VERSION='7.3.8'
PYVER='2.7'

# https://www.pypy.org/checksums.html
aarch64_hash=ca1f8d3146c83002ee97615906b0930e821297dcce3063b5b28933a0690ef298
linux32_hash=7c84f173bbcd73d0eb10909259d11b5cc253d4c6ea4492e6da8f2532df9b3da5
linux64_hash=1f2e84fb539ffce233c34769d2f11647955f894be091e85419e05f48011e8940
osx64_hash=e5c1ff39ad9916ea23e3deb8012fe42367b6b19284cf13b1a1ea2b2f53a43add
s390x_hash=b4ae4e708ba84602d976ad6ae391ef2eef4b1896d831b8f2b2ec69927dd92014
win64_hash=806a29a6c5550b1e669d8870683d3379138d3d43eb1e07bdf26d65a0691265f2

### end of manual settings - following lines same for every download

function pypy_pkg_data {
    # pypy architecture
    local ARCH="${1}"

    local basesrc="pypy${PYVER}-${VERSION}-src"
    local basever="pypy${PYVER}-v${VERSION}"
    local baseurl="https://downloads.python.org/pypy/${basever}"

    # defaults
    local cmd='install_package'  # use bz2
    local pkg="${ARCH}" # assume matches
    local url="${baseurl}-${pkg}.tar.bz2" # use bz2
    local hash='' # undefined

    case "${pkg}" in
    'linux-aarch64' )
      hash="${aarch64_hash}"
      url="${baseurl}-aarch64.tar.bz2" # diff url
      ;;
    'linux' )
      hash="${linux32_hash}"
      pkg='linux32'  # package name revised
      url="${baseurl}-${pkg}.tar.bz2"  # new url
      ;;
    'linux64' )
      hash="${linux64_hash}"
      ;;
    'osx64' )
      if require_osx_version "10.13"; then
        hash="${osx64_hash}"
      else
        { echo
          colorize 1 "ERROR"
          echo ": The binary distribution of PyPy is not available for $(pypy_architecture 2>/dev/null || true), OS X < 10.13."
          echo "try '${basesrc}' to build from source."
          echo
        } >&2
        exit 1
      fi
      ;;
    's390x' )
      hash="${s390x_hash}"
      ;;
    'win64' )
      hash="${win64_hash}"
      cmd='install_zip'  # diff command
      url="${baseurl}-${pkg}.zip"  # zip rather than bz2
      ;;
    * )
      { echo
        colorize 1 "ERROR"
        echo ": The binary distribution of PyPy is not available for $(pypy_architecture 2>/dev/null || true)."
        echo "try '${basesrc}' to build from source."
        echo
      } >&2
      exit 1
      ;;
    esac

    # result - command, package dir, url+hash
    echo "${cmd}" "${basever}-${pkg}" "${url}#${hash}"
}

# determine command, package directory, url+hash
declare -a pd="$(pypy_pkg_data "$(pypy_architecture 2>/dev/null || true)")"

# install
${pd[0]} "${pd[1]}" "${pd[2]}" 'pypy' "verify_py${PYVER//./}" 'ensurepip'