Switching between atmos versions (asdf plugin)

[nitrocode]

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Describe the Feature

Sometimes I need to switch between atmos versions in order to debug something or perhaps a client uses version X and another client uses version Y. I usually have to run another go install of a specific atmos release or use apt install atmos="<version>-*" from geodesic.

It would be nice to use a tool like asdf with an atmos plugin. This will put atmos on par with terragrunt

https://asdf-vm.com/
https://github.com/asdf-vm/asdf
https://github.com/asdf-vm/asdf-plugins

Another advantage of supporting asdf is that we can pin versions of atmos using the asdf .tool-versions file for users that want to use atmos within geodesic and from outside.

This will allow using commands like this to download and pin the version using a .tool-versions file

asdf plugin install atmos
asdf atmos install latest
asdf local atmos latest

[osterman]

@nitrocode whipped this up! Let me know if it works for you.

https://github.com/cloudposse/asdf-atmos

[osterman]

Let's open up subsequent issues on the other repo.

[osterman]

asdf-vm/asdf-plugins#1042