From 255d62129659f2b7b0f7e8e4ec2d9c3e15a594f0 Mon Sep 17 00:00:00 2001
From: Maksim Rakitin <mrakitin@bnl.gov>
Date: Tue, 10 Oct 2023 11:25:55 -0400
Subject: [PATCH] CI: do not repeat CI runs for PRs from the same repo

---
 .github/workflows/testing.yml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index dcbe2a1..ee95bbe 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -6,6 +6,9 @@ on:
 
 jobs:
   build:
+    # pull requests are a duplicate of a branch push if within the same repo.
+    if: github.event_name != 'pull_request' || github.event.pull_request.head.repo.full_name != github.repository
+
     strategy:
       matrix:
         host-os: ["ubuntu-latest", "macos-latest", "windows-latest"]