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[BREAKING] Stop loading project .env files #3184

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Merged
pakrym-oai merged 2 commits into from
Sep 5, 2025
Merged

[BREAKING] Stop loading project .env files #3184

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2298c05
Load dotenv from codex home only
pakrym-oai Sep 4, 2025
2f080ec
Merge branch 'main' into codex/do-not-load-.env-file
pakrym-oai Sep 5, 2025
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9 changes: 2 additions & 7 deletions codex-rs/arg0/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -21,8 +21,7 @@ const MISSPELLED_APPLY_PATCH_ARG0: &str = "applypatch";
/// `codex-linux-sandbox` we *directly* execute
/// [`codex_linux_sandbox::run_main`] (which never returns). Otherwise we:
///
/// 1. Use [`dotenvy::from_path`] and [`dotenvy::dotenv`] to modify the
/// environment before creating any threads.
/// 1. Load `.env` values from `~/.codex/.env` before creating any threads.
/// 2. Construct a Tokio multi-thread runtime.
/// 3. Derive the path to the current executable (so children can re-invoke the
/// sandbox) when running on Linux.
Expand Down Expand Up @@ -106,7 +105,7 @@ where

const ILLEGAL_ENV_VAR_PREFIX: &str = "CODEX_";

/// Load env vars from ~/.codex/.env and `$(pwd)/.env`.
/// Load env vars from ~/.codex/.env.
///
/// Security: Do not allow `.env` files to create or modify any variables
/// with names starting with `CODEX_`.
Expand All @@ -116,10 +115,6 @@ fn load_dotenv() {
{
set_filtered(iter);
}

if let Ok(iter) = dotenvy::dotenv_iter() {
set_filtered(iter);
}
}

/// Helper to set vars from a dotenvy iterator while filtering out `CODEX_` keys.
Expand Down
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