fix format pipeline

.github/workflows/format-code.yml

@@ -47,11 +47,17 @@ jobs:
       - name: Format
         run: make format
 
-      # actions/checkout fetches only a single commit in a detached HEAD state. Therefore
-      # we need to pass the current branch, otherwise we can't commit the changes.
-      # GITHUB_HEAD_REF is the name of the head branch. GitHub Actions only sets this for PRs.
-      - name: Commit Formatted Code
-        run: ./scripts/commit-code.sh $GITHUB_HEAD_REF
+        # Source: https://stackoverflow.com/a/58035262
+      - name: Extract branch name
+        shell: bash
+        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
+        id: extract_branch
+
+        # actions/checkout fetches only a single commit in a detached HEAD state. Therefore
+        # we need to pass the current branch, otherwise we can't commit the changes.
+        # GITHUB_HEAD_REF is the name of the head branch. GitHub Actions only sets this for PRs.
+      - name: Commit Formatted Code and API
+        run: ./scripts/commit-code.sh ${{ steps.extract_branch.outputs.branch }}
 
       - name: Make stop
         run: make stop