Merge pull request #3159 from ChrisRackauckas-Claude/fix-sublibrary-ci-fetch-depth

fix: SublibraryCI fetch depth causes merge base failure on fork PRs

Author: ChrisRackauckas

.github/workflows/SublibraryCI.yml

@@ -33,7 +33,7 @@ jobs:
             CHANGED=$(git diff --name-only ${{ github.event.before }} ${{ github.sha }} 2>/dev/null || git diff --name-only HEAD~1 HEAD)
           else
             # For pull requests, compare against the base branch
-            git fetch origin ${{ github.event.pull_request.base.ref }} --depth=1
+            git fetch origin ${{ github.event.pull_request.base.ref }}
             CHANGED=$(git diff --name-only origin/${{ github.event.pull_request.base.ref }}...HEAD)
           fi