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I am trying to tighten up some of our logic around PowerShell over in https://github.com/openai/codex/pull/7607 and it would be helpful to be more precise about `pwsh.exe` versus `powershell.exe`, as they do not accept the exact same input language. To that end, this PR introduces utilities for detecting each on the system. I think we also want to update `get_user_shell_path()` to return PowerShell instead of `None` on Windows, but we'll consider that in a separate PR since it may require more testing.
codex-core
This crate implements the business logic for Codex. It is designed to be used by the various Codex UIs written in Rust.
Dependencies
Note that codex-core makes some assumptions about certain helper utilities being available in the environment. Currently, this support matrix is:
macOS
Expects /usr/bin/sandbox-exec to be present.
Linux
Expects the binary containing codex-core to run the equivalent of codex sandbox linux (legacy alias: codex debug landlock) when arg0 is codex-linux-sandbox. See the codex-arg0 crate for details.
All Platforms
Expects the binary containing codex-core to simulate the virtual apply_patch CLI when arg1 is --codex-run-as-apply-patch. See the codex-arg0 crate for details.