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# Note for reviewers The bulk of this PR is in in the new file, `parse_command.rs`. This file is designed to be written TDD and implemented with Codex. Do not worry about reviewing the code, just review the unit tests (if you want). If any cases are missing, we'll add more tests and have Codex fix them. I think the best approach will be to land and iterate. I have some follow-ups I want to do after this lands. The next PR after this will let us merge (and dedupe) multiple sequential cells of the same such as multiple read commands. The deduping will also be important because the model often reads the same file multiple times in a row in chunks === This PR formats common commands like reading, formatting, testing, etc more nicely: It tries to extract things like file names, tests and falls back to the cmd if it doesn't. It also only shows stdout/err if the command failed. <img width="770" height="238" alt="CleanShot 2025-08-09 at 16 05 15" src="https://github.com/user-attachments/assets/0ead179a-8910-486b-aa3d-7d26264d751e" /> <img width="348" height="158" alt="CleanShot 2025-08-09 at 16 05 32" src="https://github.com/user-attachments/assets/4302681b-5e87-4ff3-85b4-0252c6c485a9" /> <img width="834" height="324" alt="CleanShot 2025-08-09 at 16 05 56 2" src="https://github.com/user-attachments/assets/09fb3517-7bd6-40f6-a126-4172106b700f" /> Part 2: https://github.com/openai/codex/pull/2097 Part 3: https://github.com/openai/codex/pull/2110
14 lines
1.4 KiB
Markdown
14 lines
1.4 KiB
Markdown
# Rust/codex-rs
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In the codex-rs folder where the rust code lives:
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- Crate names are prefixed with `codex-`. For examole, the `core` folder's crate is named `codex-core`
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- When using format! and you can inline variables into {}, always do that.
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- Never add or modify any code related to `CODEX_SANDBOX_NETWORK_DISABLED_ENV_VAR` or `CODEX_SANDBOX_ENV_VAR`.
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- You operate in a sandbox where `CODEX_SANDBOX_NETWORK_DISABLED=1` will be set whenever you use the `shell` tool. Any existing code that uses `CODEX_SANDBOX_NETWORK_DISABLED_ENV_VAR` was authored with this fact in mind. It is often used to early exit out of tests that the author knew you would not be able to run given your sandbox limitations.
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- Similarly, when you spawn a process using Seatbelt (`/usr/bin/sandbox-exec`), `CODEX_SANDBOX=seatbelt` will be set on the child process. Integration tests that want to run Seatbelt themselves cannot be run under Seatbelt, so checks for `CODEX_SANDBOX=seatbelt` are also often used to early exit out of tests, as appropriate.
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Before creating a pull request with changes to `codex-rs`, run `just fmt` (in `codex-rs` directory) to format the code and `just fix` (in `codex-rs` directory) to fix any linter issues in the code, ensure the test suite passes by running `cargo test --all-features` in the `codex-rs` directory.
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When making individual changes prefer running tests on individual files or projects first.
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