Add script to clean up old Gradle modules

tooling/cleanup-gradle-module.sh

@@ -0,0 +1,65 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Usage: cleanup-gradle-module.sh [--backup]
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+ROOT_DIR="$(dirname "$SCRIPT_DIR")"
+BACKUP_MODE=0
+BACKUP_DIR="$SCRIPT_DIR/backup"
+
+# Parse arguments
+while [[ $# -gt 0 ]]; do
+  case $1 in
+    --backup)
+      BACKUP_MODE=1
+      shift
+      ;;
+    *)
+      echo "Usage: $0 [--backup]" >&2
+      exit 1
+      ;;
+  esac
+done
+
+
+if [[ $BACKUP_MODE -eq 1 ]]; then
+  mkdir -p "$BACKUP_DIR"
+fi
+
+echo "Searching for old Gradle modules in $ROOT_DIR..."
+find "$ROOT_DIR" -type d | sort -r | while read -r dir; do
+  # Skip the root directory itself
+  [ "$dir" = "$ROOT_DIR" ] && continue
+  # Check if the directory contains only a 'build' directory
+  if [ -d "$dir/build" ]; then
+    # List all items except 'build'
+    OTHERS=$(find "$dir" -mindepth 1 -maxdepth 1 ! -name 'build')
+    if [ -z "$OTHERS" ]; then
+      if [[ $BACKUP_MODE -eq 1 ]]; then
+        # Move to backup dir, preserving relative path
+        RELATIVE_PATH="${dir#$ROOT_DIR/}"
+        DEST="$BACKUP_DIR/$RELATIVE_PATH"
+        mkdir -p "$(dirname "$DEST")"
+        mv "$dir" "$DEST"
+        echo "Moved to backup: $dir -> $DEST"
+      else
+        rm -rf "$dir"
+        echo "Removed: $dir"
+      fi
+    fi
+  fi
+done
+
+# At the end, if in backup mode and backup folder exists, prompt to remove it
+if [[ $BACKUP_MODE -eq 1 && -d "$BACKUP_DIR" ]]; then
+  read -r -p "Remove backup folder '$BACKUP_DIR'? [y/N] " confirm
+  case $confirm in
+    [yY][eE][sS]|[yY])
+      rm -rf "$BACKUP_DIR"
+      echo "Removed backup folder."
+      ;;
+    *)
+      echo "Backup folder retained at $BACKUP_DIR."
+      ;;
+  esac
+fi