`vastai copy` command doesn't support Windows

[glmcdona]

Error:
vastai copy ./image.png 14159301:/workspace/CogVideoX-Fun/image.png

Result:

sudo rsync -arz -v --progress --rsh=ssh -e 'sudo ssh -i $HOME/.ssh/id_rsa -p 8239 -o StrictHostKeyChecking=no' ./image.png vastai_kaalia@91.150.160.38::14159301//workspace/CogVideoX-Fun/image.png
WARNING: stderr: 'sudo' is not recognized as an internal or external command,

Suggest instead using scp which is installed by default on Windows 10+ for the command.

[kristopolous]

there's more to it than that in windows ... the ssh keys might not be in the same location. If we are assuming WSL2 then this is less crazy ... the real deal way is to not do this via a command line at all ... but through a variety of python sdks ... but that's some serious effort.