fix: better default for python outdated deps check (allowed failure by default, see #24)

  stage: test

  image: ${CI_REGISTRY_IMAGE}:${CI_COMMIT_REF_NAME}

  variables:

    CHECK_ALL: "false"  # Set to true if you also want to check packages such as pip, setuptools and dependencies of your dependencies

    EXTRA_ARGS: ""

  script:

    - echo "CHECK_ALL=${CHECK_ALL}"

    - OUTDATED="$(pip list --outdated --format freeze)"

    - |

      if "${CHECK_ALL}" = "true"; then

      OUTDATED="$(pip list --outdated --format freeze)"

      if [ ! -z "${OUTDATED}" ]; then

        echo "[!] Your image has outdated packages:"

          pip list --outdated

        pip list --outdated ${EXTRA_ARGS}

        echo "These may not all be dependencies of your package, but these are shipped in your Docker image. Consider updating all packages by default."

        echo "If it still fails after updating, you may have a package requiring an outdated dependency. You may then ignore this outdated package."

        exit 1

      fi

      else

        OUTDATED_NOT_REQUIRED="$(pip list --outdated --format freeze --not-required)"

        if [ ! -z "${OUTDATED_NOT_REQUIRED}" ]; then

          echo "[!] Your image has outdated packages:"

          pip list --outdated --not-required

          exit 1

        fi

      fi

    - echo "[+] Well done! You're up to date."

  allow_failure: true