new xxclean xbps helper script

dot_local/bin/executable_xxclean

@@ -0,0 +1,37 @@
+#!/bin/sh
+
+set -e
+
+# Get current git branch
+branch=$(git rev-parse --abbrev-ref HEAD)
+
+# Construct path
+binpkgs_dir="$XBPS_DISTDIR/hostdir/binpkgs/${branch}"
+
+# Check if directory exists
+if [ ! -d "$binpkgs_dir" ]; then
+    echo "Error: Directory '$binpkgs_dir' does not exist"
+    exit 1
+fi
+
+echo "Cleaning old packages in: $binpkgs_dir"
+echo "Current branch: $branch"
+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)
+  # Keep only the first (newest), remove the rest
+  find "$binpkgs_dir" -maxdepth 1 -name "${pkg}-*.xbps" -type f -printf '%T@ %p\n' | \
+  sort -rn | \
+  tail -n +2 | \
+  cut -d' ' -f2- | \
+  while read -r old_pkg; do
+    echo "Removing: $(basename "$old_pkg")"
+    rm -f "$old_pkg"
+  done
+done
+
+xbps-rindex -c "$binpkgs_dir"
+
+echo "Done!"