Update claude action

Signed-off-by: Quanyi Ma <eli@patch.sh>

Author: genedna

.github/workflows/claude-review.yml

@@ -65,69 +65,12 @@ jobs:
     steps:
       # Checkout the repository at the appropriate commit for review
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
-          # Use PR head SHA for pull_request_target, fallback to current SHA otherwise
-          fetch-depth: 0
-          ref: ${{ github.event_name == 'pull_request_target' && github.event.pull_request.head.sha || github.sha }}
-
-      # Handle fork branches for pull_request_target events
-      - name: Setup Fork Remote (for pull_request_target)
-        if: ${{ github.event_name == 'pull_request_target' }}
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          PR_NUMBER: ${{ github.event.pull_request.number }}
-          PR_HEAD_REF: ${{ github.event.pull_request.head.ref }}
-          PR_HEAD_OWNER: ${{ github.event.pull_request.head.repo.owner.login }}
-          PR_HEAD_REPO: ${{ github.event.pull_request.head.repo.name }}
-          REPO_OWNER: ${{ github.repository_owner }}
-        run: |
-          PR_NUMBER="$PR_NUMBER"
-          HEAD_REF="$PR_HEAD_REF"
-          HEAD_OWNER="$PR_HEAD_OWNER"
-          HEAD_REPO="$PR_HEAD_REPO"
-          CURRENT_OWNER="$REPO_OWNER"
-
-          # For forked PRs, temporarily change origin URL to fork repository
-          # This allows claude-code-action to fetch the PR branch correctly
-          if [ "$HEAD_OWNER" != "$CURRENT_OWNER" ]; then
-            echo "PR is from fork: $HEAD_OWNER/$HEAD_REPO"
-            FORK_URL="https://github.com/$HEAD_OWNER/$HEAD_REPO.git"
-            echo "Temporarily changing origin URL to fork: $FORK_URL"
-            git remote set-url origin "$FORK_URL"
-            git fetch origin "$HEAD_REF"
-            git branch "$HEAD_REF" "origin/$HEAD_REF" 2>/dev/null || git branch -f "$HEAD_REF" "origin/$HEAD_REF"
-          fi
-
-      # For comment-driven triggers, ensure we have the correct PR branch checked out
-      - name: Checkout PR Branch (for comments)
-        if: ${{ github.event_name == 'issue_comment' || github.event_name == 'pull_request_review_comment' }}
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          PR_NUMBER=${{ github.event.issue.number || github.event.pull_request.number }}
-
-          # Fetch PR metadata: head branch name and source repository
-          PR_DATA=$(gh pr view $PR_NUMBER --json headRefName,headRepositoryOwner,headRepository,baseRefName)
-          HEAD_REF=$(echo "$PR_DATA" | jq -r '.headRefName')
-          HEAD_OWNER=$(echo "$PR_DATA" | jq -r '.headRepositoryOwner.login')
-          HEAD_REPO=$(echo "$PR_DATA" | jq -r '.headRepository.name')
-          BASE_BRANCH=$(echo "$PR_DATA" | jq -r '.baseRefName')
-          CURRENT_OWNER="${{ github.repository_owner }}"
-
-          # For forked PRs, temporarily change origin URL to fork repository
-          # This allows claude-code-action to fetch the PR branch correctly
-          if [ "$HEAD_OWNER" != "$CURRENT_OWNER" ]; then
-            echo "PR is from fork: $HEAD_OWNER/$HEAD_REPO"
-            FORK_URL="https://github.com/$HEAD_OWNER/$HEAD_REPO.git"
-            echo "Temporarily changing origin URL to fork: $FORK_URL"
-            git remote set-url origin "$FORK_URL"
-          fi
-
-          # Fetch and checkout the PR branch
-          git fetch origin "$HEAD_REF"
-          git branch "$HEAD_REF" "origin/$HEAD_REF" 2>/dev/null || git branch -f "$HEAD_REF" "origin/$HEAD_REF"
-          git checkout "$HEAD_REF"
+          # Use PR head SHA for pull_request_target to review the actual PR code
+          # For comment events, this will default to the base branch (PR context is inferred by Claude action)
+          ref: ${{ github.event.pull_request.head.sha || github.sha }}
+          fetch-depth: 1
 
       # Invoke Claude to perform an automated PR review with progress tracking
       - name: PR Review with Progress Tracking
@@ -176,4 +119,3 @@ jobs:
           # Restrict tools that Claude can use during the review
           claude_args: |
             --allowedTools "mcp__github_inline_comment__create_inline_comment,Bash(gh pr comment:*),Bash(gh pr diff:*),Bash(gh pr view:*)"
-