Zed creates ~/.cache/zed and ignores XDG_CACHE_HOME on MacOS

[ftpd]

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• [X] Completed

Describe the bug / provide steps to reproduce it

Zed creates ~/.cache/zed after each run. It should rather use XDG_CACHE_HOME, which in my case is set to /tmp/ (which doesn't really matter).

Environment

Zed: v0.143.6 (Zed) OS: macOS 15.0.0 Memory: 18 GiB Architecture: aarch64

If applicable, add mockups / screenshots to help explain present your vision of the feature

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If applicable, attach your Zed.log file to this issue.

Zed.log

[notpeter]

Yep. Looks like we are not checking XDG_CACHE_HOME on linux and are only checking FLATPAK_XDG_CACHE_HOME:

https://github.com/zed-industries/zed/blob/489077befcc1ac4e1aa4505fa3f27f1a6528da48/crates/paths/src/paths.rs#L58-L79

Shouldn't be too hard to fix. Happy to accept PRs.

[someone13574]

Yep. Looks like we are not checking XDG_CACHE_HOME on linux

It is checking XDG_CACHE_HOME on linux by calling dirs::cache_dir(). Also, can you remove the linux since this was filed under a MacOS environment and linux is functioning corrrectly?

Environment Zed: v0.143.6 (Zed) OS: macOS 15.0.0 Memory: 18 GiB Architecture: aarch64

MacOS doesn't use XDG environment variables, so it is expected that it wouldn't be followed. Either way, dirs::cache_dir() should probably also be called on MacOS instead of just putting it in .cache it would be put in the proper location $HOME/Library/Caches.

[notpeter]

Sorry I had misread your specs. I've retagged it as MacOS. Nice catch.

I see your point, if we're going to act XDG-like and use ~/.cache/ by default we should consider allowing XDG_CACHE_HOME to override. But I think we are unlikely to respect XDG_CACHE_HOME on MacOS.

It might be appropriate to switch to dirs::cache_dir() as I believe already use ~/Library/Caches/dev.zed.Zed elsewhere. Alternatively we could just use $TMPDIR.

Anyways, I think I understand your request.

[ftpd]

MacOS doesn't use XDG environment variables, so it is expected that it wouldn't be followed.

It's not a task for operating system anyway. Programs running on it do or don't use these variables. I'm setting XDG_*_HOME on both Linux and macOS and I expect software I run to follow it ;-)

~/Library/Caches as a 'hardcoded' value fits me too. Everything but ~/.cache ;-)

[kilingzhang]

Is there any update on this? I also hope to follow this specification or set environment variables directly within the ZED software. Since ZED currently lacks multi-end synchronization for configuration and other data, we can achieve configuration synchronization by synchronizing data within this directory.

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