api_changes_check.yml

name: API changes check
on:
  pull_request_target:
    branches:
      - develop

env:
  API_DOC_HTML_ROOT_RELATIVE_PATH: autoapi

concurrency:
  group: ci-${{ github.head_ref }}-${{ github.workflow }}
  cancel-in-progress: true

jobs:
  call-build-api-doc:
    uses: ./.github/workflows/build_html_doc.yml
    with:
      ref: "refs/pull/${{ github.event.number }}/merge"
  compare-api-doc-with-develop:
    needs: call-build-api-doc
    runs-on: ubuntu-20.04
    permissions:
      issues: write
    steps:
      - name: Download built HTML doc as artifact from previous step
        uses: alehechka/download-tartifact@v2
        with:
          name: html_doc_artifact
      - name: Checkout latest doc_pages branch tip
        uses: actions/checkout@v3
        with:
          ref: doc_pages
          path: previous_doc_state
      - name: Get changed file names in API doc path
        id: diff
        run: |
          cd html_build/html/$API_DOC_HTML_ROOT_RELATIVE_PATH
          CHANGED_FILES=$(find . -name "*.html" -exec diff -qrBZ {} $GITHUB_WORKSPACE/previous_doc_state/$API_DOC_HTML_ROOT_RELATIVE_PATH/{} \;)
          echo ${CHANGED_FILES}
          CHANGED_FILES=$(echo $CHANGED_FILES | tr '\n' ' ')
          echo "changed_files=${CHANGED_FILES}" >> $GITHUB_OUTPUT
      - uses: actions/github-script@v6
        if: ${{ !(contains(steps.diff.outputs.changed_files, 'differ'))  && contains(github.event.pull_request.labels.*.name, 'API') }}
        with:
          github-token: ${{ secrets.ADD_LABELS_WITH_REST_API }}
          script: |
            github.rest.issues.removeLabel({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              name: "API"
            })
      - uses: actions/github-script@v6
        if: ${{ contains(steps.diff.outputs.changed_files, 'differ') }}
        with:
          github-token: ${{ secrets.ADD_LABELS_WITH_REST_API }}
          script: |
            github.rest.issues.addLabels({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: ["API"]
            })
      - name: Add release label
        uses: actions/github-script@v6
        if: ${{ contains(github.event.pull_request.base.ref, 'release_v') }}
        with:
          github-token: ${{ secrets.ADD_LABELS_WITH_REST_API }}
          script: |
            github.rest.issues.addLabels({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: ["release_target"]
            })