build-from-fork.yaml

name: Build from fork

on:
  pull_request_target:
    branches: [main]
    types: [labeled,unlabeled,synchronize]

env:
  PLATFORMSH_CLI_NO_INTERACTION: 1
  PLATFORM_PROJECT: ${{ vars.PROJECT_ID }}
  PLATFORMSH_CLI_DEFAULT_TIMEOUT: 60 # Increase timeout for CLI commands
  SLEEP_TIME: 5
  NUM_TRIES: 30
  BRANCH_TITLE: ${{ vars.BFF_PREFIX }}-${{ github.event.number }}

jobs:
  build:
    if: github.event.label.name == 'build-fork' || contains(github.event.pull_request.labels.*.name, 'build-fork')
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          ref: ${{ github.event.pull_request.head.sha }}
          token: ${{ secrets.WORKFLOW_TOKEN }}

      # Set up workflow environment to use the Platform.sh CLI
      - name: Set up Platform.sh CLI
        uses: ./.github/actions/set-up-cli

      # Create an environment and activate it
      - env:
          PLATFORMSH_CLI_TOKEN: ${{ secrets.PLATFORMSH_CLI_TOKEN }}
          # @see activate_environment:Set environment title:env in manage-environment.yaml
          PR_TITLE: ${{ github.event.pull_request.title }}
        run: |
          # Get most recent changes
          git checkout ${{ github.event.pull_request.head.sha }}

          # Put most recent changes on the branch
          echo "Switching to branch ${{ env.BRANCH_TITLE }}"
          git switch -C ${{ env.BRANCH_TITLE }}

          echo "Pushing most recent changes"
          git push --force origin ${{ env.BRANCH_TITLE }}

          # has platform.sh received our new branch?
          counter=0
          branchReceived=""
          echo "::notice::Checking if Platform.sh has received our new branch..."
          while (( counter < ${{ env.NUM_TRIES }} )) && [[ -z "${branchReceived}" ]]; do
            sleep ${{ env.SLEEP_TIME }}
            echo "::notice::Attempt ${counter} of ${{ env.NUM_TRIES }}"
            branchReceived=$(platform project:curl /environments | jq --arg branch "${{ env.BRANCH_TITLE }}" -r '.[] | select(.name | contains($branch))');
            counter=$((++counter))
          done

          if [[ -z "${branchReceived}" ]]; then
            echo "::warning::It appears that Platform.sh did not receive our branch ${{ env.BRANCH_TITLE }}. Please look at the logs and try again."
            exit 24;
          else
            echo "::notice::Branch ${{ env.BRANCH_TITLE }} was successfully pushed to Platform.sh. Continuing..."
          fi

          # If environment not active, activate it
          if ! $(platform environments --format plain --columns title,status | grep '${{ env.BRANCH_TITLE }}' | grep -q Active); then
            echo "::notice::Updating Platform.sh environment title for better tracking..."
            # in this case we DO want to statically include `pr-##` since we're referring to a pull request number
            newTitle="(pr-${{ github.event.number }}) ${PR_TITLE}"
            platform environment:info title "${newTitle}" -e ${{ env.BRANCH_TITLE }}
            echo "::notice::Activating environment ${{ env.BRANCH_TITLE }}"
            platform environment:activate -e ${{ env.BRANCH_TITLE }}
          fi