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docs: drop the as-of date stamps from prose #165

docs: drop the as-of date stamps from prose

docs: drop the as-of date stamps from prose #165

Workflow file for this run

name: Update Preview PDF
on:
push:
branches:
- master
workflow_dispatch:
permissions: {}
concurrency:
group: preview-pdf
cancel-in-progress: true
jobs:
build:
permissions:
contents: read
runs-on: ubuntu-latest
timeout-minutes: 30
steps:
- name: Checkout
uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
with:
persist-credentials: false
- name: Install locked Node dependencies
env:
PUPPETEER_SKIP_DOWNLOAD: "true"
run: npm ci
- name: Check project rules and metadata
run: |
python3 check_project_rules.py
npm test
- name: Install Chromium
uses: browser-actions/setup-chrome@2e1d749697dd1612b833dba4a722266286fbefcd # v2.1.2
with:
chrome-version: stable
- name: Install CJK fonts and PDF inspection tools
run: |
sudo apt-get update
sudo apt-get install -y fonts-noto-cjk fonts-noto-cjk-extra poppler-utils
- name: Resolve latest mdPress release
run: |
url="$(curl -fsSL --retry 3 -o /dev/null -w '%{url_effective}' https://github.com/yeasy/mdPress/releases/latest)"
version="${url##*/v}"
test -n "$version" || { echo "could not resolve latest mdPress release"; exit 1; }
echo "MDPRESS_VERSION=$version" >> "$GITHUB_ENV"
echo "resolved mdPress $version"
- name: Install mdPress (checksum-verified)
run: |
archive="$RUNNER_TEMP/mdpress_${MDPRESS_VERSION}_linux_amd64.tar.gz"
curl -fsSL --retry 3 \
"https://github.com/yeasy/mdPress/releases/download/v${MDPRESS_VERSION}/mdpress_${MDPRESS_VERSION}_linux_amd64.tar.gz" \
-o "$archive"
expected="$(curl -fsSL --retry 3 "https://github.com/yeasy/mdPress/releases/download/v${MDPRESS_VERSION}/checksums.txt" \
| awk -v f="mdpress_${MDPRESS_VERSION}_linux_amd64.tar.gz" '$2==f {print $1}')"
test -n "$expected" || { echo "no published checksum for mdpress_${MDPRESS_VERSION}_linux_amd64.tar.gz"; exit 1; }
echo "${expected} $archive" | sha256sum -c -
tar xzf "$archive" -C "$RUNNER_TEMP" mdpress
mkdir -p "$RUNNER_TEMP/bin"
install -m 0755 "$RUNNER_TEMP/mdpress" "$RUNNER_TEMP/bin/mdpress"
echo "$RUNNER_TEMP/bin" >> "$GITHUB_PATH"
- name: Prepare PDF sources
run: python3 tools/prepare_pdf_sources.py --book-dir . --out "$RUNNER_TEMP/docker_practice-pdf-src"
- name: Build latest preview PDF
working-directory: ${{ runner.temp }}/docker_practice-pdf-src
run: |
# mdPress PDF generation drives headless Chrome, which intermittently dies with
# "websocket url timeout reached" + dbus errors. Retry the build, not the whole job.
mdpress() { local a; for a in 1 2 3; do command mdpress "$@" && return 0;
echo "::warning::mdpress attempt $a failed; retrying in 10s"; sleep 10; done; return 1; }
mkdir -p "$GITHUB_WORKSPACE/dist"
mdpress build --format pdf --output "$GITHUB_WORKSPACE/dist/docker_practice.pdf"
- name: Verify preview PDF
run: |
title=$(python3 -c 'import json; print(json.load(open("book.json", encoding="utf-8"))["title"])')
python3 tools/verify_artifacts.py \
--title "$title" \
--pdf dist/docker_practice.pdf \
--checksums dist/SHA256SUMS
(cd dist && sha256sum -c SHA256SUMS)
- name: Upload verified preview bundle
uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
with:
name: docker-practice-preview
path: dist/
if-no-files-found: error
publish:
permissions:
contents: write
needs: build
runs-on: ubuntu-latest
timeout-minutes: 15
env:
GH_TOKEN: ${{ github.token }}
GH_REPO: ${{ github.repository }}
steps:
- name: Download verified preview bundle
uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
with:
name: docker-practice-preview
path: dist
- name: Recheck preview checksum
run: (cd dist && sha256sum -c SHA256SUMS)
- name: Write release notes
run: |
cat > dist/release-notes.md <<EOF
Auto-updated preview PDF from \`${GITHUB_SHA::7}\`.
- Branch: \`${GITHUB_REF_NAME}\`
- Commit: https://github.com/${GITHUB_REPOSITORY}/commit/${GITHUB_SHA}
- Run: https://github.com/${GITHUB_REPOSITORY}/actions/runs/${GITHUB_RUN_ID}
This is a mutable preview without formal provenance. Use a tagged release for attested artifacts.
EOF
- name: Synchronize mutable preview tag
shell: bash
run: |
set -euo pipefail
if [[ ! "$GITHUB_REPOSITORY" =~ ^[A-Za-z0-9_.-]+/[A-Za-z0-9_.-]+$ ]]; then
echo "Invalid GITHUB_REPOSITORY: $GITHUB_REPOSITORY" >&2
exit 1
fi
if [[ ! "$GITHUB_SHA" =~ ^[0-9a-f]{40}$ ]]; then
echo "Invalid GITHUB_SHA" >&2
exit 1
fi
probe_dir=$(mktemp -d)
trap 'rm -rf "$probe_dir"' EXIT
set +e
gh api --include --method GET \
"repos/${GITHUB_REPOSITORY}/git/ref/tags/preview-pdf" \
>"$probe_dir/response" 2>"$probe_dir/error"
probe_rc=$?
set -e
http_status=$(awk '$1 ~ /^HTTP\// && $2 ~ /^[0-9][0-9][0-9]$/ { status=$2 } END { print status }' "$probe_dir/response")
if [[ $probe_rc -eq 0 && "$http_status" == "200" ]]; then
gh api --silent --method PATCH \
"repos/${GITHUB_REPOSITORY}/git/refs/tags/preview-pdf" \
--raw-field sha="$GITHUB_SHA" \
--field force=true
elif [[ $probe_rc -ne 0 && "$http_status" == "404" ]]; then
gh api --silent --method POST \
"repos/${GITHUB_REPOSITORY}/git/refs" \
--raw-field ref="refs/tags/preview-pdf" \
--raw-field sha="$GITHUB_SHA"
else
cat "$probe_dir/response" >&2
cat "$probe_dir/error" >&2
echo "Preview tag lookup failed (exit=$probe_rc, HTTP=${http_status:-unavailable}); refusing to mutate refs or releases." >&2
exit 1
fi
- name: Create or update preview release
shell: bash
run: |
set -euo pipefail
error_file=$(mktemp)
trap 'rm -f "$error_file"' EXIT
set +e
gh release view preview-pdf >/dev/null 2>"$error_file"
release_rc=$?
set -e
if [[ $release_rc -eq 0 ]]; then
gh release edit preview-pdf \
--title "Latest Preview PDF" \
--notes-file dist/release-notes.md \
--prerelease
elif [[ "$(tr -d '\r' < "$error_file")" == "release not found" ]]; then
gh release create preview-pdf \
--title "Latest Preview PDF" \
--notes-file dist/release-notes.md \
--prerelease \
--latest=false \
--verify-tag
else
cat "$error_file" >&2
echo "Preview release lookup failed (exit=$release_rc); refusing to create or edit the release." >&2
exit 1
fi
- name: Replace preview assets
run: |
gh release delete-asset preview-pdf latest.pdf -y || true
gh release upload preview-pdf \
dist/docker_practice.pdf \
dist/SHA256SUMS \
--clobber