cmp-pdf-release.yml

name: Publish CMP PDF Release

on:
  push:
    tags:
      - 'cmp-v*'
  workflow_dispatch:
    inputs:
      tag:
        description: Existing CMP tag to build and publish, for example cmp-v1.0.0
        required: true
        type: string

permissions:
  contents: write

jobs:
  release:
    name: Build CMP PDF and publish release
    runs-on: ubuntu-latest
    env:
      CMP_TAG: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref_name }}

    steps:
      - name: Check out the tagged source
        uses: actions/checkout@v5
        with:
          ref: ${{ github.event_name == 'workflow_dispatch' && inputs.tag || github.ref }}

      - name: Set up Node.js
        uses: actions/setup-node@v5
        with:
          node-version: '24'
          cache: npm

      - name: Show project toolchain versions
        run: node --version && npm --version

      - name: Install dependencies and build site
        run: npm ci && npm run build

      - name: Start the static preview server
        run: |
          npm run preview -- --host 127.0.0.1 --port 4321 > /tmp/cmp-preview.log 2>&1 &
          echo $! > /tmp/cmp-preview.pid

          for attempt in {1..30}; do
            if curl --fail --silent --show-error http://127.0.0.1:4321/cmp/print/ > /dev/null; then
              exit 0
            fi
            sleep 1
          done

          cat /tmp/cmp-preview.log
          exit 1

      - name: Render the print edition to PDF
        run: |
          mkdir -p release
          PDF="release/Context-Minimization-Principle-${CMP_TAG}.pdf"

          google-chrome \
            --headless=new \
            --no-sandbox \
            --disable-gpu \
            --no-pdf-header-footer \
            --print-to-pdf="$PDF" \
            http://127.0.0.1:4321/cmp/print/

          test -s "$PDF"
          sha256sum "$PDF" > release/SHA256SUMS.txt

      - name: Create a draft release and attach publication files
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          if gh release view "$CMP_TAG" --json isDraft --jq '.isDraft' > /tmp/cmp-release-state 2> /dev/null; then
            if [ "$(cat /tmp/cmp-release-state)" = "false" ]; then
              echo "Release $CMP_TAG is already published; refusing to replace its archival files."
              exit 1
            fi
            gh release upload "$CMP_TAG" release/* --clobber
          else
            gh release create "$CMP_TAG" release/* \
              --draft \
              --title "Context Minimization Principle $CMP_TAG" \
              --generate-notes
          fi

      - name: Publish the GitHub release
        env:
          GH_TOKEN: ${{ github.token }}
        run: gh release edit "$CMP_TAG" --draft=false