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 "$(pypy_architecture 2>/dev/null || true)" in
"linux" )
  require_distro "Ubuntu 10.04" || true
  install_package "pypy-2.2.1-linux" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.2.1-linux.tar.bz2#86ef92a13faf309f4f413e35c01afcab" "pypy" verify_py27
  ;;
"linux-armel" )
  require_distro "Ubuntu 12.04" || true
  install_package "pypy-2.2.1-linux-armel" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.2.1-linux-armel.tar.bz2#0127094c36f985f6c2b4ed82be3fb6c8" "pypy" verify_py27
  ;;
"linux-armhf" )
  if [[ "$(cat /etc/issue 2>/dev/null || true)" == "Raspbian"* ]]; then
    install_package "pypy-2.2.1-linux-armhf-raspbian" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.2.1-linux-armhf-raspbian.tar.bz2#dcb1803b109a43b3a5b166bb1f7c4736" "pypy" verify_py27
  else
    require_distro "Ubuntu 13.04" || true
    install_package "pypy-2.2.1-linux-armhf-raring" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.2.1-linux-armhf-raring.tar.bz2#278e0ceb961bd0f49af53a01301601d4" "pypy" verify_py27
  fi
  ;;
"linux64" )
  require_distro "Ubuntu 12.04" || true
  install_package "pypy-2.2.1-linux64" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.2.1-linux64.tar.bz2#96732d12957fa3c8e58ded2939631e5f" "pypy" verify_py27
  ;;
"osx64" )
  install_package "pypy-2.2.1-osx64" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.2.1-osx64.tar.bz2#040cd25e95f62242c41e9d4e1e1c1166" "pypy" verify_py27
  ;;
"win32" )
  # FIXME: never tested on Windows
  install_zip "pypy-2.2.1-win32" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.2.1-win32.zip#213aacf7a06cd531c3457f1c5a73059c" "pypy" verify_py27
  ;;
* )
  { echo
    colorize 1 "ERROR"
    echo ": The binary distribution of PyPy is not available for $(uname -s)-$(uname -m)."
    echo "try 'pypy-2.2.1-src' to build from soruce."
    echo
  } >&2
  exit 1
  ;;
esac

install_package "setuptools-2.2" "https://pypi.python.org/packages/source/s/setuptools/setuptools-2.2.tar.gz#04a7664538957b832710653fd7d5b4e6" python
install_package "pip-1.5.4" "https://pypi.python.org/packages/source/p/pip/pip-1.5.4.tar.gz#834b2904f92d46aaa333267fb1c922bb" python