book.yml

name: Deploy Book
on:
  push:
    branches:
      - main

jobs:
  deploy:
    if: github.repository == 'future-proof-iot/RIOT-rs'
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
      with:
        fetch-depth: 0
    - name: Install mdbook
      run: |
        mkdir mdbook
        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.36/mdbook-v0.4.36-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
        echo `pwd`/mdbook >> $GITHUB_PATH
    - name: Build docs
      run: |
        cd book
        mdbook build
    - name: Update gh-pages branch
      # This has no reason to fail, only the commit step fails if there are no
      # changes.
      continue-on-error: true
      run: |
        cd book
        git worktree add gh-pages gh-pages
        git config user.name "Deploy from CI"
        git config user.email ""
        cd gh-pages
        git rm -rf dev
        mv ../book dev
        git add dev
        git commit -m "Deploy $GITHUB_SHA to gh-pages"
    - name: Deploy changed book
      # only deploy if there were changes
      if: success()
      run: |
        cd book/gh-pages
        git push --force