#!/bin/bash

set +u

echo "--- :golang: Setting up Golang build environment"

if [[ ! -z "${BUILDKITE_GOLANG_IMPORT_PATH:-}" ]] && [[ "$BUILDKITE_GOLANG_IMPORT_PATH" != "" ]]; then
  NEW_GOPATH="$(pwd)/tmp/go"
  NEW_BUILD_CHECKOUT_PATH="$NEW_GOPATH/src/$BUILDKITE_GOLANG_IMPORT_PATH"

  # Create the regular GOPATH folders
  mkdir -p "$NEW_GOPATH/bin"
  mkdir -p "$NEW_GOPATH/src"

  # Create the /src/x.com/project/name path, and create a symlink of the
  # current build to that new directory
  mkdir -p "$NEW_BUILD_CHECKOUT_PATH"
  rm -rf "$NEW_BUILD_CHECKOUT_PATH"
  ln -s "$(pwd)" "$NEW_BUILD_CHECKOUT_PATH"

  export GOPATH=$NEW_GOPATH
  echo "New \$GOPATH is set to $NEW_GOPATH"
  echo "Build will now be at $NEW_BUILD_CHECKOUT_PATH"

  export BUILDKITE_BUILD_CHECKOUT_PATH=$NEW_BUILD_CHECKOUT_PATH
else
  echo "No \$BUILDKITE_GOLANG_IMPORT_PATH set, skipping..."
fi