#!/bin/bash

if [ -z "$NPM_PACKAGE_TO_INSTALL" ]; then
  echo "Warning: NPM_PACKAGE_TO_INSTALL is not defined !"
  echo "Switching back to the default S2I behavior"
  exec "$STI_SCRIPTS_PATH/assemble"
fi

# Exit on any error
set -e

echo "---> Installing application from NPM ..."
npm install "$NPM_PACKAGE_TO_INSTALL"

# Trim package name (remove the version number)
package_name="${NPM_PACKAGE_TO_INSTALL%@*}"

echo "---> Generating symlinks ..."
for file in node_modules/$package_name/*; do
  from="$file"
  to="$(basename "$file")"

  # Avoid recursive loops
  if [ "$to" == "node_modules" ]; then
    continue
  fi

  echo " - $from => $to"
  ln -s "$from" "$to"
done

fix-permissions ./