install

#!/usr/bin/env bash

set -Eeuo pipefail

trap cleanup SIGINT SIGTERM ERR

cleanup() {
  trap - SIGINT SIGTERM ERR
  rm -rf "$ASDF_INSTALL_PATH"
  echo
  echo "Cleanup: Something went wrong!"
  echo
  echo "$(caller): ${BASH_COMMAND}"
}

semver_ge() {
  printf '%s\n%s\n' "$2" "$1" | sort --check=quiet --version-sort
}

install_poetry() {
  local install_type=$1
  local version=$2
  local install_path=$3

  # Ensure the installer will work even if the user has the
  # PIP_REQUIRE_VIRTUALENV variable set. Can be removed after this issue is
  # resolved: https://github.com/python-poetry/poetry/issues/4089
  unset PIP_REQUIRE_VIRTUALENV

  if [ "$install_type" != "version" ]; then
    fail "asdf-poetry supports release installs only"
  fi

  semver_ge "$ASDF_INSTALL_VERSION" 1.2.0 && vercomp="ge" || vercomp="lt"

  if [ $vercomp == "ge" ]; then
    install_url="https://raw.githubusercontent.com/python-poetry/poetry/master/install-poetry.py"
    curl -sSL "$install_url" | POETRY_HOME=$install_path python3 - --version "$version"
  else
    install_url="https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py"
    curl -sSL "$install_url" | POETRY_HOME=$install_path python3 - --version "$version" --no-modify-path
  fi
}

install_poetry "$ASDF_INSTALL_TYPE" "$ASDF_INSTALL_VERSION" "$ASDF_INSTALL_PATH"