Build pkgdown site.yaml

name: Build pkgdown site

on:
  workflow_dispatch: # Trigger manually
  workflow_run:
    workflows: ["Trigger Build pkgdown Site"]
    types:
      - completed

concurrency:
  group: ${{ github.event_name }}-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}  # Use the event name, branch reference, and workflow name as the concurrency group
  cancel-in-progress: true    # Cancel any in-progress runs in the same group

jobs:
  build-site:
    runs-on: ${{ matrix.config.os }}

    name: ${{ matrix.config.os }} (${{ matrix.config.r }})

    strategy:
      fail-fast: false
      matrix:
        config:
          - {os: ubuntu-latest,   r: 'release'}

    env:
      RSPM: ${{ matrix.config.rspm }}
      GITHUB_PAT: ${{ secrets.GH_PAT }}

    steps:
    - name: Checkout repository
      uses: actions/checkout@v3

    - name: Debug concurrency group
      run: |
        echo "Concurrency group:"
        echo "${{ github.event_name }}-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}"

    - name: Setup R
      uses: r-lib/actions/setup-r@v2
      with:
        r-version: ${{ matrix.config.r }}
        http-user-agent: ${{ matrix.config.http-user-agent }}

    - name: Install system dependencies
      run: |
        sudo apt-get update
        sudo apt-get install -y libxml2-dev libssl-dev libcurl4-openssl-dev
        sudo apt-get install -y libharfbuzz-dev libfribidi-dev
        sudo apt-get install -y pandoc
        sudo apt-get install -y libudunits2-dev
        sudo apt-get install -y libgeos-dev libproj-dev libgdal-dev

    - name: Install R package dependencies
      run: |
        install.packages('remotes')
        remotes::install_deps(dependencies = TRUE)
        install.packages('devtools')
        devtools::install_github('inbo/fistools', auth_token = Sys.getenv("GITHUB_PAT"))
      shell: Rscript {0}

    - name: Install pkgdown
      run: install.packages('pkgdown')
      shell: Rscript {0}

    - name: pull changes to branch if any
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        git config --global user.name 'github-actions[bot]'
        git config --global user.email 'github-actions[bot]@users.noreply.github.com'
        git pull --rebase origin ${{ github.head_ref }}

    - name: Build pkgdown site
      run: pkgdown::build_site()
      shell: Rscript {0}

    - name: Commit and push changes
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        git config --global user.name 'github-actions[bot]'
        git config --global user.email 'github-actions[bot]@users.noreply.github.com'
        git add -A
        if ! git diff --cached --quiet; then
          git commit -m 'Build pkgdown site [skip ci]'
          # Extract the branch name from the full reference
          BRANCH_NAME=${GITHUB_REF##*/}
          git pull --rebase origin "$BRANCH_NAME"
          git push origin "$BRANCH_NAME"  # Push to the correct branch
        else
          echo "No changes to commit."
        fi