feat: add support for --sandbox flag

codex-rs/common/src/lib.rs

@@ -7,6 +7,12 @@ pub mod elapsed;
 #[cfg(feature = "cli")]
 pub use approval_mode_cli_arg::ApprovalModeCliArg;
 
+#[cfg(feature = "cli")]
+mod sandbox_mode_cli_arg;
+
+#[cfg(feature = "cli")]
+pub use sandbox_mode_cli_arg::SandboxModeCliArg;
+
 #[cfg(any(feature = "cli", test))]
 mod config_override;
 

codex-rs/common/src/sandbox_mode_cli_arg.rs

@@ -0,0 +1,28 @@
+//! Standard type to use with the `--sandbox` (`-s`) CLI option.
+//!
+//! This mirrors the variants of [`codex_core::protocol::SandboxPolicy`], but
+//! without any of the associated data so it can be expressed as a simple flag
+//! on the command-line. Users that need to tweak the advanced options for
+//! `workspace-write` can continue to do so via `-c` overrides or their
+//! `config.toml`.
+
+use clap::ValueEnum;
+use codex_core::config_types::SandboxMode;
+
+#[derive(Clone, Copy, Debug, ValueEnum)]
+#[value(rename_all = "kebab-case")]
+pub enum SandboxModeCliArg {
+    ReadOnly,
+    WorkspaceWrite,
+    DangerFullAccess,
+}
+
+impl From<SandboxModeCliArg> for SandboxMode {
+    fn from(value: SandboxModeCliArg) -> Self {
+        match value {
+            SandboxModeCliArg::ReadOnly => SandboxMode::ReadOnly,
+            SandboxModeCliArg::WorkspaceWrite => SandboxMode::WorkspaceWrite,
+            SandboxModeCliArg::DangerFullAccess => SandboxMode::DangerFullAccess,
+        }
+    }
+}