fix some multi-package repo bugs

dot_local/bin/executable_xxclean

@@ -20,12 +20,11 @@ echo
 
 # Get unique package names (strip version info)
 for pkg in $(find "$binpkgs_dir" -maxdepth 1 -name '*.xbps' -type f -printf '%f\n' | sed 's/-[0-9].*//' | sort -u); do
-  # Find all versions of this package, sorted by modification time (newest first)
+  # Find all versions of this package, sorted by version (newest first)
   # Keep only the first (newest), remove the rest
-  find "$binpkgs_dir" -maxdepth 1 -name "${pkg}-*.xbps" -type f -printf '%T@ %p\n' | \
-  sort -rn | \
+  find "$binpkgs_dir" -maxdepth 1 -name "${pkg}-[0-9]*.xbps" -type f -printf '%p\n' | \
+  sort -rV | \
   tail -n +2 | \
-  cut -d' ' -f2- | \
   while read -r old_pkg; do
     echo "Removing: $(basename "$old_pkg")"
     rm -f "$old_pkg"