[foxy] Support scoping environment variables (#601)

ros2 / launch

Tools for launching multiple processes and for writing tests involving multiple processes.

Apache License 2.0

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[foxy] Support scoping environment variables (#601) #630

Closed jacobperron closed 2 years ago

jacobperron commented 2 years ago

Backport #601 to Foxy.

Resolves https://github.com/ros2/ros2/issues/1244

This is a partial backport, since Foxy does not support the forwarding option of GroupAction. Therefore, we're not actually using the new ResetEnvironment action, but I don't think it hurts to include it here in case users want to leverage it.

jacobperron commented 2 years ago

Linux
Linux-aarch64
Windows

jacobperron commented 2 years ago

Windows:

Warnings and test failure are preexisting.