update-carbon-aware-sdk.yml

name: Update carbon-aware SDK

on:
  schedule:
    - cron: '0 3 * * *' # run at 03 AM UTC
  workflow_dispatch:
  
jobs:
  update-carbon-aware-sdk:
    runs-on: ubuntu-latest

    steps:
      
    - name: checkout-code
      uses: actions/checkout@v3.0.0
      with: 
        submodules: true
      
    - name: pull-carbon-aware-sdk
      id: pull-carbon-aware-sdk
      run: |
        status=$(git submodule update --remote)
        echo "Status returned by submodule: ${status}"
        if [ "$status" == "" ]; then
          echo "No carbon-aware SDK updates detected; Skipping run..."
          echo "continue=false" >> $GITHUB_OUTPUT
          exit 0
        fi
        echo "continue=true" >> $GITHUB_OUTPUT
        echo "Changes to carbon-aware SDK detected; updating local branch..."

    - name: build-service 
      if: steps.pull-carbon-aware-sdk.outputs.continue == 'true'
      run: dotnet build ./src/Greenhopper.sln

      # todo: run tests

    - name: build-sample
      if: steps.pull-carbon-aware-sdk.outputs.continue == true
      run: dotnet build ./sample/timer-trigger/CarbonAware.AzureFunction.Sample.sln
    
    - name: create-new-branch-with-changes
      if: steps.pull-carbon-aware-sdk.outputs.continue == true
      id: push_output
      run: |
           branchbasename=carbon-aware-sdk-$(date +"%Y.%m.%d-%H.%M.%S")-${{ github.run_number }}
           branchname=feature/${branchbasename}
           git config user.name blogbot
           git config user.email blogbot@github.com
           git pull
           git branch ${branchname}
           git push --set-upstream origin ${branchname} 
           git checkout ${branchname}
           git add .
           git commit --allow-empty -m "New carbon-aware-version-merged"
           git push
           echo "::set-output name=branchname::${branchname}"

    - name: pull-request
      if: steps.pull-carbon-aware-sdk.outputs.continue == true
      uses: actions/github-script@v6
      with:
        script: |
          title = 'Better double check this PR, it shouldnt be here!'
          if( '${{ github.event_name }}'  == 'schedule' ) {
             title = '[Nightly Build] carbon-aware-sdk updated by a schedule.'
          }
          if( '${{ github.event_name }}'  == 'workflow_dispatch' ) {
             title = '[Manual Trigger] User ${{ github.actor }} triggered a carbon-aware-sdk update.'
          }
          const { repo, owner } = context.repo;
          const pr = await github.rest.pulls.create({
            title: title,
            owner,
            repo,
            head: '${{ steps.push_output.outputs.branchname }}',
            base: 'main',
            body: [
              'This PR is auto-generated by',
              '[actions/github-script](https://github.com/actions/github-script).'
            ].join('\n')
          });
          
          github.rest.issues.addLabels({
            owner,
            repo,
            issue_number: pr.data.number,
            labels: ['${{ github.event_name }}', 'automated-pr']
          });