# Builds the website sourced from docs/website/ using `mkdocs` and pushes
# to the gh-pages branch for publishing on GitHub Pages.
#
# See https://squidfunk.github.io/mkdocs-material/publishing-your-site/

name: Publish Website

on:
  workflow_dispatch:
  push:
    branches:
      - main
    paths:
      - "docs/website/**"
      - "build_tools/scripts/generate_release_index.py"
      - ".github/workflows/publish_website.yml"
  # Regenerate the release pip index when a regular or pre-release is created or
  # deleted.
  release:
    types: [published, unpublished]

jobs:
  publish_website:
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout out repository
        uses: actions/checkout@e2f20e631ae6d7dd3b768f56a5d2af784dd54791 # v2.5.0
        with:
          token: ${{ secrets.WRITE_ACCESS_TOKEN }}
      - name: Fetching base gh-pages branch
        # We have to explicitly fetch the gh-pages branch as well to preserve history
        run: git fetch --no-tags --prune --depth=1 origin "gh-pages:gh-pages"
      - name: Setting up Python
        uses: actions/setup-python@75f3110429a8c05be0e1bf360334e4cced2b63fa # v2.3.3
        with:
          python-version: 3.x
          cache: 'pip'
      - name: Installing dependencies
        run: |
          pip install \
            mkdocs-material \
            requests
      - name: Generating release index
        run: |
          ./build_tools/scripts/generate_release_index.py \
            --repo="${GITHUB_REPOSITORY}" \
            --output=docs/website/docs/pip-release-links.html
      - name: Setting git config
        run: |
          git config --local user.email "iree-github-actions-bot@google.com"
          git config --local user.name "Website Publish Action"
      - name: Deploying to gh-pages
        working-directory: docs/website
        run: mkdocs gh-deploy