adjust to check triggering event instead of contents of pull_request

src/autoupdater.ts

@@ -54,23 +54,25 @@ export class AutoUpdater {
   async handleWorkflowRun(): Promise<number> {
     const { workflow_run, repository } = this.eventData;
     const branch = workflow_run.head_branch;
+    const event = workflow_run.event;
 
+    if (workflow_run.event !== 'push') {
+      ghCore.warning(
+        `Workflow_run event triggered via ${event} workflow not yet supported.`,
+      );
+      return 0;
+    }
+
+    // this may not be possible given the check above, but leaving in for now
     if (branch.length === 0) {
-      ghCore.warning('Push event was not on a branch, skipping.');
+      ghCore.warning('Event was not on a branch, skipping.');
       return 0;
     }
 
     ghCore.info(
-      `Handling workflow-run event triggered by '${workflow_run.event}' on '${branch}'`,
+      `Handling workflow-run event triggered by '${event}' on '${branch}'`,
     );
 
-    if (workflow_run.pull_requests.length !== 0) {
-      ghCore.warning(
-        'Workflow_run event triggered via pull_request workflow not yet supported.',
-      );
-      return 0;
-    }
-
     const updated = await this.pulls(`refs/heads/${branch}`, repository);
 
     return updated;

test/autoupdate.test.ts

@@ -559,12 +559,7 @@ describe('test `handleWorkflowRun`', () => {
 
   test('workflow_run event by pull_request event not supported', async () => {
     const event = cloneEvent();
-    event.workflow_run.pull_requests = [
-      {
-        url: 'https://api.github.com/repos/github/hello-world/pulls/1',
-        id: 1,
-      },
-    ];
+    event.workflow_run.event = 'pull_request';
 
     const updater = new AutoUpdater(config, event);