require_distro() {
  if [[ "$(cat /etc/issue 2>/dev/null || true)" != "$1"* ]]; then
    { echo
      colorize 1 "WARNING"
      echo ": The binary distribution of PyPy is built for $1."
      echo "installed binary may not run expectedly on other platforms."
      echo
    } >&2
    return 1
  fi
}

case "$(pypy_architecture 2>/dev/null || true)" in
"linux" )
  require_distro "Ubuntu 10.04" || true
  install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux.tar.bz2#8d11952e0356ea751321e7d2a1d4f17a" "pypy" verify_py27
  ;;
"linux64" )
  require_distro "Ubuntu 12.04" || true
  install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux64.tar.bz2#5c11d727579443d0834caadb4dfe53e3" "pypy" verify_py27
  ;;
"osx64" )
  install_package "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-linux.tar.bz2#e666450bcfbd936b016a2dd7312f9853" "pypy" verify_py27
  ;;
"win32" )
  # FIXME: never tested on Windows
  install_zip "pypy-2.0.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.0.1-win32.zip#4c40b19ea1ec5c8c8c2a1f94f59bdf02" "pypy" verify_py27
  ;;
* )
  { echo
    colorize 1 "ERROR"
    echo ": The binary distribution of PyPy is not available for $(pypy_architecture 2>/dev/null || true)."
    echo "try 'pypy-2.0.1-src' to build from soruce."
    echo
  } >&2
  exit 1
  ;;
esac

install_package "setuptools-3.6" "https://pypi.python.org/packages/source/s/setuptools/setuptools-3.6.tar.gz#8f3a1dcdc14313c8334eb6af4f66ea0a" python
install_package "pip-1.5.6" "https://pypi.python.org/packages/source/p/pip/pip-1.5.6.tar.gz#01026f87978932060cc86c1dc527903e" python