From ddc7b4567e301e724747d6e3c156898a2befc047 Mon Sep 17 00:00:00 2001
From: Jason <farion1231@gmail.com>
Date: Sat, 2 May 2026 20:23:18 +0800
Subject: [PATCH] fix(ci): pin Claude review checkout to PR head sha
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Prevents `git fetch origin pull/<N>/head:main` failures on fork PRs
whose head branch is also named `main` — using a SHA puts the runner
in detached HEAD so the main ref is free for the action's internal fetch.
---
 .github/workflows/claude.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index fffbbd3b..40ebefb1 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -44,6 +44,7 @@ jobs:
         uses: actions/checkout@v6
         with:
           fetch-depth: 1
+          ref: ${{ github.event.pull_request.head.sha || github.sha }}
 
       - name: Run Claude (review only)
         uses: anthropics/claude-code-action@v1