build-and-deploy.yml

name: Build and deploy an updated version of the website

on:
  [push, pull_request]

env:
  MDBOOK_LINKCHECK_VER: 0.7.4
  MDBOOK_OUTPUT: '{"xgettext": {"pot-file": "messages.pot"}}'

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
    - name: Checkout gb-asm-tutorial
      uses: actions/checkout@v2
      with:
        path: gb-asm-tutorial

    - name: Install mdbook
      uses: peaceiris/actions-mdbook@v1
      with:
        mdbook-version: latest

    - uses: actions-rs/toolchain@v1
      with:
        toolchain: stable

    - name: Install i18n-helpers
      working-directory: gb-asm-tutorial/
      run: cargo install --path i18n-helpers
        
    - name: Install static-sitemap-cli
      run: npm install static-sitemap-cli

    # FIXME: Keep this up to date
    - name: Install mdbook-linkcheck
      run: | # `-L` because GitHub performs a redirection
        curl -L -o mdbook-linkcheck.zip "https://github.com/Michael-F-Bryan/mdbook-linkcheck/releases/download/v$MDBOOK_LINKCHECK_VER/mdbook-linkcheck.v$MDBOOK_LINKCHECK_VER.x86_64-unknown-linux-gnu.zip"
        unzip mdbook-linkcheck.zip mdbook-linkcheck
        chmod +x mdbook-linkcheck

    - name: Cache build dir
      uses: actions/cache@v2
      with:
        path: gb-asm-tutorial/target/
        key: ${{ runner.os }}-build-${{ hashFiles('gb-asm-tutorial/Cargo.lock') }}
        restore-keys: |
          ${{ runner.os }}-build-

    - name: Build
      working-directory: gb-asm-tutorial/
      env:
        MDBOOK_BUILD__CREATE_MISSING: "false" # Prevent creating missing files in SUMMARY.md
        MDBOOK_OUTPUT__LINKCHECK__COMMAND: "../mdbook-linkcheck"
        MDBOOK_OUTPUT__LINKCHECK__OPTIONAL: "false"
      run: |
        mdbook build
        for f in po/*.po; do
            lang=$(basename -s .po "$f")
            MDBOOK_BOOK__LANGUAGE="$lang" mdbook build -d book/"$lang"
            mv book/"$lang"/custom book/custom/"$lang"
        done

    - name: Generate sitemap
      run: |
        cd gb-asm-tutorial/book/custom/
        npx sscli --no-clean --base https://gbdev.io/gb-asm-tutorial

    - name: Extract source for translations
      working-directory: gb-asm-tutorial/
      run: mdbook build -d po
    
    - name: Store final build
      uses: actions/upload-artifact@v2
      with:
        name: Build output
        path: gb-asm-tutorial/book/custom/
        if-no-files-found: error

  deploy:
    runs-on: ubuntu-latest
    needs: build
    # Do not run this unless *pushing* (`heads`) to `master`
    if: github.ref == 'refs/heads/master'
    steps:
    - name: Checkout gb-asm-tutorial/gh-pages
      uses: actions/checkout@v2
      with:
        path: gb-asm-tutorial
        ref: gh-pages

    - name: Delete all current files
      run: |
        rm -vrf gb-asm-tutorial/*

    - name: Unpack build
      uses: actions/download-artifact@v2
      with:
        name: Build output
        path: gb-asm-tutorial/

    - name: Deploy
      working-directory: gb-asm-tutorial/
      run: |
        git config --local user.name "GitHub Action"
        git config --global user.email "community@gbdev.io"
        git remote -v
        git branch -v
        git add -A
        git commit -am 'Update build'
        git push -v