From 05b97dd964e5917f356a91c1b43ced9925aa1b87 Mon Sep 17 00:00:00 2001
From: David Hewitt <1939362+davidhewitt@users.noreply.github.com>
Date: Tue, 6 Jun 2023 08:07:19 +0100
Subject: [PATCH] fix usage for paths-filter in merge_group

---
 .github/workflows/build.yml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 24731221..e3eec6aa 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -125,6 +125,8 @@ jobs:
         if: ${{ inputs.rust == 'stable' && inputs.python-version != 'pypy-3.7' && inputs.python-version != 'pypy-3.8' }}
         id: ffi-changes
         with:
+          base: ${{ github.event.pull_request.base.ref || github.event.merge_group.base_ref }}
+          ref: ${{ github.event.pull_request.head.ref || github.event.merge_group.head_ref }}
           filters: |
             changed:
               - 'pyo3-ffi/**'