Astro Studio CLI should respect user’s XDG base directory settings

[yeskunall]

Summary

Astro Studio CLI creates (in particular, I think—astro login) a config directory by default in $HOME. While this is not an error, I think the CLI should respect an OS (or user’s) XDG base directory settings.

Why?

I think the end-user should be able to decide what goes in their $HOME, much like how they should be allowed to choose what goes in their home in real life. This is illustrated in depth here, but in short: the control should be in the hands of the end-user, not the software/tool the user is installing/using.

I realize this may be a nit, and perhaps to most it is, but this has been accepted by others, so I thought I should present this to the Astro community, in case there are others who are interested in something like this.

Goals

Currently, the directory is only used to store the session token, so perhaps for now that file in particular can be created in XDG_STATE_HOME/astro/session-token.

In the future, if more files are introduced, then they should be placed in accordance to the XDG directory spec.

Example

Here’s my default directories (again, the path these variables point to is completely up to the end-user. Astro Studio CLI should respect these variables, if they exist:

export XDG_CACHE_HOME=${XDG_CACHE_HOME:-$HOME/.cache};
export XDG_CONFIG_HOME=${XDG_CONFIG_HOME:-$HOME/.config};
export XDG_DATA_HOME=${XDG_DATA_HOME:-$HOME/.local/share};
export XDG_STATE_HOME=${XDG_STATE_HOME:-$HOME/.local/state};

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PS: Thanks for building and working on Astro! 💖