---
name: Install runtime
description: Install the required runtime and related base dependencies

inputs:
  python:
    description: "Install Python"
    default: "true"

outputs:
  python:
    description: "Resolved version"
    value: ${{ steps.get_version.outputs.python }}

runs:
  using: "composite"
  steps:
    - name: Determine version
      id: get_version
      shell: bash -eo pipefail {0}
      run: |
        python="$(grep -E '^requires-python\s*=\s*\"' pyproject.toml | sed -E 's/.*\"[^0-9]*([0-9]+\.[0-9]+).*/\1/' | head -n1)"
        if [ -z "$python" ]; then
          exit 1
        fi
        echo "python=${python}" >> "$GITHUB_OUTPUT"

    - name: Install Python
      if: ${{ inputs.python == 'true' }}
      uses: actions/setup-python@v6
      with:
        python-version: ${{ steps.get_version.outputs.python }}

    - name: Show tooling information
      shell: bash -eo pipefail {0}
      run: |
        set -x

        python --version