More testing

Author: ibbem

.github/workflows/maven.yml

@@ -51,6 +51,11 @@ jobs:
         print /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh
 
         echo "NIX_PATH=$NIX_PATH"
+        ls -ld "$NIX_PATH" || true
+        ls -l "$NIX_PATH" || true
+
+        echo nix-info:
+        nix-shell -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/6832d0d99649db3d65a0e15fa51471537b2c56a6.tar.gz -p nix-info --run 'nix-info --markdown'
     - name: Build
       run: nix-build
     - name: Upload Javadoc artifact