dotnet msbuild --getProperty:OutputPath sometimes hangs with no explanation

[rmunn]

This may only be happening to me, but it's still a problem I want to track down.

On my Linux computer, I sometimes find that dotnet msbuild --getProperty:OutputPath hangs with no explanation. It seems to happen most often after a reboot. This results in task up not working because the backend/Testing/Taskfile.yml uses that command to set its OUTPUT_PATH environment variable, the root Taskfile includes backend/Testing/Taskfile.yml, and task tries to set all environment variables at startup time before running any tasks. So even though task up in the root directory is never going to use the output of dotnet msbuild --getProperty:OutputPath, it gets run anyway, and when it hangs it prevents task up from completing.

I haven't managed to track down exactly what is making dotnet msbuild --getProperty:OutputPath hang, or what conditions make it stop hanging. And I suspect that this problem is happening only on Linux, otherwise someone else would have mentioned and/or fixed the issue by now. Once I track it down, I'll update this issue and/or create a PR with a fix.

[hahn-kev]

we could probably move OUTPUT_PATH to be a var specific to the tasks that depend on it, that should solve the annoyance, not sure why it would hang in the first place though