docker extend build bash script working

_helper/select-containers.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+# Function to list all directories in the same directory as the helper script and allow the user to select multiple directories
+select_directories() {
+    # Get the directory where this script is located
+    local script_dir=$(dirname "$(realpath "$0")")
+
+    # Find all directories in the same directory as the helper script and get their basenames, excluding those starting with an underscore
+    local dir_list=$(find "$script_dir" -maxdepth 1 -type d -not -path '*/\.*' -not -path "$script_dir" -not -name '_*' | xargs -I {} basename {})
+
+    # Use fzf to allow the user to select multiple directories with checkboxes
+    local selected_dirs=$(echo "$dir_list" | fzf --multi --height 40% --layout=reverse --border --prompt="Select directories (TAB to toggle, ENTER to confirm): " --bind 'tab:toggle+down')
+
+    # Handle the case where no directory was selected
+    if [ -z "$selected_dirs" ]; then
+        echo "No directories selected. Exiting."
+        exit 1
+    fi
+
+    HLPR_CONTAINERS="$selected_dirs"
+}