Fix developer guide cover rasterization #16
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| name: Build Developer Guide Docs | ||
| on: | ||
| pull_request: | ||
| types: [opened, synchronize, reopened, ready_for_review] | ||
| paths: | ||
| - 'docs/developer-guide/**' | ||
| - '.github/workflows/developer-guide-docs.yml' | ||
| release: | ||
| types: [published] | ||
| workflow_dispatch: | ||
| jobs: | ||
| build: | ||
| runs-on: ubuntu-latest | ||
| permissions: | ||
| contents: write | ||
| issues: write | ||
| pull-requests: write | ||
| actions: read | ||
| steps: | ||
| - name: Check out repository | ||
| uses: actions/checkout@v4 | ||
| - name: Determine publication metadata | ||
| run: | | ||
| set -euo pipefail | ||
| REV_DATE="$(date -u +%Y-%m-%d)" | ||
| VERSION="${GITHUB_HEAD_REF:-}" | ||
| if [ -z "$VERSION" ] && [ -n "${GITHUB_REF_NAME:-}" ]; then | ||
| VERSION="$GITHUB_REF_NAME" | ||
| fi | ||
| if [ -z "$VERSION" ] && [ -n "${GITHUB_SHA:-}" ]; then | ||
| VERSION="${GITHUB_SHA:0:7}" | ||
| fi | ||
| VERSION="${VERSION#v}" | ||
| if [ -z "$VERSION" ]; then | ||
| VERSION="UNKNOWN" | ||
| fi | ||
| if date -u -d "$REV_DATE" '+%B %-d, %Y' >/tmp/rev_human 2>/dev/null; then | ||
| REV_HUMAN_DATE="$(cat /tmp/rev_human)" | ||
| else | ||
| REV_HUMAN_DATE="$(date -u '+%B %-d, %Y')" | ||
| fi | ||
| echo "Developer guide workflow metadata:" >&2 | ||
| echo " REV_DATE=$REV_DATE" >&2 | ||
| echo " REV_NUMBER=$VERSION" >&2 | ||
| echo " REV_HUMAN_DATE=$REV_HUMAN_DATE" >&2 | ||
| { | ||
| echo "REV_DATE=$REV_DATE" | ||
| echo "REV_NUMBER=$VERSION" | ||
| echo "REV_HUMAN_DATE=$REV_HUMAN_DATE" | ||
| } >> "$GITHUB_ENV" | ||
| - name: Render publication cover artwork | ||
| run: | | ||
| set -euo pipefail | ||
| sudo apt-get update | ||
| sudo apt-get install -y --no-install-recommends librsvg2-bin | ||
| SOURCE="docs/developer-guide/book-cover.svg" | ||
| GENERATED_SVG="docs/developer-guide/book-cover.generated.svg" | ||
| GENERATED_PNG="docs/developer-guide/book-cover.generated.png" | ||
| cp "$SOURCE" "$GENERATED_SVG" | ||
| export GENERATED_SVG | ||
| python3 - <<'PY' | ||
| import os | ||
| import pathlib | ||
| import re | ||
| target = pathlib.Path(os.environ['GENERATED_SVG']) | ||
| text = target.read_text(encoding='utf-8') | ||
| rev = os.environ.get('REV_NUMBER', 'UNKNOWN') | ||
| date = os.environ.get('REV_HUMAN_DATE') or os.environ.get('REV_DATE', '') | ||
| replacement = f"Version {rev}" + (f" - {date}" if date else '') | ||
| new_text, count = re.subn(r'Version\s+[^<]+', replacement.strip(), text, count=1) | ||
| if count != 1: | ||
| raise RuntimeError('Could not find version text placeholder in cover artwork') | ||
| variables = { | ||
| name: value.strip() | ||
| for name, value in re.findall(r'--([\w-]+):\s*([^;]+);', new_text) | ||
| } | ||
| var_counter = {'count': 0} | ||
| def replace_var(match): | ||
| name = match.group(1) | ||
| value = variables.get(name) | ||
| if value is None: | ||
| return match.group(0) | ||
| var_counter['count'] += 1 | ||
| return value | ||
| new_text = re.sub(r'var\(--([\w-]+)\)', replace_var, new_text) | ||
| target.write_text(new_text, encoding='utf-8') | ||
| print(f"Injected cover legend: {replacement.strip()}") | ||
| print(f"Resolved {var_counter['count']} CSS variable references for rasterization") | ||
| PY | ||
| echo "Rasterizing cover artwork to ${GENERATED_PNG}" >&2 | ||
| rsvg-convert -w 2551 -h 3579 "$GENERATED_SVG" -o "$GENERATED_PNG" | ||
| ls -l "$GENERATED_PNG" | ||
| file "$GENERATED_PNG" | ||
| { | ||
| echo "COVER_IMAGE_ATTR=$(basename "$GENERATED_PNG")" | ||
| echo "GENERATED_COVER_IMAGE=$GENERATED_PNG" | ||
| echo "GENERATED_COVER_SVG=$GENERATED_SVG" | ||
| } >> "$GITHUB_ENV" | ||
| - name: Set up Ruby | ||
| uses: ruby/setup-ruby@v1 | ||
| with: | ||
| ruby-version: '3.1' | ||
| - name: Install Asciidoctor tooling | ||
| run: | | ||
| gem install --no-document asciidoctor asciidoctor-pdf | ||
| - name: Build Developer Guide HTML and PDF | ||
| run: | | ||
| set -euo pipefail | ||
| OUTPUT_ROOT="build/developer-guide" | ||
| HTML_BUILD_DIR="${OUTPUT_ROOT}/html" | ||
| PDF_BUILD_DIR="${OUTPUT_ROOT}/pdf" | ||
| PACKAGE_DIR="${OUTPUT_ROOT}/html-package" | ||
| COVER_IMAGE_ATTR_VALUE="${COVER_IMAGE_ATTR:-book-cover.svg}" | ||
| GENERATED_COVER_IMAGE="${GENERATED_COVER_IMAGE:-}" | ||
| GENERATED_COVER_SVG="${GENERATED_COVER_SVG:-}" | ||
| echo "Building with cover image attribute: ${COVER_IMAGE_ATTR_VALUE}" >&2 | ||
| mkdir -p "$HTML_BUILD_DIR" "$PDF_BUILD_DIR" | ||
| asciidoctor \ | ||
| -a revdate="$REV_DATE" \ | ||
| -a revnumber="$REV_NUMBER" \ | ||
| -a cover-image="$COVER_IMAGE_ATTR_VALUE" \ | ||
| -D "$HTML_BUILD_DIR" \ | ||
| -o developer-guide.html \ | ||
| docs/developer-guide/developer-guide.asciidoc | ||
| asciidoctor-pdf \ | ||
| -a revdate="$REV_DATE" \ | ||
| -a revnumber="$REV_NUMBER" \ | ||
| -a cover-image="$COVER_IMAGE_ATTR_VALUE" \ | ||
| -D "$PDF_BUILD_DIR" \ | ||
| -o developer-guide.pdf \ | ||
| docs/developer-guide/developer-guide.asciidoc | ||
| rm -rf "$PACKAGE_DIR" | ||
| mkdir -p "$PACKAGE_DIR" | ||
| if [ -n "$GENERATED_COVER_IMAGE" ] && [ -f "$GENERATED_COVER_IMAGE" ]; then | ||
| cp "$GENERATED_COVER_IMAGE" "$HTML_BUILD_DIR/$(basename "$GENERATED_COVER_IMAGE")" | ||
| fi | ||
| cp "$HTML_BUILD_DIR/developer-guide.html" "$PACKAGE_DIR/" | ||
| for asset_dir in docs/developer-guide/*; do | ||
| base_name="$(basename "$asset_dir")" | ||
| if [ -d "$asset_dir" ] && [ "$base_name" != "sketch" ]; then | ||
| cp -R "$asset_dir" "$PACKAGE_DIR/" | ||
| fi | ||
| done | ||
| if [ -n "$GENERATED_COVER_IMAGE" ] && [ -f "$GENERATED_COVER_IMAGE" ]; then | ||
| cp "$GENERATED_COVER_IMAGE" "$PACKAGE_DIR/$(basename "$GENERATED_COVER_IMAGE")" | ||
| fi | ||
| (cd "$PACKAGE_DIR" && zip -r "../developer-guide-html.zip" .) | ||
| if [ -n "$GENERATED_COVER_IMAGE" ] && [ -f "$GENERATED_COVER_IMAGE" ]; then | ||
| rm -f "$GENERATED_COVER_IMAGE" | ||
| fi | ||
| if [ -n "$GENERATED_COVER_SVG" ] && [ -f "$GENERATED_COVER_SVG" ]; then | ||
| rm -f "$GENERATED_COVER_SVG" | ||
| fi | ||
| - name: Upload HTML artifact | ||
| uses: actions/upload-artifact@v4 | ||
| with: | ||
| name: developer-guide-html | ||
| path: build/developer-guide/developer-guide-html.zip | ||
| if-no-files-found: error | ||
| - name: Upload PDF artifact | ||
| uses: actions/upload-artifact@v4 | ||
| with: | ||
| name: developer-guide-pdf | ||
| path: build/developer-guide/pdf/developer-guide.pdf | ||
| if-no-files-found: error | ||
| - name: Comment with artifact download links | ||
| if: ${{ github.event_name == 'pull_request' && !github.event.pull_request.head.repo.fork }} | ||
| uses: actions/github-script@v7 | ||
| with: | ||
| github-token: ${{ secrets.GITHUB_TOKEN }} | ||
| script: | | ||
| const marker = '<!-- developer-guide-artifacts -->'; | ||
| const { owner, repo } = context.repo; | ||
| const runId = context.runId; | ||
| const artifacts = await github.rest.actions.listWorkflowRunArtifacts({ | ||
| owner, | ||
| repo, | ||
| run_id: runId, | ||
| per_page: 100 | ||
| }); | ||
| const links = []; | ||
| for (const artifact of artifacts.data.artifacts) { | ||
| if (artifact.name === 'developer-guide-html') { | ||
| links.push(`- [Developer Guide HTML package](https://github.com/${owner}/${repo}/actions/runs/${runId}/artifacts/${artifact.id})`); | ||
| } | ||
| if (artifact.name === 'developer-guide-pdf') { | ||
| links.push(`- [Developer Guide PDF](https://github.com/${owner}/${repo}/actions/runs/${runId}/artifacts/${artifact.id})`); | ||
| } | ||
| } | ||
| if (!links.length) { | ||
| console.log('No artifacts found to report.'); | ||
| return; | ||
| } | ||
| const body = `${marker}\nDeveloper Guide build artifacts are available for download from this workflow run:\n\n${links.join('\n')}\n`; | ||
| const comments = await github.rest.issues.listComments({ | ||
| owner, | ||
| repo, | ||
| issue_number: context.issue.number, | ||
| per_page: 100 | ||
| }); | ||
| const existing = comments.data.find(comment => comment.body && comment.body.includes(marker)); | ||
| if (existing) { | ||
| await github.rest.issues.updateComment({ | ||
| owner, | ||
| repo, | ||
| comment_id: existing.id, | ||
| body | ||
| }); | ||
| } else { | ||
| await github.rest.issues.createComment({ | ||
| owner, | ||
| repo, | ||
| issue_number: context.issue.number, | ||
| body | ||
| }); | ||
| } | ||
| - name: Log skipped PR comment | ||
| if: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.repo.fork }} | ||
| run: echo "Skipping PR comment because the workflow run does not have permission to post on forked pull requests." | ||
| - name: Attach artifacts to release | ||
| if: ${{ github.event_name == 'release' && github.event.action == 'published' }} | ||
| uses: softprops/action-gh-release@v1 | ||
| with: | ||
| files: | | ||
| build/developer-guide/developer-guide-html.zip | ||
| build/developer-guide/pdf/developer-guide.pdf | ||
