#!/bin/bash

set -e

if [ -n "${DISABLE_SOURCE_COMPRESSION}" ]; then
  exit 0
fi

if [ ! -d "${GOPATH}/src/github.com/mholt/caddy" ]; then
  echo "Tried to pack source when the source directory has been deleted." >&2
  exit 1
fi

(
  cd "${GOPATH}"
  mkdir -p "/usr/src"
  tar cJ -f "/usr/src/go.tar.xz" .
)

exec rm -r "${GOPATH}"