Change when the workflow runs

ekzhang · ekzhang · commit 42163d6424a7 · 2025-09-14T15:41:36.000-04:00
diff --git a/.github/workflows/macos.yml b/.github/workflows/macos.yml
@@ -2,7 +2,11 @@
 # This helps prevent breakage of the dev setup.
 name: macOS
 
-on: push
+on:
+  push:
+    branches:
+      - main
+  pull_request:
 
 jobs:
   test-refsol:
