feat: adding piped process to replace PTY when needed (#8797)

codex-rs/core/src/tools/handlers/unified_exec.rs

@@ -33,6 +33,8 @@ struct ExecCommandArgs {
     shell: Option<String>,
     #[serde(default = "default_login")]
     login: bool,
+    #[serde(default = "default_tty")]
+    tty: bool,
     #[serde(default = "default_exec_yield_time_ms")]
     yield_time_ms: u64,
     #[serde(default)]
@@ -67,6 +69,10 @@ fn default_login() -> bool {
     true
 }
 
+fn default_tty() -> bool {
+    false
+}
+
 #[async_trait]
 impl ToolHandler for UnifiedExecHandler {
     fn kind(&self) -> ToolKind {
@@ -124,6 +130,7 @@ impl ToolHandler for UnifiedExecHandler {
 
                 let ExecCommandArgs {
                     workdir,
+                    tty,
                     yield_time_ms,
                     max_output_tokens,
                     sandbox_permissions,
@@ -173,6 +180,7 @@ impl ToolHandler for UnifiedExecHandler {
                             yield_time_ms,
                             max_output_tokens,
                             workdir,
+                            tty,
                             sandbox_permissions,
                             justification,
                         },

codex-rs/core/src/tools/runtimes/unified_exec.rs

@@ -37,6 +37,7 @@ pub struct UnifiedExecRequest {
     pub command: Vec<String>,
     pub cwd: PathBuf,
     pub env: HashMap<String, String>,
+    pub tty: bool,
     pub sandbox_permissions: SandboxPermissions,
     pub justification: Option<String>,
     pub exec_approval_requirement: ExecApprovalRequirement,
@@ -46,6 +47,7 @@ pub struct UnifiedExecRequest {
 pub struct UnifiedExecApprovalKey {
     pub command: Vec<String>,
     pub cwd: PathBuf,
+    pub tty: bool,
     pub sandbox_permissions: SandboxPermissions,
 }
 
@@ -58,6 +60,7 @@ impl UnifiedExecRequest {
         command: Vec<String>,
         cwd: PathBuf,
         env: HashMap<String, String>,
+        tty: bool,
         sandbox_permissions: SandboxPermissions,
         justification: Option<String>,
         exec_approval_requirement: ExecApprovalRequirement,
@@ -66,6 +69,7 @@ impl UnifiedExecRequest {
             command,
             cwd,
             env,
+            tty,
             sandbox_permissions,
             justification,
             exec_approval_requirement,
@@ -96,6 +100,7 @@ impl Approvable<UnifiedExecRequest> for UnifiedExecRuntime<'_> {
         vec![UnifiedExecApprovalKey {
             command: req.command.clone(),
             cwd: req.cwd.clone(),
+            tty: req.tty,
             sandbox_permissions: req.sandbox_permissions,
         }]
     }
@@ -189,7 +194,7 @@ impl<'a> ToolRuntime<UnifiedExecRequest, UnifiedExecProcess> for UnifiedExecRunt
             .env_for(spec)
             .map_err(|err| ToolError::Codex(err.into()))?;
         self.manager
-            .open_session_with_exec_env(&exec_env)
+            .open_session_with_exec_env(&exec_env, req.tty)
             .await
             .map_err(|err| match err {
                 UnifiedExecError::SandboxDenied { output, .. } => {

codex-rs/core/src/tools/spec.rs

@@ -168,6 +168,15 @@ fn create_exec_command_tool() -> ToolSpec {
                 ),
             },
         ),
+        (
+            "tty".to_string(),
+            JsonSchema::Boolean {
+                description: Some(
+                    "Whether to allocate a TTY for the command. Defaults to false (plain pipes); set to true to open a PTY and access TTY process."
+                        .to_string(),
+                ),
+            }
+        ),
         (
             "yield_time_ms".to_string(),
             JsonSchema::Number {