name: Update website

concurrency:
  group: mesonbuild.com
  # We do NOT want `cancel-in-progress` here since only one website job
  # should run at a time to avoid upload race conditions.

on:
  push:
    branches:
      - master
    paths:
      - .github/workflows/website.yml
      - docs/**
  pull_request:
    paths:
      - .github/workflows/website.yml
      - docs/**
  workflow_dispatch:
  release:
    types:
      - published

permissions:
  contents: write # for release creation (svenstaro/upload-release-action)

# This job is copy/paster into wrapdb CI, please update it there when doing any
# change here.
jobs:
  update_website:
    env:
      HAS_SSH_KEY: ${{ secrets.WEBSITE_PRIV_KEY != '' }}
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - uses: actions/cache/restore@v3
        id: restore-cache
        with:
          # should use 'pip3 cache dir' to discover this path
          path: ~/.cache/pip
          key: website-pip-${{ github.run_number }}
          restore-keys: website-pip-

      - name: Install package
        run: |
          sudo apt-get -y install python3-pip ninja-build libjson-glib-dev
          pip install hotdoc chevron strictyaml

      - uses: actions/cache/save@v3
        with:
          # should use 'pip3 cache dir' to discover this path
          path: ~/.cache/pip
          key: website-pip-${{ github.run_number }}

      - name: Setup SSH Keys and known_hosts
        env:
          SSH_AUTH_SOCK: /tmp/ssh_agent.sock
        run: |
          ssh-agent -a $SSH_AUTH_SOCK > /dev/null
          ssh-add - <<< "${{ secrets.WEBSITE_PRIV_KEY }}"
        if: github.ref == 'refs/heads/master' && env.HAS_SSH_KEY == 'true'
      - name: Build website
        run: |
          git config --global user.name "github-actions"
          git config --global user.email "github-actions@github.com"
          cd docs
          ../meson.py setup _build
          ninja -C _build
          ninja -C _build test
      - name: Update website
        env:
          SSH_AUTH_SOCK: /tmp/ssh_agent.sock
        run: |
          cd docs
          ninja -C _build upload
        if: github.ref == 'refs/heads/master' && env.HAS_SSH_KEY == 'true'
      - name: Release the current JSON docs
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: docs/_build/reference_manual.json
          tag: ${{ github.ref }}
        if: ${{ github.event_name == 'release' }}
      - name: Release the current man docs
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: docs/_build/meson-reference.3
          tag: ${{ github.ref }}
        if: ${{ github.event_name == 'release' }}