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fix(acp): Allow multiple Ctrl-C calls to exit program #82

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Merged
CSRessel merged 1 commit into from
Dec 6, 2025
Merged

fix(acp): Allow multiple Ctrl-C calls to exit program #82

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17 changes: 15 additions & 2 deletions codex-rs/acp/src/backend.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -179,6 +179,19 @@ impl AcpBackend {
} => {
self.handle_exec_approval(&call_id, decision).await;
}
Op::Shutdown => {
// Cancel any in-progress session and send ShutdownComplete
// to allow the TUI to exit properly
debug!("Processing Op::Shutdown in ACP mode");
let _ = self.connection.cancel(&self.session_id).await;
let _ = self
.event_tx
.send(Event {
id: id.clone(),
msg: EventMsg::ShutdownComplete,
})
.await;
}
// Unsupported operations - send error event per user decision
Op::Compact
| Op::Undo
Expand All @@ -198,8 +211,7 @@ impl AcpBackend {
// These ops are internal/context-related, silently ignore
Op::UserTurn { .. }
| Op::OverrideTurnContext { .. }
| Op::ResolveElicitation { .. }
| Op::Shutdown => {
| Op::ResolveElicitation { .. } => {
debug!("Ignoring internal Op in ACP mode: {}", get_op_name(&op));
}
// Catch any new Op variants we haven't handled
Expand Down Expand Up @@ -604,6 +616,7 @@ mod tests {
assert_eq!(get_op_name(&Op::Compact), "Compact");
assert_eq!(get_op_name(&Op::Undo), "Undo");
assert_eq!(get_op_name(&Op::UserInput { items: vec![] }), "UserInput");
assert_eq!(get_op_name(&Op::Shutdown), "Shutdown");
}

/// Test that generate_id produces unique IDs.
Expand Down
4 changes: 4 additions & 0 deletions codex-rs/tui-pty-e2e/tests/acp_mode.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -218,6 +218,10 @@ fn test_acp_approval_full_flow() {
.expect("TUI should remain functional for further input");
}

// NOTE: Ctrl-C tests cannot be implemented as E2E tests because the PTY
// environment intercepts Ctrl-C (0x03) as SIGINT before it reaches the TUI.
// The Op::Shutdown handling is tested via unit tests in acp/src/backend.rs instead.

/// Test snapshot of ACP mode startup screen
#[test]
#[ignore] // Flaky: ListCustomPrompts error timing varies between runs
Expand Down
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