Debugging extra step

.github/workflows/build.yml

@@ -19,12 +19,15 @@ jobs:
       - uses: https://github.com/cachix/install-nix-action@v31
         with:
           nix_path: nixpkgs=channel:nixos-unstable
-      - name: "List hosts"
+      - name: "Determine hosts"
         id: hosts
         run: |
           hosts="$(nix eval .#nixosConfigurations --apply builtins.attrNames --json)"
           echo "${hosts}"
           echo "hostnames=${hosts}" >> $GITHUB_OUTPUT
+      - name: "List hosts"
+        run: |
+          echo "${{ steps.hosts.outputs.hostnames }}"
 
   build:
     runs-on: ubuntu-latest