after_use_bundler

#!/usr/bin/env bash

BUNDLER_BIN_PATH=""

# see BUNDLE_BIN is set in the current directories .bundle/config
if grep BUNDLE_BIN .bundle/config >/dev/null 2>/dev/null
  then
  BUNDLER_BIN_PATH=$(grep BUNDLE_BIN .bundle/config | cut -d ' ' -f 2 -)
  # Expand the bundler stub path
  eval BUNDLER_BIN_PATH=$BUNDLER_BIN_PATH
  if [[ $path[1] == $BUNDLER_BIN_PATH ]]
    then
    # Already there
    echo Already on path
  else
    if [[ "${BUNDLER_BIN_PATH}" =~ "^$PWD" ]]
      then
      # Prompt the user before adding a bin directory in the current (project) directory to the path
      echo -n "The bundler binstubs directory is in the current directory, this may be unsafe. Are you sure you want to add it to the path(Y/N)? "
      trusted=0
      while (( ! trusted ));do
        printf "%s" '  Yes or No: [y/N]? '
        read response
        value="$(echo -n "${response}" | tr '[[:upper:]]' '[[:lower:]]' | __rvm_strip)"

        case "${value:-n}" in
          y|yes)
          trusted=1
          ;;
          n|no)
          break
          ;;
        esac
      done

      if (( trusted )); then
        export PATH=$BUNDLER_BIN_PATH:$PATH
        export LAST_BUNDLER_BIN_PATH=$BUNDLER_BIN_PATH
      fi
    else
      echo "Using bundler bin stubs in $BUNDLER_BIN_PATH" ## Helpful output
      export PATH=$BUNDLER_BIN_PATH:$PATH
      export LAST_BUNDLER_BIN_PATH=$BUNDLER_BIN_PATH
    fi
  fi
else
  # There is no BUNDLE_BIN setting
  if [[ -n "${LAST_BUNDLER_BIN_PATH}" ]]
    then
    export PATH
    PATH=":${PATH}:"
    PATH="${PATH//:${LAST_BUNDLER_BIN_PATH}:/:}"
    PATH="${PATH//::/:}"
    PATH="${PATH#:}"
    PATH="${PATH%:}"
  fi
fi