new: [myc-update] clean ``/tmp`` of spurious ``/tmp/launch_opts``

bin/myc-update

@@ -139,4 +139,11 @@ for script in /etc/myc-update/post.d/*.sh; do
 done
 
 
+if [[ -n "$(find /tmp -maxdepth 1 -type f -wholename /tmp/launch_opts-\* -ctime +3 -print -quit)" ]]; then
+    Wrap -d "Cleaning spurious /tmp/launch_opts-*" <<EOF || exit 1
+find /tmp -maxdepth 1 -type f -wholename /tmp/launch_opts-\* -ctime +3 -delete
+EOF
+fi
+
+
 printf "Update finished ${GREEN}successfully${NORMAL} ${GRAY}(in %.2fs)${NORMAL}.\n" "$((SECONDS - start))"