numerous updates

updates.d/95-cleanup.sh

@@ -8,3 +8,12 @@ if command -v paccache &>/dev/null; then
   sudo paccache -rk2
   sudo paccache -ruk0
 fi
+
+# Report packages that were installed as dependencies and are no longer needed.
+# Not removed automatically: some may be tools you use directly.
+ORPHANS="$(pacman -Qtdq 2>/dev/null)"
+if [ -n "$ORPHANS" ]; then
+  echo "Packages no longer needed by anything:"
+  echo "$ORPHANS" | sed 's/^/  /'
+  echo "To remove them: sudo pacman -Rns \$(pacman -Qtdq)"
+fi