sigoden/aichat · error

No chat response to copy

Error message

No chat response to copy

What it means

The `.copy` REPL command copies the last chat response to the system clipboard; it requires the last message to have non-empty output. If there is no such response, it bails with 'No chat response to copy'. A subsequent clipboard failure is a separate error ('Failed to copy the last chat response').

Solutions

1. Ensure at least one chat response exists in the current session before .copy
2. Send a message and wait for the reply, then run .copy
3. Use .last to verify there is a response to copy

Example fix

// before: .copy right after starting session
.copy
// after
Explain Rc vs Arc
.copy

let has_output = session.last_message.as_ref()
    .map(|m| !m.output.is_empty())
    .unwrap_or(false);
if has_output { repl(".copy")?; } else { eprintln!("No response to copy yet"); }

fn has_copyable_output(last: Option<&LastMessage>) -> bool {
    last.map(|m| !m.output.is_empty()).unwrap_or(false)
}

match repl(".copy") {
    Err(e) if e.to_string() == "No chat response to copy" => {
        eprintln!("Ask a question first; .copy needs a prior response");
    }
    other => other?,
}

When it happens

Trigger: Running `.copy` when the session has no last message, or when the last message's output is empty (e.g. filtered out by `.filter` on empty output).

Common situations: Typing .copy in a fresh session; copying after .empty session; a response that produced no visible output; running in a terminal/environment where last_message is absent after role switching.

Understand the failure class

Background: EmptyResultError / "no results found": when an API or scraper succeeds but returns zero rows — this error's family across 9 libraries.

Related errors

• Already in a session, please run '.exit session' first to…
• No session
• Unable to continue the response
• Unable to regenerate the response
• No need to compress since there are no messages in the…

AI-assisted analysis of sigoden/aichat@82976d349a (2026-09-09). Data as JSON: /api/errors/d17a849c58f63f19. Report an issue: GitHub.

Appendix: source

Thrown at src/repl/mod.rs:672

            },
            ".delete" => match args {
                Some(args) => {
                    Config::delete(config, args)?;
                }
                _ => {
                    println!("Usage: .delete <role|session|rag|macro|agent-data>")
                }
            },
            ".copy" => {
                let output = match config
                    .read()
                    .last_message
                    .as_ref()
                    .filter(|v| !v.output.is_empty())
                    .map(|v| v.output.clone())
                {
                    Some(v) => v,
                    None => bail!("No chat response to copy"),
                };
                set_text(&output).context("Failed to copy the last chat response")?;
            }
            ".exit" => match args {
                Some("role") => {
                    config.write().exit_role()?;
                }
                Some("session") => {
                    if config.read().agent.is_some() {
                        config.write().exit_agent_session()?;
                    } else {
                        config.write().exit_session()?;
                    }
                }
                Some("rag") => {
                    config.write().exit_rag()?;
                }
                Some("agent") => {

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