name: Release Task

permissions:
  contents: read

on:
  push:
    tags:
      # The regex support here is limited, so just match everything that starts with llvmorg- and filter later.
      - 'llvmorg-*'

jobs:
  release-tasks:
    permissions:
      contents: write # To upload assets to release.
    runs-on: ubuntu-latest
    if: github.repository == 'llvm/llvm-project'
    steps:
      - name: Validate Tag
        id: validate-tag
        run: |
          test "${{ github.actor }}" = "tstellar" || test "${{ github.actor }}" = "tru"
          echo "${{ github.ref_name }}" | grep -e '^llvmorg-[0-9]\+\.[0-9]\+\.[0-9]\+\(-rc[0-9]\+\)\?$'
          release_version=$(echo "${{ github.ref_name }}" | sed 's/llvmorg-//g')
          echo "release-version=$release_version" >> $GITHUB_OUTPUT

      - name: Install Dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y \
              doxygen \
              graphviz \
              python3-github \
              python3-recommonmark \
              python3-sphinx \
              ninja-build \
              texlive-font-utils
          pip3 install --user sphinx-markdown-tables

      - name: Checkout LLVM
        uses: actions/checkout@v3

      - name: Create Release
        run: |
          ./llvm/utils/release/./github-upload-release.py --token ${{ github.token }} --release ${{ steps.validate-tag.outputs.release-version }} create

      - name: Build Documentation
        run: |
          ./llvm/utils/release/build-docs.sh -release ${{ steps.validate-tag.outputs.release-version }}
          ./llvm/utils/release/github-upload-release.py --token ${{ github.token }} --release ${{ steps.validate-tag.outputs.release-version }} upload --files *doxygen*.tar.xz

      - name: Create Release Notes Artifact
        uses: actions/download-artifact@v3
        with:
          name: release-notes
          path: docs-build/html-export/

      - name: Clone www-releases
        if: ${{ !contains(steps.validate-tag.outputs.release-version, 'rc') }}
        uses: actions/checkout@v3
        with:
          repository: ${{ github.repository_owner }}/www-releases
          ref: main
          fetch-depth: 0
          path: www-releases

      - name: Upload Release Notes
        if: ${{ !contains(steps.validate-tag.outputs.release-version, 'rc') }}
        run: |
          mkdir -p ../www-releases/${{ steps.validate-tag.outputs.release-version }}
          mv ./docs-build/html-export/* ../www-releases/${{ steps.validate-tag.outputs.release-version }}
          cd ../www-releases
          git add ${{ steps.validate-tag.outputs.release-version }}
          git config user.email "llvmbot@llvm.org"
          git config user.name "llvmbot"
          git commit -a -m "Add ${{ steps.validate-tag.outputs.release-version }} documentation"
          git push https://${{ secrets.WWW_RELEASES_TOKEN }}@github.com/${{ github.repository_owner }}/www-releases main:main