin e6f7c7913700ee79e3916c67fe6d35bb2bd1113e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kget
 * [new ref]         e6f7c7913700ee79e3916c67fe6d35bb2bd1113e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6f7c79 23.08.4