openai/codex · error · anyhow::Error

failed to determine current user from environment: {err}

Error message

failed to determine current user from environment: {err}

What it means

Error "failed to determine current user from environment: {err}" thrown in openai/codex.

Source

Thrown at codex-rs/cli/src/sandbox_setup.rs:139

        identity.real_user,
        identity.codex_home.display()
    );
    Ok(())
}

struct SandboxSetupIdentity {
    real_user: String,
    codex_home: PathBuf,
}

fn resolve_sandbox_setup_identity(
    cmd: &SandboxSetupCommand,
) -> anyhow::Result<SandboxSetupIdentity> {
    if cmd.current_user {
        let real_user = std::env::var("USERNAME")
            .or_else(|_| std::env::var("USER"))
            .map_err(|err| {
                anyhow::anyhow!("failed to determine current user from environment: {err}")
            })?;
        let codex_home = match cmd.codex_home.clone() {
            Some(codex_home) => codex_home,
            None => find_codex_home()?.to_path_buf(),
        };
        return Ok(SandboxSetupIdentity {
            real_user,
            codex_home,
        });
    }

    let real_user = cmd
        .user
        .clone()
        .ok_or_else(|| anyhow::anyhow!("--user or --current-user is required"))?;
    let codex_home = cmd
        .codex_home
        .clone()

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/cli/src/sandbox_setup.rs:139 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/4632651f26e89b43. Report an issue: GitHub.