WINDUP-363 --output directory must not be a parent of --input directory ...

[OndraZizka]

Untested - TBD

[windupgithubbot1]

Test PASSed.
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[jsight]

This is a good check to have, although, I see two problems at the moment:

1. I think that you need to call "normalize" before comparing paths like this. toAbsolutePath will still leave "../" sections in the path from what I have seen.
2. This needs to be implemented in WindupCommand.validate to give the user a validation message, rather than in WindupProcessor, IMO.

[lincolnthree]

I think implementing in both places is fine, but it definitely also needs to be implemented as a UI validation.

[lincolnthree]

Out of date.