Fix counting of total commits

Signed-off-by: Shreeya Patel <[email protected]>

Author: shreeya-patel98

.github/workflows/kernel-build-and-test-x86_64.yml

@@ -409,8 +409,8 @@ jobs:
       run: |
         BASE_BRANCH="${{ needs.compare-results.outputs.base_branch }}"
         if [ -n "$BASE_BRANCH" ]; then
-          # Fetch just the base branch tip (shallow)
-          git fetch --depth=1 origin "$BASE_BRANCH:refs/remotes/origin/$BASE_BRANCH" || true
+          # Fetch base branch with enough history to find common ancestor
+          git fetch --depth=200 origin "$BASE_BRANCH:refs/remotes/origin/$BASE_BRANCH" || true
           echo "Fetched base branch: $BASE_BRANCH"
         fi