deploy_preview.yml

name: Deploy preview

on:
  workflow_run:
    workflows: ["Build preview"]
    types: [completed]

jobs:
  deploy:
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.conclusion == 'success' }}
    steps:
      - name: "Create commit status"
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const commitId = "${{ github.event.workflow_run.head_commit.id }}";
            await github.rest.repos.createCommitStatus({
                context: "client-preview",
                owner: context.repo.owner,
                repo: context.repo.repo,
                sha: commitId,
                state: "pending",
                description: `Creating preview`,
                target_url: `${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId}`,
            });
      - uses: actions/checkout@v4
      - uses: actions/download-artifact@v4
        with:
          name: client
          path: dist/client
          github-token: "${{ secrets.GITHUB_TOKEN }}"
          run-id: "${{ github.event.workflow_run.id }}"
      - name: Get PR ID
        # https://github.com/orgs/community/discussions/25220#discussioncomment-7532132
        id: pr-id
        run: |
          PR_ID=$(gh run view -R ${{ github.repository }} ${{ github.event.workflow_run.id }} | grep -oP '#[0-9]+ . ${{ github.event.workflow_run.id }}' | grep -oP '#[0-9]+' | cut -c 2-)
          echo "pr-id=${PR_ID}" >> $GITHUB_OUTPUT
        env:
          GH_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
      - uses: FirebaseExtended/action-hosting-deploy@v0
        id: deploy
        with:
          repoToken: "${{ secrets.GITHUB_TOKEN }}"
          firebaseServiceAccount: "${{ secrets.FIREBASE_HOSTING_SERVICE_ACCOUNT_KEY }}"
          expires: 30d
          channelId: "pr${{ steps.pr-id.outputs.pr-id }}"
          projectId: neuroglancer-demo
          target: app
      - name: "Update commit status"
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const expires = new Date("${{ steps.deploy.outputs.expire_time }}");
            const commitId = "${{ github.event.workflow_run.head_commit.id }}";
            await github.rest.repos.createCommitStatus({
                context: "client-preview",
                owner: context.repo.owner,
                repo: context.repo.repo,
                sha: commitId,
                state: "success",
                target_url: "${{ steps.deploy.outputs.details_url }}",
                description: `Preview created, expires at: ${expires.toISOString()}`,
            });