docs.yml

name: Docs

on:
  push:
    branches:
      - master
  pull_request:
    types: [opened, synchronize, reopened, ready_for_review, labeled]
  merge_group:

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  preflight:
    uses: ./.github/workflows/reusable-preflight.yml

  test-doc:
    runs-on: ${{ needs.preflight.outputs.RUNNER }}
    needs: [preflight]
    container:
      image: ${{ needs.preflight.outputs.IMAGE }}
    steps:
      - uses: actions/checkout@v4
      - run: forklift cargo test --doc --workspace
        env:
          RUSTFLAGS: "-Cdebug-assertions=y -Dwarnings"

  build-rustdoc:
    runs-on: ${{ needs.preflight.outputs.RUNNER }}
    if: ${{ needs.preflight.outputs.changes_rust }}
    needs: [preflight]
    container:
      image: ${{ needs.preflight.outputs.IMAGE }}
    steps:
      - uses: actions/checkout@v4
      - run: forklift cargo doc --all-features --workspace --no-deps
        env:
          SKIP_WASM_BUILD: 1
          RUSTDOCFLAGS: "-Dwarnings --default-theme=ayu --html-in-header ./docs/sdk/assets/header.html --extend-css ./docs/sdk/assets/theme.css --html-after-content ./docs/sdk/assets/after-content.html"
      - run: rm -f ./target/doc/.lock
      - run: mv ./target/doc ./crate-docs
      - name: Inject Simple Analytics script
        run: |
          script_content="<script async defer src=\"https://apisa.parity.io/latest.js\"></script><noscript><img src=\"https://apisa.parity.io/latest.js\" alt=\"\" referrerpolicy=\"no-referrer-when-downgrade\" /></noscript>"
          docs_dir="./crate-docs"

          inject_simple_analytics() {
            find "$1" -name '*.html' | xargs -I {} -P "$(nproc)" bash -c 'file="{}"; echo "Adding Simple Analytics script to $file"; sed -i "s|</head>|'"$2"'</head>|" "$file";'
          }

          inject_simple_analytics "$docs_dir" "$script_content"
      - run: echo "<meta http-equiv=refresh content=0;url=polkadot_sdk_docs/index.html>" > ./crate-docs/index.html
      - uses: actions/upload-artifact@v4
        with:
          name: ${{ github.sha }}-doc
          path: ./crate-docs/
          retention-days: 1
          if-no-files-found: error

  build-implementers-guide:
    runs-on: ubuntu-latest
    container:
      image: paritytech/mdbook-utils:e14aae4a-20221123
      options: --user root
    steps:
      - uses: actions/checkout@v4
      - run: mdbook build ./polkadot/roadmap/implementers-guide
      - run: mkdir -p artifacts
      - run: mv polkadot/roadmap/implementers-guide/book artifacts/
      - uses: actions/upload-artifact@v4
        with:
          name: ${{ github.sha }}-guide
          path: ./artifacts/
          retention-days: 1
          if-no-files-found: error

  confirm-required-jobs-passed:
    runs-on: ubuntu-latest
    name: All docs jobs passed
    # If any new job gets added, be sure to add it to this array
    needs: [test-doc, build-rustdoc, build-implementers-guide]
    if: always() && !cancelled()
    steps:
      - run: |
          tee resultfile <<< '${{ toJSON(needs) }}'
          FAILURES=$(cat resultfile | grep '"result": "failure"' | wc -l)
          if [ $FAILURES -gt 0 ]; then
            echo "### At least one required job failed ❌" >> $GITHUB_STEP_SUMMARY
            exit 1
          else
            echo '### Good job! All the required jobs passed 🚀' >> $GITHUB_STEP_SUMMARY
          fi

  publish-rustdoc:
    if: github.ref == 'refs/heads/master'
    runs-on: ubuntu-latest
    environment: subsystem-benchmarks
    needs: [build-rustdoc, build-implementers-guide]
    steps:
      - uses: actions/checkout@v4
        with:
          ref: gh-pages
      - uses: actions/create-github-app-token@v1
        id: app-token
        with:
          app-id: ${{ secrets.POLKADOTSDK_GHPAGES_APP_ID }}
          private-key: ${{ secrets.POLKADOTSDK_GHPAGES_APP_KEY }}
      - name: Ensure destination dir does not exist
        run: |
          rm -rf book/
          rm -rf ${REF_NAME}
        env:
          REF_NAME: ${{ github.head_ref || github.ref_name }}
      - name: Download rustdocs
        uses: actions/download-artifact@v4
        with:
          name: ${{ github.sha }}-doc
          path: ${{ github.head_ref || github.ref_name }}
      - name: Download guide
        uses: actions/download-artifact@v4
        with:
          name: ${{ github.sha }}-guide
          path: /tmp
      - run: mkdir -p book
      - name: Move book files
        run: mv /tmp/book/html/* book/
      - name: Push changes to gh-pages
        env:
          TOKEN: ${{ steps.app-token.outputs.token }}
          APP_NAME: "paritytech-upd-ghpages-polkadotsdk"
          REF_NAME: ${{ github.head_ref || github.ref_name }}
          Green: "\e[32m"
          NC: "\e[0m"
        run: |
          echo "${Green}Git add${NC}"
          git add book/
          git add ${REF_NAME}/

          echo "${Green}git status | wc -l${NC}"
          git status | wc -l

          echo "${Green}Add new remote with gh app token${NC}"
          git remote set-url origin $(git config remote.origin.url | sed "s/github.com/${APP_NAME}:${TOKEN}@github.com/g")

          echo "${Green}Remove http section that causes issues with gh app auth token${NC}"
          sed -i.bak '/\[http/d' ./.git/config
          sed -i.bak '/extraheader/d' ./.git/config

          echo "${Green}Git push${NC}"
          git config user.email "ci@parity.io"
          git config user.name "${APP_NAME}"
          git commit --amend -m "___Updated docs" || echo "___Nothing to commit___"
          git push origin gh-pages --force