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This is the first PR towards migrating to a new `$env.PWD` API that returns potentially un-canonicalized paths. Refer to PR #12515 for motivations. ## New API: `EngineState::cwd()` The goal of the new API is to cover both parse-time and runtime use case, and avoid unintentional misuse. It takes an `Option<Stack>` as argument, which if supplied, will search for `$env.PWD` on the stack in additional to the engine state. I think with this design, there's less confusion over parse-time and runtime environments. If you have access to a stack, just supply it; otherwise supply `None`. ## Deprecation of other PWD-related APIs Other APIs are re-implemented using `EngineState::cwd()` and properly documented. They're marked deprecated, but their behavior is unchanged. Unused APIs are deleted, and code that accesses `$env.PWD` directly without using an API is rewritten. Deprecated APIs: * `EngineState::current_work_dir()` * `StateWorkingSet::get_cwd()` * `env::current_dir()` * `env::current_dir_str()` * `env::current_dir_const()` * `env::current_dir_str_const()` Other changes: * `EngineState::get_cwd()` (deleted) * `StateWorkingSet::list_env()` (deleted) * `repl::do_run_cmd()` (rewritten with `env::current_dir_str()`) ## `cd` and `pwd` now use logical paths by default This pulls the changes from PR #12515. It's currently somewhat broken because using non-canonicalized paths exposed a bug in our path normalization logic (Issue #12602). Once that is fixed, this should work. ## Future plans This PR needs some tests. Which test helpers should I use, and where should I put those tests? I noticed that unquoted paths are expanded within `eval_filepath()` and `eval_directory()` before they even reach the `cd` command. This means every paths is expanded twice. Is this intended? Once this PR lands, the plan is to review all usages of the deprecated APIs and migrate them to `EngineState::cwd()`. In the meantime, these usages are annotated with `#[allow(deprecated)]` to avoid breaking CI. --------- Co-authored-by: Jakub Žádník <kubouch@gmail.com> |
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