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 "$(pypy_architecture 2>/dev/null || true)" in
"linux" )
  require_distro "Ubuntu 10.04" || true
  install_package "pypy-2.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.1-linux.tar.bz2#dd6b4f4f52ab1bebe30b32dc4085757a" "pypy" verify_py27
  ;;
"linux-armel" )
  require_distro "Ubuntu 12.04" || true
  install_package "pypy-2.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.1-linux-armel.tar.bz2#48cdb54c54153d219670a8a56364e9cb" "pypy" verify_py27
  ;;
"linux-armhf" )
  if [[ "$(cat /etc/issue 2>/dev/null || true)" == "Raspbian"* ]]; then
    install_package "pypy-2.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.1-linux-armhf-raspbian.tar.bz2#56de3739f73072dfd53c7249dd04603a" "pypy" verify_py27
  else
    require_distro "Ubuntu 13.04" || true
    install_package "pypy-2.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.1-linux-armhf-raring.tar.bz2#563a97875c342459c277cdd567c83af8" "pypy" verify_py27
  fi
  ;;
"linux64" )
  require_distro "Ubuntu 12.04" || true
  install_package "pypy-2.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.1-linux64.tar.bz2#80ef61f3b1b15fd0bd94fa5cdf8a005f" "pypy" verify_py27
  ;;
"osx64" )
  install_package "pypy-2.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.1-osx64.tar.bz2#2a9b66d1511335183108428436fe4184" "pypy" verify_py27
  ;;
"win32" )
  # FIXME: never tested on Windows
  install_zip "pypy-2.1" "https://bitbucket.org/pypy/pypy/downloads/pypy-2.1-win32.zip#9943c7a008535c99fed6bbe1c5a22797" "pypy" verify_py27
  ;;
* )
  { echo
    colorize 1 "ERROR"
    echo ": The binary distribution of PyPy is not available for $(uname -s)-$(uname -m)."
    echo "try 'pypy-2.1-src' to build from soruce."
    echo
  } >&2
  exit 1
  ;;
esac

install_package "setuptools-3.3" "https://pypi.python.org/packages/source/s/setuptools/setuptools-3.3.tar.gz#87680a0eb0bb6f720d5e2d89ba67debc" python
install_package "pip-1.5.4" "https://pypi.python.org/packages/source/p/pip/pip-1.5.4.tar.gz#834b2904f92d46aaa333267fb1c922bb" python