#!/usr/bin/env bash
set -euo pipefail
REPO_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
OUTPUT_DIR="${OUTPUT_DIR:-$REPO_ROOT/slides}"
SLIDES_TITLE="${SLIDES_TITLE:-MakerFLOSS Slides}"
REPO_WEB_URL="${REPO_WEB_URL:-https://forgejo.makerfloss.eu/sjat/MakerFLOSS}"
mkdir -p "$OUTPUT_DIR"
# Wipe previously built slides so deleted/de-tagged .md files disappear.
find "$OUTPUT_DIR" -maxdepth 1 -name "*.html" -delete
# Find all markdown files with marp: true frontmatter
SLIDES=()
while IFS= read -r f; do
SLIDES+=("$f")
done < <(grep -rl "^marp: true" "$REPO_ROOT/docs" --include="*.md" 2>/dev/null || true)
if [ ${#SLIDES[@]} -eq 0 ]; then
echo "No marp presentations found in docs/."
exit 0
fi
echo "Found ${#SLIDES[@]} presentation(s):"
printf ' %s\n' "${SLIDES[@]}"
# Create temp output directory for Docker fallback
TEMP_OUTPUT=$(mktemp -d)
chmod 777 "$TEMP_OUTPUT"
trap "rm -rf '$TEMP_OUTPUT'" EXIT
if command -v marp &>/dev/null; then
for slide in "${SLIDES[@]}"; do
BASENAME=$(basename "${slide%.*}")
marp --html --output "$OUTPUT_DIR/${BASENAME}.html" "$slide"
done
else
echo "marp not found locally — using Docker (marpteam/marp-cli)..."
for slide in "${SLIDES[@]}"; do
REL_SLIDE="${slide#${REPO_ROOT}/}"
BASENAME=$(basename "${slide%.*}")
docker run --rm \
-v "$REPO_ROOT":/home/marp/app:ro \
-v "$TEMP_OUTPUT":/home/marp/output \
marpteam/marp-cli --html --output "/home/marp/output/${BASENAME}.html" "$REL_SLIDE"
done
cp "$TEMP_OUTPUT"/*.html "$OUTPUT_DIR/" 2>/dev/null || true
fi
# Inject mermaid.js into any HTML that contains mermaid code blocks.
# Marp emits fenced mermaid blocks as .
# The script finds those elements, replaces them with ,
# then loads and runs mermaid.js from CDN.
inject_mermaid() {
local html_file="$1"
python3 - "$html_file" << 'PYEOF'
import sys
path = sys.argv[1]
snippet = """\
"""
with open(path, encoding='utf-8') as f:
content = f.read()
new_content = content.replace('
', snippet + '\n', 1)
if new_content == content:
print(f"Warning: not found in {path}", file=sys.stderr)
sys.exit(1)
with open(path, 'w', encoding='utf-8') as f:
f.write(new_content)
PYEOF
}
if command -v python3 &>/dev/null; then
for html_file in "$OUTPUT_DIR"/*.html; do
[ -f "$html_file" ] || continue
if grep -q 'class="language-mermaid"' "$html_file"; then
inject_mermaid "$html_file"
echo " Injected mermaid.js into $(basename "$html_file")"
fi
done
else
echo "Warning: python3 not found — skipping mermaid injection"
fi
# Regenerate index.html listing every built deck.
INDEX="$OUTPUT_DIR/index.html"
{
printf '