Display the deploy status on checks (#8803)

* Display deploy status on check suite

* Display deploy status on check suite

* fix

* fix

.github/workflows/pr-preview-deploy.yml

 # Run secret-dependent integration tests only after /deploy approval
 on:
+  pull_request:
+    types: [opened, reopened, synchronize]
   repository_dispatch:
     types: [deploy-command]
 
@@ -14,6 +16,43 @@ jobs:
       github.event.client_payload.slash_command.sha != '' &&
       contains(github.event.client_payload.pull_request.head.sha, github.event.client_payload.slash_command.sha)
     steps:
+    - uses: actions/github-script@v5
+      id: check-id
+      env:
+        number: ${{ github.event.client_payload.pull_request.number }}
+        job: ${{ github.job }}
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        result-encoding: string
+        script: |
+          const { data: pull } = await github.rest.pulls.get({
+            ...context.repo,
+            pull_number: process.env.number
+          });
+          const ref = pull.head.sha;
+
+          const { data: checks } = await github.rest.checks.listForRef({
+            ...context.repo,
+            ref
+          });
+
+          const check = checks.check_runs.filter(c => c.name === process.env.job);
+
+          return check[0].id;
+
+    - uses: actions/github-script@v5
+      env:
+        check_id: ${{ steps.check-id.outputs.result }}
+        details_url: ${{ github.server_url }}/${{ github.repository }}/runs/${{ github.run_id }}
+      with:
+        github-token: ${{ secrets.GITHUB_TOKEN }}
+        script: |
+          await github.rest.checks.update({
+            ...context.repo,
+            check_run_id: process.env.check_id,
+            status: 'in_progress',
+            details_url: process.env.details_url
+          });
 
     # Check out merge commit
     - name: Fork based /deploy checkout
@@ -40,29 +79,15 @@ jobs:
       id: update-check-run
       if: ${{ always() }}
       env:
-        number: ${{ github.event.client_payload.pull_request.number }}
-        job: ${{ github.job }}
         # Conveniently, job.status maps to https://developer.github.com/v3/checks/runs/#update-a-check-run
         conclusion: ${{ job.status }}
+        check_id: ${{ steps.check-id.outputs.result }}
       with:
         github-token: ${{ secrets.GITHUB_TOKEN }}
         script: |
-          const { data: pull } = await github.rest.pulls.get({
-            ...context.repo,
-            pull_number: process.env.number
-          });
-          const ref = pull.head.sha;
-
-          const { data: checks } = await github.rest.checks.listForRef({
-            ...context.repo,
-            ref
-          });
-
-          const check = checks.check_runs.filter(c => c.name === process.env.job);
-
           const { data: result } = await github.rest.checks.update({
             ...context.repo,
-            check_run_id: check[0].id,
+            check_run_id: process.env.check_id,
             status: 'completed',
             conclusion: process.env.conclusion
           });