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Date: Sun, 12 Apr 2026 17:14:43 +0900
Subject: [PATCH] =?UTF-8?q?fix:=20PR=20=EC=BB=A4=EB=B2=84=EB=A6=AC?=
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  - pull_request_target에서 ref 미지정 시 base 브랜치를 체크아웃하여
    git diff 시 변경 파일이 0개로 나오는 현상 방지
  - github.event.pull_request.head.sha를 명시적으로 체크아웃하도록 수정
---
 .github/workflows/pr-coverage.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/pr-coverage.yml b/.github/workflows/pr-coverage.yml
index 578b6c5e5..8d70c1219 100644
--- a/.github/workflows/pr-coverage.yml
+++ b/.github/workflows/pr-coverage.yml
@@ -19,6 +19,7 @@ jobs:
       - name: Checkout PR code
         uses: actions/checkout@v4
         with:
+          ref: ${{ github.event.pull_request.head.sha }}
           fetch-depth: 0
 
       - name: Set up JDK 21