From 90557f13ba98aea883123cb2738ff5ba6159e694 Mon Sep 17 00:00:00 2001
From: Chris Bieneman <cbieneman@microsoft.com>
Date: Tue, 18 Mar 2025 14:26:49 -0500
Subject: [PATCH] Testing workflow

---
 .github/workflows/clang-format-checker.yml | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/clang-format-checker.yml b/.github/workflows/clang-format-checker.yml
index 1c69d6de86..d1887e4519 100644
--- a/.github/workflows/clang-format-checker.yml
+++ b/.github/workflows/clang-format-checker.yml
@@ -13,9 +13,16 @@ jobs:
       pull-requests: write
     steps:
       - name: Fetch LLVM sources
-        uses: actions/checkout@v4
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
         with:
-          fetch-depth: 2
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Checkout through merge base
+        uses: rmacklin/fetch-through-merge-base@bfe4d03a86f9afa52bc1a70e9814fc92a07f7b75 # v0.3.0
+        with:
+          base_ref: ${{ github.event.pull_request.base.ref }}
+          head_ref: ${{ github.event.pull_request.head.sha }}
+          deepen_length: 500
 
       - name: Get changed files
         id: changed-files