From b334b363d1ee20c723bb6bd67a7aced31d7cd12d Mon Sep 17 00:00:00 2001
From: Steve Riesenberg <5248162+sjohnr@users.noreply.github.com>
Date: Tue, 7 Jun 2022 15:09:22 -0500
Subject: [PATCH] Exclude PRs from external repos

Closes gh-38
---
 src/main.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/main.ts b/src/main.ts
index 3a8ec06..62ce564 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -162,6 +162,10 @@ async function main(): Promise<void> {
 
   // Build Pull Request string if required
   const pull_requests = (workflow_run.pull_requests as PullRequest[])
+    .filter(
+      pull_request =>
+        pull_request.base.repo.url === workflow_run.repository.url // exclude PRs from external repositories
+    )
     .map(
       pull_request =>
         `<${workflow_run.repository.html_url}/pull/${pull_request.number}|#${pull_request.number}> from \`${pull_request.head.ref}\` to \`${pull_request.base.ref}\``