action.yml

---

name: 'Render J2 Template'
description: 'Renders a J2 Template'

inputs:
  template:
    description: 'The path to the template file to render'
    required: true
  data:
    description: 'The path to the file with data to pass to the render'
    required: false
    default: ''
  format:
    description: 'The format the data file will be in'
    required: false
    default: ''
  env_vars:
    description: |
      The environment variables to pass to the render.  Each environment
      variable should be in format VAR=VAL with one on each line.

      Example:
        env_vars: |
          FOO=bar
          BAR=baz
    required: false
    default: ''
  filters:
    description: 'Load custom Jinja2 filters from a Python file: all top-level functions are imported.'
    required: false
    default: ''
  tests:
    description: 'Load custom Jinja2 tests from a Python file.'
    required: false
    default: ''
  customize:
    description: 'A Python file that implements hooks to fine-tune the j2cli behavior'
    required: false
    default: ''
  undefined:
    description: 'If true, undefined variables will be used in templates (no error will be raised)'
    required: false
    default: 'false'
  output:
    description: 'The name of the output file to write rendered contents to'
    required: false
    default: output
  debug:
    description: 'If true, sets -x in the shell command'
    required: false
    default: 'false'

outputs:
  file:
    description: 'The file the rendered content was written to'
    value: ${{ steps.render.outputs.file }}
  content:
    description: 'The rendered content'
    value: ${{ steps.render.outputs.content }}

runs:
  using: 'composite'
  steps:
    - name: 'Setup python'
      uses: actions/setup-python@v4
      with:
        python-version-file: ${{ github.action_path }}/.python-version

    - name: 'Cache python dependencies'
      uses: actions/cache@v3
      with:
        path: ~/.cache/pip
        key: ${{ runner.os }}-pip-${{ hashFiles(join(fromJSON('["${{ github.action_path }}", "requirements.txt"]'), '/')) }}
        restore-keys: ${{ runner.os }}-pip-

    - name: 'Install dependencies'
      shell: bash
      run: pip install -r "${{ github.action_path }}/requirements.txt"

    - name: 'Render'
      id: render
      shell: bash
      run: "${{ github.action_path }}/src/render.sh"
      env:
        TEMPLATE: ${{ inputs.template }}
        DATA: ${{ inputs.data }}
        FORMAT: ${{ inputs.format }}
        ENV_VARS: ${{ inputs.env_vars }}
        FILTERS: ${{ inputs.filters }}
        TESTS: ${{ inputs.tests }}
        CUSTOMIZE: ${{ inputs.customize }}
        UNDEFINED: ${{ inputs.undefined }}
        OUTPUT: ${{ inputs.output }}
        DEBUG: ${{ inputs.debug }}