validate.yaml

name: Validate
on: [push, pull_request_target, workflow_dispatch]
jobs:
  build:
    runs-on: ubuntu-latest
    env:
      DMFR_SCHEMA_VERSION: v0.6.0
    steps:
    - uses: actions/checkout@v6
      with:
        ref: ${{ github.event.pull_request.head.sha }}
        fetch-depth: 0

    # Only needed for fork PRs - security check
    - name: Security check for fork PRs
      if: ${{ github.event.pull_request.head.repo.full_name != github.repository }}
      run: |
        # Check if PR modifies .github or scripts directories
        if git diff --name-only ${{ github.event.pull_request.head.sha }} ${{ github.event.pull_request.base.sha }} | grep -q -E "^\.github/|^scripts/"; then
          echo "Error: PR contains changes to .github or scripts directories, which is not allowed for security reasons"
          exit 1
        fi
    - uses: astral-sh/setup-uv@v7
    - uses: actions/setup-node@v6
      with:
        node-version: '20.x'
    - name: Install transitland-lib
      run: scripts/install-transitland-lib.sh
    - name: Validate against DMFR schema
      run: |
        wget https://dmfr.transit.land/json-schema/dmfr.schema-${{ env.DMFR_SCHEMA_VERSION }}.json -O dmfr.schema.json
        npx ajv-cli validate -s dmfr.schema.json -d "feeds/*.json"
    - name: Lint against the opinionated DMFR format
      run: |
        transitland dmfr lint feeds/*.dmfr.json
    - name: Validate against transitland-lib
      env:
        DMFR_SCHEMA_VERSION: ${{ env.DMFR_SCHEMA_VERSION }}
      working-directory: scripts
      run: uv run validate-feeds.py