fixup! refactor(ros-z-msgs): remove the path of local roslibrust

Author: YuanYuYuan

flake.nix

@@ -282,24 +282,6 @@
           }) distros
         ));
 
-        # Package outputs
-        packages =
-          let
-            basePackage = mkRustPackage {
-              pname = "ros-z";
-              buildAndTestSubdir = "ros-z";
-              description = "Native Rust ROS 2 implementation using Zenoh - Core";
-            };
-
-            # Generate packages for all distros
-            allDistroPackages = builtins.foldl' (acc: distro: acc // (mkRosPackages distro)) { } distros;
-          in
-          {
-            ros-z = basePackage;
-            default = basePackage;
-          }
-          // allDistroPackages;
-
         formatter = pkgs.nixfmt-rfc-style;
       }
     );

ros-z-msgs/build.rs

@@ -250,7 +250,10 @@ fn find_roslibrust_assets() -> PathBuf {
         }
     }
 
-    // Fallback: return the local path anyway, it will fail gracefully if it doesn't exist
-    println!("cargo:warning=Could not find roslibrust assets, packages may not be available");
-    local_path
+    // Fallback: panic with helpful error message
+    panic!(
+        "Could not find roslibrust assets directory!\n\
+         Make sure roslibrust is specified as a git dependency in Cargo.toml.\n\
+         The build system searches: ~/.cargo/git/checkouts/roslibrust-*/*/assets/"
+    );
 }