fork-preview.yml

name: Preview site from Fork

on:
  workflow_call:
    secrets:
      token: # SURGE_TOKEN
        description: the token for deployment service
        required: true
    inputs:
      domain:
        description: the domain to use
        required: true
        type: string

jobs:
  build:
    runs-on: ubuntu-latest
    name: Deploying to surge
    steps:
      - uses: actions/checkout@v2
      - name: Download built site artifacts
        uses: dawidd6/action-download-artifact@v2
        with:
          workflow: fork-build.yml
          run_id: ${{ github.event.workflow_run.id }}
          name: site-artifacts
          path: .
      - name: Extract PR number
        id: pr-number
        run: echo "ACTIONS_PR_NUMBER=$(cat ./pr/NUMBER)" >> $GITHUB_OUTPUT
      - name: Install Node
        uses: actions/setup-node@v3
        with:
          node-version: 18
      - name: Build PR preview url
        id: pr-url
        run: |
          PR_URL="https://pr-${{ steps.pr-number.outputs.ACTIONS_PR_NUMBER }}-${{ inputs.domain }}"
          echo "ACTIONS_PREVIEW_URL=${PR_URL}" >> $GITHUB_OUTPUT
      - name: Install surge and deploy PR to surge
        run: |
          npm i -g surge
          surge --project ./curr-repo/_site --domain ${{ steps.pr-url.outputs.ACTIONS_PREVIEW_URL }}
        env:
          SURGE_TOKEN: ${{ secrets.token }}
      - name: Find existing PR preview link comment
        uses: peter-evans/find-comment@v2
        id: fc
        with:
          issue-number: ${{ steps.pr-number.outputs.ACTIONS_PR_NUMBER }}
          body-includes: Your PR can be previewed
      - name: Comment PR preview link in PR
        if: ${{ steps.fc.outputs.comment-id == 0 }}
        uses: peter-evans/create-or-update-comment@v2
        with:
          issue-number: ${{ steps.pr-number.outputs.ACTIONS_PR_NUMBER }}
          body: |
            Thank you for submitting the Pull Request! :thumbsup: 

            Your PR can be previewed [here](${{ steps.pr-url.outputs.ACTIONS_PREVIEW_URL }})