unity_robotics_demo_msgs failing for colcon build

[theksg]

Describe the bug
When I am trying to build "colcon build" in ros2 workspace for tutorials/ros_unity_integration, the build is failing for "unity_robotics_demo_msgs".

I am following the steps as provided at: https://github.com/Unity-Technologies/Unity-Robotics-Hub/blob/main/tutorials/ros_unity_integration/setup.md

Also, when I am trying to use docker, the build time is exceeding 3000s.

To Reproduce
Steps to reproduce the behavior:
Follow the steps as provided in here: https://github.com/Unity-Technologies/Unity-Robotics-Hub/blob/main/tutorials/ros_unity_integration/setup.md. follow for ros2 local installation

I am using windows 10.

[theksg]

it is failing for windows but working for ubuntu.

[fabiansteiner]

same problem, doesnt work on ubuntu either (running in a VM)

[theksg]

on Ubuntu, please make sure you are cloning git repo with correct branch as per the ros version you are using. I had to manually enter branch name for ros2, then it worked.