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# Description Fixes multiple issues related to `ENV_CONVERSION` and path-conversion-to-list. * #14681 removed some calls to `convert_env_values()`, but we found that this caused `nu -n` to no longer convert the path properly. * `ENV_CONVERSIONS` have apparently never preserved case, meaning a conversion with a key of `foo` would not update `$env.FOO` but rather create a new environment variable with a different case. * There was a partial code-path that attempted to solve this for `PATH`, but it only worked for `PATH` and `Path`. * `convert_env_values()`, which handled `ENV_CONVERSIONS` was called in multiple places in the startup depending on flags. This PR: * Refactors the startup to handle the conversion in `main()` rather than in each potential startup path * Updates `get_env_var_insensitive()` functions added in #14390 to return the name of the environment variable with its original case. This allows code that updates environment variables to preserve the case. * Makes use of the updated function in `ENV_CONVERSIONS` to preserve the case of any updated environment variables. The `ENV_CONVERSION` key itself is still case **insensitive**. * Makes use of the updated function to preserve the case of the `PATH` environment variable (normally handled separately, regardless of whether or not there was an `ENV_CONVERSION` for it). ## Before `env_convert_values` was run: * Before the user `env.nu` ran, which included `nu -c <commandstring>` and `nu <script.nu>` * Before the REPL loaded, which included `nu -n` ## After `env_convert_values` always runs once in `main()` before any config file is processed or the REPL is started # User-Facing Changes Bug fixes # Tests + Formatting - 🟢 `toolkit fmt` - 🟢 `toolkit clippy` - 🟢 `toolkit test` - 🟢 `toolkit test stdlib` Added additional tests to prevent future regression. # After Submitting There is additional cleanup that should probably be done in `convert_env_values()`. This function previously handled `ENV_CONVERSIONS`, but there is no longer any need for this since `convert_env_vars()` runs whenever `$env.ENV_CONVERSIONS` changes now. This means that the only relevant task in the old `convert_env_values()` is to convert the `PATH` to a list, and ensure that it is a list of strings. It's still calling the `from_string` conversion on every variable (just once) even though there are no `ENV_CONVERSIONS` at this point. Leaving that to another PR though, while we get the core issue fixed with this one. |
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This crate primarily drives the evaluation of expressions.
(Some overlap with nu-protocol)
- Provides
CallExt
Internal Nushell crate
This crate implements components of Nushell and is not designed to support plugin authors or other users directly.