VERSION='7.3.8'
PYVER='3.7'

# https://www.pypy.org/checksums.html
aarch64_hash=4fb2f8281f3aaca72e6fe62ecc5fc054fcc79cd061ca3e0eea730f7d82d610d4
linux32_hash=38429ec6ea1aca391821ee4fbda7358ae86de4600146643f2af2fe2c085af839
linux64_hash=409085db79a6d90bfcf4f576dca1538498e65937acfbe03bd4909bdc262ff378
osx64_hash=76b8eef5b059a7e478f525615482d2a6e9feb83375e3f63c16381d80521a693f
s390x_hash=5c2cd3f7cf04cb96f6bcc6b02e271f5d7275867763978e66651b8d1605ef3141
win64_hash=96df67492bc8d62b2e71dddf5f6c58965a26cac9799c5f4081401af0494b3bcc

### 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'