site.yml

name: Docs and Site

on:
  push:
    paths:
        - "docs/**"
    branches:
        - main
  # allows the workflow to be manually executed any time
  workflow_dispatch:

permissions:
  pages: write
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest

    strategy:
        matrix:
            node-version: [18.x]

    steps:
    - name: Grab the main Branch
      uses: actions/checkout@v2.3.3
      with:
            path: fhir
            ref: refs/heads/main
            fetch-depth: 1
            token: ${{ secrets.GITHUB_TOKEN }}
    - name: Grab the GH Pages Branch
      uses: actions/checkout@v2.3.3
      with:
            path: gh-pages
            ref: refs/heads/gh-pages
            fetch-depth: 1
            token: ${{ secrets.GITHUB_TOKEN }}
    - name: Use Node.js ${{ matrix.node-version }}
      uses: actions/setup-node@v1.4.4
      with:
            node-version: ${{ matrix.node-version }}
    - name: Build Site
      run: |
            echo "The current path is - $(pwd)"
            ls -la

            # Checks if the FHIR repo's gh-pages branch is checked out to fhir.
            if [ ! -d gh-pages ]
            then 
              echo "Branch not checked out to the correct folder - gh-ages"
              exit -2
            fi

            # Checks if the FHIR repo's main branch is checked out to fhir.
            if [ ! -d fhir ]
            then 
              echo "Branch not checked out to the correct folder - FHIR"
              exit -3
            fi

            # Record the currect directory
            pushd $(pwd)
            cd fhir/docs/
            npm install yarn -g
            yarn global add gatsby-cli
            gatsby telemetry --disable

            # Install the packages
            # fsevents is not used on linux images, so use --no-optional (these plugins are suspect)
            # npm install --no-optional --save react react-copy-to-clipboard react-dom react-ga classnames carbon @carbon/addons-website carbon-components carbon-components-react carbon-addons-cloud carbon-icons gatsby gatsby-theme-carbon-starter markdown-it gatsby-plugin-manifest gatsby-plugin-slug gatsby-plugin-sitemap gatsby-plugin-sharp
            # npm install --save gatsby-transformer-remark gatsby-source-filesystem
            yarn install

            # don't use gatsby build directly per https://github.com/gatsbyjs/gatsby/issues/17557
            # use the suggestion as a workaround due to path/issues in the gatsby component dependency of fsevents
            yarn run build
            cp -R public/ ../../public/
            
            # Return to the prior directory
            popd
    - name: Commit and Add GH Pages
      env:
            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
            CI: true
      run: |
            cd gh-pages
            echo "cleaning up the prior files on the branch"
            if [ ! -f .nojekyll ]
            then
                touch .nojekyll
                rm -f _config.yml
            fi

            rm -f *.js webpack.stats.json styles-*.js styles-*.js.map webpack-runtime-*.js.map webpack-runtime-*.js manifest.webmanifest component---*.js* app-*.js*
            rm -rf docs/node_modules docs/public docs/.cache
            rm -rf favicon.svg
            cp favicon-32x32.png favicon.svg

            echo "Moving the files around for gh-pages"
            cp -Rf ../public/* ./
            
            # Make sure no sh files are posted, it'll block the promotion
            find . -iname '*.sh' -delete

            # Record the Build Date
            date > build.txt
            git config --global user.email "${GITHUB_ACTOR}@users.noreply.github.com"
            git config --global user.name "Github Actions Bot - GH-Pages"
            git add .
            git commit -m "Automated gh-pages deployment: $(date -u)"
    - name: Push changes to GH Pages
      env:
            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
            CI: true
      run: |
            cd gh-pages
            echo "Push Changes"
            git branch
            remote_repo="https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"
            git push "${remote_repo}" HEAD:gh-pages
    - name: Request GitHub Pages Build
      env:
            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
            # As documented here, the GH-Pages behavior changed, and the API must be 'Triggered'
            # https://github.community/t5/GitHub-Actions/Github-action-not-triggering-gh-pages-upon-push/m-p/43192/highlight/true#M5281
            curl -L -X POST -H "Content-Type: application/json" -H "Authorization: token ${GITHUB_TOKEN}" "https://api.github.com/repos/${GITHUB_REPOSITORY}/pages/builds"