pcs-api/.github/workflows/ccd-diff.yml at master · hmcts/pcs-api · GitHub

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name: Diff CCD definition

on:
  pull_request:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        target: [branch, master]
    steps:
      - uses: actions/setup-java@v5
        with:
          distribution: corretto
          java-version: 21

      - name: Checkout ${{ matrix.target }}
        uses: actions/checkout@v6
        with:
          ref: ${{ matrix.target == 'master' && 'master' || github.head_ref }}
          path: build/${{ matrix.target }}

      - name: Build CCD Config (${{ matrix.target }})
        run: ./gradlew generateCCDConfig
        working-directory: build/${{ matrix.target }}

      - uses: actions/upload-artifact@v6
        with:
          name: ${{ matrix.target }}
          path: build/${{ matrix.target }}/build/definitions/PCS

  report:
    permissions:
      pull-requests: write
    runs-on: ubuntu-latest
    needs: build
    steps:
      - uses: actions/setup-node@v6
        with:
          node-version: 24
      - uses: actions/download-artifact@v7
        with:
          name: branch
          path: build/branch
      - uses: actions/download-artifact@v7
        with:
          name: master
          path: build/master
      - name: Generate report
        id: ccd-diff
        run: |
          set -euo pipefail
          mkdir -p ccd-report
          npx -q @hmcts/ccd-diff build/master build/branch > ccd-report/ccd-diff-report.html
          SUMMARY_FILE="ccd-report/ccd-comment-summary.md"
          MAX_CHARS=65000
          REPORT_FILE="ccd-report/ccd-diff-report.html"
          TOTAL_CHARS=$(wc -c < "$REPORT_FILE")
          head -c $MAX_CHARS "$REPORT_FILE" > "$SUMMARY_FILE"
          if [ "$TOTAL_CHARS" -gt "$MAX_CHARS" ]; then
            printf '\n\n…(truncated)…\n' >> "$SUMMARY_FILE"
          else
            printf '\n' >> "$SUMMARY_FILE"
          fi
          {
            echo "report-dir=ccd-report"
            echo "report-path=$REPORT_FILE"
            echo "summary-path=$SUMMARY_FILE"
          } >> "$GITHUB_OUTPUT"
      - name: Upload HTML report
        uses: actions/upload-artifact@v6
        with:
          name: ccd-diff-report-${{ github.run_id }}
          path: ${{ steps.ccd-diff.outputs.report-path }}

      - name: Create or update CCD diff comment
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          SUMMARY_PATH: ${{ steps.ccd-diff.outputs.summary-path }}
          RUN_URL: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}?check_suite_focus=true
        run: |
          BODY_FILE="$(mktemp)"
          {
            printf '# CCD diff summary\n\n'
            printf '👉 Full report: %s\n\n' "$RUN_URL"
            cat "$SUMMARY_PATH"
          } > "$BODY_FILE"

          COMMENT_ID=$(gh pr view "$PR_NUMBER" --repo "$GITHUB_REPOSITORY" \
          --json comments \
          --jq '[.comments[]
          | select(.body | startswith("# CCD diff summary"))
          | .url | capture("#issuecomment-(?<id>[0-9]+)$").id][-1]')

          if [ -n "$COMMENT_ID" ]; then
              echo "📝 Updating existing CCD diff comment ($COMMENT_ID)"
              gh api repos/$GITHUB_REPOSITORY/issues/comments/$COMMENT_ID \
                -X PATCH -f body="$(cat "$BODY_FILE")"
            else
              echo "💬 Creating new CCD diff comment"
              gh pr comment "$PR_NUMBER" --repo "$GITHUB_REPOSITORY" --body-file "$BODY_FILE"
          fi