#!/bin/bash

if [[ -z ${ORIGINALGOPATH+x} ]]
then
  ORIGINALGOPATH="$GOPATH"
  ORIGINALPS1="$PS1"
  GOPATH="${PWD}/vendor:${PWD}:$ORIGINALGOPATH"
  PROJDIR="${PWD##*/}"
  PS1="${ORIGINALPS1}GO($PROJDIR)> "
  echo "Activating..."
  echo "GOPATH = $GOPATH"

  deactivate() {
    export GOPATH="$ORIGINALGOPATH"
    export PS1="$ORIGINALPS1"
    echo "Deactivating..."
    echo "GOPATH = $GOPATH"
    unset -v ORIGINALGOPATH
    unset -v ORIGINALPS1
    unset -f deactivate
  }
else
  echo "Already activated. You may deactivate"
fi