Add caching and don't clear environments all the time#134
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This prevents users from using binaries, etc., that are already installed on the environment.
Need to add envs after we clear_env!
konstantinoscs
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Nov 19, 2025
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Generally looks ok to me
| cache_dir: Option<PathBuf>, | ||
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| // protected_mode is a flag that indicates whether the UV instance is in protected mode. | ||
| // In protected mode, the UV instance do things like clear the environment variables before |
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| // In protected mode, the UV instance do things like clear the environment variables before | |
| // In protected mode, the UV instance does things like clear the environment variables before |
| // that you don't have to create underlying directory, uv will do that automagically for us. | ||
| pub fn default_cache_dir() -> PathBuf { | ||
| let dir = dirs::data_local_dir().unwrap(); | ||
| dir.join("tower").join("cache") |
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I wonder if this should be a hidden folder (prefixed with .)
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Typically it ends up in the .local dir in your home directory (which is way data_local_dir resolves to in this package) so it's kinda hidden.
| // cache_dir is the directory that dependencies should be cached in. | ||
| cache_dir: Option<PathBuf>, | ||
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| // protected_mode is a flag that indicates whether the UV instance is in protected mode. |
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Is protected mode something that comes from UV itself or our own terminology?
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It's my own fancy new term :) We'll need to iterate on this a bit.
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Clearing the environment isolates the process too much from the host. This makes it difficult to do things like use pre-installed assets on the relevant host.