# NOTE: Do not rely on `make` commands here as this action is used across different repos
# where the Makefile will not be available
name: 'python setup'
description: 'Configures python, pip, and configures pip cache dir as output.'

inputs:
  workdir:
    description: 'Directory where the sentry source is located'
    required: false
    default: '.'
  cache-files-hash:
    description: 'A single hash for a set of files. Used for caching.'
    required: false
    default: ${{ hashFiles('requirements-*.txt') }}
  pip-cache-version:
    description: 'pip cache version in order to bust cache'
    required: false
  python-version:
    description: 'python version to install'
    required: false

outputs:
  python-version:
    description: 'The version of python we are using'
    value: ${{ steps.python-version.outputs.python-version }}
  pip-cache-dir:
    description: 'Path to pip cache'
    value: ${{ steps.pip-info.outputs.pip-cache-dir }}
  pip-version:
    description: 'Pip version'
    value: ${{ steps.pip-info.outputs.pip-version }}

runs:
  using: 'composite'
  steps:
    - name: Set python version output
      id: python-version
      shell: bash
      run: |
        if [ "${{ inputs.python-version }}" == "" ]; then
          echo "::set-output name=python-version::$(cat .python-version)"
        else
          echo "::set-output name=python-version::${{ inputs.python-version }}"
        fi

    - name: Setup default environment variables
      shell: bash
      run: |
        echo "PIP_DISABLE_PIP_VERSION_CHECK=on" >> $GITHUB_ENV

    - uses: actions/setup-python@v2
      env:
        PIP_DISABLE_PIP_VERSION_CHECK: on
      with:
        python-version: ${{ steps.python-version.outputs.python-version }}

    - name: Get pip cache dir & version
      id: pip-info
      shell: bash
      env:
        WORKDIR: ${{ inputs.workdir }}
      # pip versions before 20.1 do not have `pip cache`, `make upgrade-pip` ensures that version as a minimum
      run: |
        source "$WORKDIR/scripts/lib.sh" && upgrade-pip
        echo "::set-output name=pip-cache-dir::$(pip cache dir)"
        echo "::set-output name=pip-version::$(pip -V | awk -F ' ' '{print $2}')"

    - name: pip cache
      uses: actions/cache@v3
      with:
        path: ${{ steps.pip-info.outputs.pip-cache-dir }}
        key: |
          ${{ runner.os }}-py${{ steps.python-version.outputs.python-version }}-pip${{ steps.pip-info.outputs.pip-version }}-${{ inputs.pip-cache-version }}-${{ inputs.cache-files-hash }}