.github/workflows/release-documentation.yml

name: Release Documentation and Man Pages

permissions:
  contents: read

on:
  workflow_dispatch:
    inputs:
      release-version:
        description: 'Release Version'
        required: true
        type: string
      upload:
        description: 'Upload documentation'
        required: false
        type: boolean

  workflow_call:
    inputs:
      release-version:
        description: 'Release Version'
        required: true
        type: string
      upload:
        description: 'Upload documentation'
        required: false
        type: boolean
    secrets:
      LLVMBOT_WWW_RELEASES_PUSH:
        description: "Secret used to push changes to llvmbot www-releases fork."
        required: false
      WWW_RELEASES_TOKEN:
        description: "Secret used to create a PR with the documentation changes."
        required: false

jobs:
  # This job checks permissions and validates inputs to prevent potential
  # malicious actions.  Since the release-documentation job has contents: write
  # permissions we need to be extra careful about who can run the job and what
  # inputs can be provided.
  release-man-pages-validate-input:
    name: Release Man Pages Validate Input
    runs-on: ubuntu-24.04
    environment:
      name: release
      deployment: false
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false
          sparse-checkout: |
            .github/workflows/

      - name: Check Permissions
        uses: ./.github/workflows/require-team-membership
        with:
          team-slug: llvm-release-managers
          LLVM_TOKEN_GENERATOR_CLIENT_ID: ${{ secrets.LLVM_TOKEN_GENERATOR_CLIENT_ID }}
          LLVM_TOKEN_GENERATOR_PRIVATE_KEY: ${{ secrets.LLVM_TOKEN_GENERATOR_PRIVATE_KEY }}

      - name: Validate Input
        uses: ./.github/workflows/validate-release-version
        with:
          release-version: ${{ inputs.release-version }}

  release-documentation:
    name: Build and Upload Release Documentation and Man Pages
    runs-on: ubuntu-24.04
    needs:
      - release-man-pages-validate-input
    outputs:
      man-page-digest: ${{ steps.man-page-digest.outputs.digest }}
      man-page-artifact-id: ${{ steps.man-page-artifact-upload.outputs.artifact-id }}

      man-page-release-version: ${{ steps.vars.outputs.man-page-release-version }}
      man-page-tarball-name: ${{ steps.vars.outputs.man-page-tarball-name }}
      man-page-upload: ${{ steps.vars.outputs.man-page-upload }}
      man-page-attestation-name: ${{ steps.vars.outputs.man-page-attestation-name }}
    env:
      upload: ${{ inputs.upload && !contains(inputs.release-version, 'rc') }}
    steps:
      - name: Collect Variables
        id: vars
        env:
          INPUTS_RELEASE_VERSION: ${{ inputs.release-version }}
          UPLOAD_MAN_PAGES: ${{ inputs.upload }}
        shell: bash
        run: |
          {
            echo "man-page-release-version=$INPUTS_RELEASE_VERSION"
            echo "man-page-tarball-name=llvm_man_pages-$INPUTS_RELEASE_VERSION.tar.xz"
            echo "man-page-ref=llvmorg-$INPUTS_RELEASE_VERSION"
            echo "man-page-upload=$UPLOAD_MAN_PAGES"
            echo "man-page-attestation-name=$RUNNER_OS-$RUNNER_ARCH-release-man-page-attestation"
          } >> "$GITHUB_OUT"

      - name: Checkout LLVM
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          persist-credentials: false

      - name: Validate Input
        uses: ./.github/workflows/validate-release-version
        with:
          release-version: ${{ inputs.release-version }}

      - name: Setup Python env
        uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
        with:
          cache: 'pip'
          cache-dependency-path: './llvm/docs/requirements.txt'

      - name: Install Dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
              graphviz \
              python3-github \
              ninja-build \
              texlive-font-utils
          pip3 install --require-hashes --user -r ./llvm/docs/requirements.txt

      - name: Build Documentation
        env:
          GITHUB_TOKEN: ${{ github.token }}
          INPUTS_RELEASE_VERSION: ${{ inputs.release-version }}
        run: |
          ./llvm/utils/release/build-docs.sh -release "$INPUTS_RELEASE_VERSION" -no-doxygen

      - name: Generate sha256 digest for man page tarball
        id: man-page-digest
        shell: bash
        env:
          TARBALL_NAME: ${{ steps.vars.outputs.man-page-tarball-name }}
        run: |
            echo "man-page-digest=$(cat "$TARBALL_NAME" | sha256sum | cut -d ' ' -f 1)" >> $GITHUB_OUT

      - id: man-page-artifact-upload
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          path: |
            ${{ steps.vars.outputs.man-page-tarball-name }}

      - name: Create Release Notes Artifact
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: release-notes
          path: docs-build/html-export/

      - name: Clone www-releases
        if: env.upload
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          repository: ${{ github.repository_owner }}/www-releases
          ref: main
          fetch-depth: 0
          path: www-releases
          persist-credentials: false

      - name: Upload Release Notes
        if: env.upload
        env:
          PUSH_TOKEN: ${{ secrets.LLVMBOT_WWW_RELEASES_PUSH }}
          GH_TOKEN: ${{ secrets.WWW_RELEASES_TOKEN }}
          INPUTS_RELEASE_VERSION: ${{ inputs.release-version }}
        run: |
          mkdir -p www-releases/$INPUTS_RELEASE_VERSION
          mv ./docs-build/html-export/* www-releases/$INPUTS_RELEASE_VERSION
          cd www-releases
          git checkout -b $INPUTS_RELEASE_VERSION
          git add $INPUTS_RELEASE_VERSION
          git config user.email "llvmbot@llvm.org"
          git config user.name "llvmbot"
          git commit -a -m "Add $INPUTS_RELEASE_VERSION documentation"
          git push --force  "https://$PUSH_TOKEN@github.com/llvmbot/www-releases.git" HEAD:refs/heads/$INPUTS_RELEASE_VERSION
          gh pr create -f -B main -H llvmbot:$INPUTS_RELEASE_VERSION

  upload-man-pages:
    name: "Upload Man Pages"
    runs-on: ubuntu-24.04
    environment:
      deployment: false
      name: release
    needs:
      - release-documentation
    if: >-
      github.event_name != 'pull_request'
    permissions:
      contents: write     # For man page uploads
      id-token: write     # For artifact attestations
      attestations: write # For artifact attestations

    steps:
     - name: Upload Man Page Artifacts
       id: man-page-artifact-upload
       uses: ./.github/workflows/upload-release-artifact
       with:
         release-version: ${{ needs.release-documentation.outputs.man-page-release-version }}
         artifact-id: ${{ needs.release-documentation.outputs.man-page-artifact-id }}
         attestation-name: ${{ needs.release-documentation.outputs.man-page-attestation-name }}
         digest: ${{ needs.release-documentation.outputs.man-page-digest }}
         upload: ${{ needs.release-documentation.outputs.man-page-upload }}
         LLVM_TOKEN_GENERATOR_CLIENT_ID: ${{ secrets.LLVM_TOKEN_GENERATOR_CLIENT_ID }}
         LLVM_TOKEN_GENERATOR_PRIVATE_KEY: ${{ secrets.LLVM_TOKEN_GENERATOR_PRIVATE_KEY }}