Description

Fails to build with Ubuntu 18.04 and ROS source (i.e. master).

Note that all other platform/district pairs appear to build.

matrix:
  os: [ubuntu-18.04, macOS-latest, windows-latest]
  rosdistro: [dashing, eloquent, source]

https://github.com/RoverRobotics-forks/rmw_cyclonedds/pull/1/checks?check_run_id=544943756

Exit Criteria

• All inputs of the action are validated and properly throw an error if the input parameter is invalid
• Clarify the documentation to explain that by default, action-ros-ci is building from source because the default VCS file is containing all the ROS 2 repositories.