action.yml

name: 'Validate GTFS feed with MD Validator'
description: 'Validate a GTFS feed using the canonical GTFS validator provided by MobilityData'
inputs:
  gtfs_path:
    required: true
    description: 'Path to the GTFS feed to validate'
  md_validator_version:
    required: false
    description: 'Version of the MobilityData validator to install'
    default: '5.0.1'
  validation_results_path:
    required: false
    description: 'Path to write the GTFS validation report'
    default: 'validation-results'
  java_version:
    required: false
    description: 'Version of Java to install'
    default: '17'
  node_version:
    required: false
    description: 'Version of NodeJS to install'
    default: '20'
runs:
  using: composite
  steps:
    - name: Set GitHub Path
      run: echo "$GITHUB_ACTION_PATH" >> $GITHUB_PATH
      shell: bash
      env:
        GITHUB_ACTION_PATH: ${{ github.action_path }}
    - uses: actions/setup-node@v4
      with:
        node-version: ${{ inputs.node_version }}
    - uses: actions/setup-java@v4
      with:
        distribution: "temurin" # See 'Supported distributions' for available options
        java-version: ${{ inputs.java_version }}
    - name: Get validator
      shell: bash
      run: |
        curl -sSL https://github.com/MobilityData/gtfs-validator/releases/download/v$MD_VALIDATOR_VERSION/gtfs-validator-$MD_VALIDATOR_VERSION-cli.jar -o gtfs-validator.jar
      env:
        MD_VALIDATOR_VERSION: ${{ inputs.md_validator_version }}
    - name: Run validator
      shell: bash
      run: |
        java -jar gtfs-validator.jar -i $GTFS_PATH -o $VALIDATION_RESULTS_PATH 
      env:
        GTFS_PATH: ${{ inputs.gtfs_path }}
        VALIDATION_RESULTS_PATH: ${{ inputs.validation_results_path }}
    - name: Check validation results
      shell: bash
      run: |
        node $GITHUB_ACTION_PATH/check-validation-results.mjs $VALIDATION_RESULTS_PATH/report.json $GITHUB_STEP_SUMMARY
      env:
        VALIDATION_RESULTS_PATH: ${{ inputs.validation_results_path }}
        GITHUB_ACTION_PATH: ${{ github.action_path }}