main.yml

# This is a simple workflow that runs the publisher and copies the output to https://<owner>.github.io/<repo>/index.html
# Based on the idea from Carl Leitner, first implemented by Elliot Silver, available from: https://www.argentixinfo.com/archives/156
# Change log:
# 2021-06-18: (JCT): publish default branches to / , other branches branches/<branch>
# 2021-11-26: (JCT): Reusable workflow
# 2022-01-28: (JCT): add auto-create gh-pages if it doesn't exist
# 2023-01-22: (JCT): use checkout action v3, and JamesIves/github-pages-deploy-action@v4


# Make sure your repo has a branch called gh-pages

name: CI

# Controls when the action will run. 
on: 
  workflow_call: # Reusable by other workflows
  # Triggers the workflow on push or pull request events for any branch
  push:
  pull_request:

  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ubuntu-latest
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      
    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
   
      - name: Get branch name
        run: echo ${GITHUB_REF##*/}

      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - uses: actions/checkout@v3

#      - name: Create gh-pages branch if it doesn't exist
#        run: |
#          exists=$(git ls-remote --heads origin gh-pages | wc -l)
#          if [ "$exists" -eq "0" ]; then
#            echo 'gh-pages branch does not exist, creating it'
      
#            # Set placeholder user name and email for Git
#            git config user.email "automation@example.com"
#            git config user.name "Automation bot"

#            git checkout --orphan gh-pages
#            git reset --hard
#            git commit --allow-empty -m "create gh pages"
#            git push origin gh-pages
#          else
#            echo 'gh-pages branch exists'
#          fi
#      - uses: actions/checkout@v3
      
      - name: Update the image to the latest publisher
        uses: docker://hl7fhir/ig-publisher-base:latest
        with:
          # Get the latest publisher - don't run the batch script but run the line directly
          args: curl -L https://github.com/HL7/fhir-ig-publisher/releases/latest/download/publisher.jar -o ./input-cache/publisher.jar --create-dirs

      - name: Create folder
        uses: docker://hl7fhir/ig-publisher-base:latest
        with:
          entrypoint: /bin/sh
          args: -c "mkdir -p ./fhir-package-cache && chown 1001:127 ./fhir-package-cache"

      - name: Run the IG publisher
        uses: docker://hl7fhir/ig-publisher-base:latest
        with:
          # Run the publisher - don't run the batch script but run the line directly
          args: java -Xmx4g -jar ./input-cache/publisher.jar publisher -ig . -auto-ig-build -repo https://github.com/${{github.repository}} -package-cache-folder ./fhir-package-cache


      - name: List output directory contents
        run: ls -la ./output


      - name: Get branch names
        id: branch-name
        uses: tj-actions/branch-names@v4.3

      - name: Deploy candidate
        uses: JamesIves/github-pages-deploy-action@v4.4.2
        if: ${{ steps.branch-name.outputs.is_default }} == 'false'
        with:
          branch: gh-pages # The branch the action should deploy to.
          folder: ./output # The folder the action should deploy.
          commit-message: Deploy candidate branch
          target-folder: branches/${{ steps.branch-name.outputs.current_branch }}
          single-commit: true
          clean: false 

      - name: Deploy main
        uses: JamesIves/github-pages-deploy-action@v4.4.2
        if: ${{ steps.branch-name.outputs.is_default }} == 'true'
        with:
          branch: gh-pages # The branch the action should deploy to.
          folder: ./output # The folder the action should deploy.
          commit-message: Deploy main branch
          single-commit: true
          clean-exclude: branches