Debug issue with formatter.

[ci skip]

Author: maleadt

.github/workflows/Format.yml

@@ -20,7 +20,11 @@ jobs:
         with:
           ref: ${{github.event.pull_request.head.ref}}
           repository: ${{github.event.pull_request.head.repo.full_name}}
-          fetch-depth: 0
+
+      - name: Add upstream remote
+        run: |
+          git remote add upstream https://github.com/${{ github.repository }}
+          git fetch upstream
 
       - name: Setup Julia
         uses: julia-actions/setup-julia@v2
@@ -40,10 +44,15 @@ jobs:
         id: runic
         run: |
           set +e
-          MERGE_BASE=$(git merge-base origin/${{ github.base_ref }} HEAD) || exit 2
+          MERGE_BASE=$(git merge-base upstream/${{ github.base_ref }} HEAD) || exit 1
           DIFF=$(git runic --diff $MERGE_BASE)
           EXIT_CODE=$?
 
+          # debug
+          echo "base ref: ${{ github.base_ref }}"
+          echo "merge base: $MERGE_BASE"
+          echo "diff: $DIFF"
+
           echo "exit_code=$EXIT_CODE" >> $GITHUB_OUTPUT
           echo "diff<<EOF" >> $GITHUB_OUTPUT
           echo "$DIFF" >> $GITHUB_OUTPUT