goose/crates/goose-cli/src/session/output.rs

1610 lines
49 KiB
Rust

use anstream::println;
use bat::WrappingMode;
use console::{measure_text_width, style, Color, Term};
use goose::config::Config;
use goose::conversation::message::{
ActionRequiredData, Message, MessageContent, SystemNotificationContent, SystemNotificationType,
ToolRequest, ToolResponse,
};
use goose::providers::canonical::maybe_get_canonical_model;
#[cfg(target_os = "windows")]
use goose::subprocess::SubprocessExt;
use goose::utils::safe_truncate;
use goose_providers::conversation::token_usage::Usage;
use indicatif::{MultiProgress, ProgressBar, ProgressStyle};
use rmcp::model::{CallToolRequestParams, JsonObject, PromptArgument};
use serde_json::Value;
use std::cell::RefCell;
use std::collections::HashMap;
use std::io::{Error, IsTerminal, Write};
use std::path::Path;
use std::time::Duration;
use super::streaming_buffer::MarkdownBuffer;
pub const DEFAULT_MIN_PRIORITY: f32 = 0.0;
pub const DEFAULT_CLI_LIGHT_THEME: &str = "GitHub";
pub const DEFAULT_CLI_DARK_THEME: &str = "zenburn";
// Re-export theme for use in main
#[derive(Clone, Copy)]
pub enum Theme {
Light,
Dark,
Ansi,
}
impl Theme {
fn as_str(&self) -> String {
match self {
Theme::Light => Config::global()
.get_param::<String>("GOOSE_CLI_LIGHT_THEME")
.unwrap_or(DEFAULT_CLI_LIGHT_THEME.to_string()),
Theme::Dark => Config::global()
.get_param::<String>("GOOSE_CLI_DARK_THEME")
.unwrap_or(DEFAULT_CLI_DARK_THEME.to_string()),
Theme::Ansi => "base16".to_string(),
}
}
fn from_config_str(val: &str) -> Self {
if val.eq_ignore_ascii_case("light") {
Theme::Light
} else if val.eq_ignore_ascii_case("ansi") {
Theme::Ansi
} else {
Theme::Dark
}
}
fn as_config_string(&self) -> String {
match self {
Theme::Light => "light".to_string(),
Theme::Dark => "dark".to_string(),
Theme::Ansi => "ansi".to_string(),
}
}
}
thread_local! {
static CURRENT_THEME: RefCell<Theme> = RefCell::new(
std::env::var("GOOSE_CLI_THEME").ok()
.map(|val| Theme::from_config_str(&val))
.unwrap_or_else(||
Config::global().get_param::<String>("GOOSE_CLI_THEME").ok()
.map(|val| Theme::from_config_str(&val))
.unwrap_or(Theme::Ansi)
)
);
static SHOW_FULL_TOOL_OUTPUT: RefCell<bool> = RefCell::new(
Config::global().get_param::<bool>("GOOSE_SHOW_FULL_OUTPUT").unwrap_or(false)
);
}
pub fn set_theme(theme: Theme) {
let config = Config::global();
config
.set_param("GOOSE_CLI_THEME", theme.as_config_string())
.expect("Failed to set theme");
CURRENT_THEME.with(|t| *t.borrow_mut() = theme);
let config = Config::global();
let theme_str = match theme {
Theme::Light => "light",
Theme::Dark => "dark",
Theme::Ansi => "ansi",
};
if let Err(e) = config.set_param("GOOSE_CLI_THEME", theme_str) {
eprintln!("Failed to save theme setting to config: {}", e);
}
}
pub fn get_theme() -> Theme {
CURRENT_THEME.with(|t| *t.borrow())
}
pub fn toggle_full_tool_output() -> bool {
SHOW_FULL_TOOL_OUTPUT.with(|s| {
let mut val = s.borrow_mut();
*val = !*val;
*val
})
}
pub fn get_show_full_tool_output() -> bool {
SHOW_FULL_TOOL_OUTPUT.with(|s| *s.borrow())
}
// Simple wrapper around spinner to manage its state
#[derive(Default)]
pub struct ThinkingIndicator {
spinner: Option<cliclack::ProgressBar>,
}
impl ThinkingIndicator {
pub fn show(&mut self) {
let spinner = cliclack::spinner();
let hint = style("(Ctrl+C to interrupt)").dim();
if Config::global()
.get_param("RANDOM_THINKING_MESSAGES")
.unwrap_or(true)
{
spinner.start(format!(
"{}... {}",
super::thinking::get_random_thinking_message(),
hint,
));
} else {
spinner.start(format!("Thinking... {}", hint));
}
self.spinner = Some(spinner);
}
pub fn hide(&mut self) {
if let Some(spinner) = self.spinner.take() {
spinner.stop("");
}
}
pub fn is_shown(&self) -> bool {
self.spinner.is_some()
}
}
#[derive(Debug, Clone)]
pub struct PromptInfo {
pub name: String,
pub description: Option<String>,
pub arguments: Option<Vec<PromptArgument>>,
pub extension: Option<String>,
}
// Global thinking indicator
thread_local! {
static THINKING: RefCell<ThinkingIndicator> = RefCell::new(ThinkingIndicator::default());
}
pub fn show_thinking() {
if std::io::stdout().is_terminal() {
THINKING.with(|t| t.borrow_mut().show());
}
}
pub fn hide_thinking() {
if std::io::stdout().is_terminal() {
THINKING.with(|t| t.borrow_mut().hide());
}
}
pub fn run_status_hook(status: &str) {
if let Ok(hook) = Config::global().get_param::<String>("GOOSE_STATUS_HOOK") {
let status = status.to_string();
std::thread::spawn(move || {
#[cfg(target_os = "windows")]
let result = std::process::Command::new("cmd")
.arg("/C")
.arg(format!("{} {}", hook, status))
.stdin(std::process::Stdio::null())
.stdout(std::process::Stdio::null())
.stderr(std::process::Stdio::null())
.set_no_window()
.status();
#[cfg(not(target_os = "windows"))]
let result = std::process::Command::new("sh")
.arg("-c")
.arg(format!("{} {}", hook, status))
.stdin(std::process::Stdio::null())
.stdout(std::process::Stdio::null())
.stderr(std::process::Stdio::null())
.status();
let _ = result;
});
}
}
pub fn is_showing_thinking() -> bool {
THINKING.with(|t| t.borrow().is_shown())
}
pub fn set_thinking_message(s: &String) {
if std::io::stdout().is_terminal() {
THINKING.with(|t| {
if let Some(spinner) = t.borrow_mut().spinner.as_mut() {
spinner.set_message(s);
}
});
}
}
pub fn render_message(message: &Message, debug: bool) {
let theme = get_theme();
for content in &message.content {
match content {
MessageContent::ActionRequired(action) => match &action.data {
ActionRequiredData::ToolConfirmation { tool_name, .. } => {
println!("action_required(tool_confirmation): {}", tool_name)
}
ActionRequiredData::Elicitation { message, .. } => {
println!("action_required(elicitation): {}", message)
}
ActionRequiredData::ElicitationResponse { id, .. } => {
println!("action_required(elicitation_response): {}", id)
}
},
MessageContent::Text(text) => print_markdown(&text.text, theme),
MessageContent::ToolRequest(req) => render_tool_request(req, theme, debug),
MessageContent::ToolResponse(resp) => render_tool_response(resp, debug),
MessageContent::Image(image) => {
println!("Image: [data: {}, type: {}]", image.data, image.mime_type);
}
MessageContent::Thinking(t) => render_thinking(&t.thinking, theme),
MessageContent::RedactedThinking(_) => {
println!("\n{}", style("Thinking:").dim().italic());
print_markdown("Thinking was redacted", theme);
}
MessageContent::SystemNotification(notification) => {
match notification.notification_type {
SystemNotificationType::ThinkingMessage
| SystemNotificationType::ProgressMessage => {
show_thinking();
set_thinking_message(&notification.msg);
}
SystemNotificationType::InlineMessage => {
hide_thinking();
println!("\n{}", style(&notification.msg).yellow());
}
SystemNotificationType::CreditsExhausted => {
render_credits_exhausted_notification(notification);
}
}
}
_ => {
eprintln!("WARNING: Message content type could not be rendered");
}
}
}
let _ = std::io::stdout().flush();
}
/// Render a streaming message, using a buffer to accumulate text content
/// and only render when markdown constructs are complete.
pub fn render_message_streaming(
message: &Message,
buffer: &mut MarkdownBuffer,
thinking_header_shown: &mut bool,
debug: bool,
) {
let theme = get_theme();
for content in &message.content {
if !matches!(content, MessageContent::Thinking(_)) {
if *thinking_header_shown {
println!();
}
*thinking_header_shown = false;
}
match content {
MessageContent::Text(text) => {
if let Some(safe_content) = buffer.push(&text.text) {
print_markdown(&safe_content, theme);
}
}
MessageContent::ToolRequest(req) => {
flush_markdown_buffer(buffer, theme);
render_tool_request(req, theme, debug);
}
MessageContent::ToolResponse(resp) => {
flush_markdown_buffer(buffer, theme);
render_tool_response(resp, debug);
}
MessageContent::ActionRequired(action) => {
flush_markdown_buffer(buffer, theme);
match &action.data {
ActionRequiredData::ToolConfirmation { tool_name, .. } => {
println!("action_required(tool_confirmation): {}", tool_name)
}
ActionRequiredData::Elicitation { message, .. } => {
println!("action_required(elicitation): {}", message)
}
ActionRequiredData::ElicitationResponse { id, .. } => {
println!("action_required(elicitation_response): {}", id)
}
}
}
MessageContent::Image(image) => {
flush_markdown_buffer(buffer, theme);
println!("Image: [data: {}, type: {}]", image.data, image.mime_type);
}
MessageContent::Thinking(t) => {
render_thinking_streaming(&t.thinking, buffer, thinking_header_shown, theme);
}
MessageContent::RedactedThinking(_) => {
flush_markdown_buffer(buffer, theme);
println!("\n{}", style("Thinking:").dim().italic());
print_markdown("Thinking was redacted", theme);
}
MessageContent::SystemNotification(notification) => {
match notification.notification_type {
SystemNotificationType::ThinkingMessage
| SystemNotificationType::ProgressMessage => {
show_thinking();
set_thinking_message(&notification.msg);
}
SystemNotificationType::InlineMessage => {
flush_markdown_buffer(buffer, theme);
hide_thinking();
println!("\n{}", style(&notification.msg).yellow());
}
SystemNotificationType::CreditsExhausted => {
flush_markdown_buffer(buffer, theme);
render_credits_exhausted_notification(notification);
}
}
}
_ => {
flush_markdown_buffer(buffer, theme);
eprintln!("WARNING: Message content type could not be rendered");
}
}
}
let _ = std::io::stdout().flush();
}
fn render_credits_exhausted_notification(notification: &SystemNotificationContent) {
hide_thinking();
println!("\n{}", style(&notification.msg).yellow());
if let Some(url) = notification
.data
.as_ref()
.and_then(|d| d.get("top_up_url"))
.and_then(|v| v.as_str())
{
println!(
"{}",
style(format!("Visit this URL to top up credits: {url}")).yellow()
);
}
}
pub fn get_credits_top_up_url(message: &Message) -> Option<String> {
message.content.iter().find_map(|content| {
let MessageContent::SystemNotification(notification) = content else {
return None;
};
if notification.notification_type != SystemNotificationType::CreditsExhausted {
return None;
}
notification
.data
.as_ref()
.and_then(|d| d.get("top_up_url"))
.and_then(|v| v.as_str())
.map(str::to_string)
})
}
pub fn flush_markdown_buffer(buffer: &mut MarkdownBuffer, theme: Theme) {
let remaining = buffer.flush();
if !remaining.is_empty() {
print_markdown(&remaining, theme);
}
}
pub fn flush_markdown_buffer_current_theme(buffer: &mut MarkdownBuffer) {
flush_markdown_buffer(buffer, get_theme());
}
pub fn render_text(text: &str, color: Option<Color>, dim: bool) {
render_text_no_newlines(format!("\n{}\n\n", text).as_str(), color, dim);
}
pub fn render_text_no_newlines(text: &str, color: Option<Color>, dim: bool) {
if !std::io::stdout().is_terminal() {
println!("{}", text);
return;
}
let mut styled_text = style(text);
if dim {
styled_text = styled_text.dim();
}
if let Some(color) = color {
styled_text = styled_text.fg(color);
} else {
styled_text = styled_text.green();
}
print!("{}", styled_text);
}
pub fn render_enter_plan_mode() {
println!(
"\n{} {}\n",
style("Entering plan mode.").green().bold(),
style("You can provide instructions to create a plan and then act on it. To exit early, type /endplan")
.green()
.dim()
);
}
pub fn render_act_on_plan() {
println!(
"\n{}\n",
style("Exiting plan mode and acting on the above plan")
.green()
.bold(),
);
}
pub fn render_exit_plan_mode() {
println!("\n{}\n", style("Exiting plan mode.").green().bold());
}
pub fn goose_mode_message(text: &str) {
println!("\n{}", style(text).yellow(),);
}
fn should_show_thinking() -> bool {
Config::global()
.get_param::<bool>("GOOSE_CLI_SHOW_THINKING")
.unwrap_or(false)
&& std::io::stdout().is_terminal()
}
fn render_thinking(text: &str, theme: Theme) {
if should_show_thinking() {
println!("\n{}", style("Thinking:").dim().italic());
print_markdown(text, theme);
}
}
fn render_thinking_streaming(
text: &str,
buffer: &mut MarkdownBuffer,
header_shown: &mut bool,
theme: Theme,
) {
if should_show_thinking() {
flush_markdown_buffer(buffer, theme);
if !*header_shown {
println!("\n{}", style("Thinking:").dim().italic());
*header_shown = true;
}
print!("{}", style(text).dim());
let _ = std::io::stdout().flush();
}
}
fn render_tool_request(req: &ToolRequest, theme: Theme, debug: bool) {
match &req.tool_call {
Ok(call) => match call.name.to_string().as_str() {
name if is_shell_tool_name(name) => render_shell_request(call, debug),
name if is_file_tool_name(name) => render_text_editor_request(call, debug),
"execute_typescript" | "execute_code" => render_execute_code_request(call, debug),
"delegate" => render_delegate_request(call, debug),
"subagent" => render_delegate_request(call, debug),
"todo__write" => render_todo_request(call, debug),
"load" => {}
_ => render_default_request(call, debug),
},
Err(e) => print_markdown(&e.to_string(), theme),
}
}
fn render_tool_response(resp: &ToolResponse, debug: bool) {
let config = Config::global();
match &resp.tool_result {
Ok(result) => {
for content in &result.content {
if let Some(audience) = content.audience() {
if !audience.contains(&rmcp::model::Role::User) {
continue;
}
}
let min_priority = config
.get_param::<f32>("GOOSE_CLI_MIN_PRIORITY")
.ok()
.unwrap_or(DEFAULT_MIN_PRIORITY);
if content
.priority()
.is_some_and(|priority| priority < min_priority)
|| (content.priority().is_none() && !debug)
{
continue;
}
if debug {
println!("{:#?}", content);
} else if let Some(text) = content.as_text() {
print_tool_output(&text.text);
}
}
}
Err(e) => {
println!(" {}", style(e.to_string()).red().dim());
}
}
}
fn print_tool_output(text: &str) {
if text.is_empty() {
return;
}
if !std::io::stdout().is_terminal() {
print!("{}", text);
return;
}
let max_lines = if get_show_full_tool_output() {
usize::MAX
} else {
20
};
let lines: Vec<&str> = text.lines().collect();
if lines.len() <= max_lines {
for line in &lines {
println!(" {}", style(line).dim());
}
} else {
let head = max_lines / 2;
let tail = max_lines - head;
for line in &lines[..head] {
println!(" {}", style(line).dim());
}
println!(
" {}",
style(format!(
"... ({} lines hidden, /toggle to show all)",
lines.len() - head - tail
))
.dim()
.italic()
);
for line in &lines[lines.len() - tail..] {
println!(" {}", style(line).dim());
}
}
}
fn is_shell_tool_name(name: &str) -> bool {
matches!(name, "shell")
}
fn is_file_tool_name(name: &str) -> bool {
matches!(name, "write" | "edit")
}
pub fn render_error(message: &str) {
println!("\n {} {}\n", style("error:").red().bold(), message);
}
pub fn render_prompts(prompts: &HashMap<String, Vec<String>>) {
println!();
for (extension, prompts) in prompts {
println!(" {}", style(extension).green());
for prompt in prompts {
println!(" - {}", style(prompt).cyan());
}
}
println!();
}
pub fn render_prompt_info(info: &PromptInfo) {
println!();
if let Some(ext) = &info.extension {
println!(" {}: {}", style("Extension").green(), ext);
}
println!(" Prompt: {}", style(&info.name).cyan().bold());
if let Some(desc) = &info.description {
println!("\n {}", desc);
}
render_arguments(info);
println!();
}
fn render_arguments(info: &PromptInfo) {
if let Some(args) = &info.arguments {
println!("\n Arguments:");
for arg in args {
let required = arg.required.unwrap_or(false);
let req_str = if required {
style("(required)").red()
} else {
style("(optional)").dim()
};
println!(
" {} {} {}",
style(&arg.name).yellow(),
req_str,
arg.description.as_deref().unwrap_or("")
);
}
}
}
pub fn render_extension_success(name: &str) {
println!();
println!(
" {} extension `{}`",
style("added").green(),
style(name).cyan(),
);
println!();
}
pub fn render_extension_error(name: &str, error: &str) {
println!();
println!(
" {} to add extension {}",
style("failed").red(),
style(name).red()
);
println!();
println!("{}", style(error).dim());
println!();
}
pub fn render_builtin_success(names: &str) {
println!();
println!(
" {} builtin{}: {}",
style("added").green(),
if names.contains(',') { "s" } else { "" },
style(names).cyan()
);
println!();
}
pub fn render_builtin_error(names: &str, error: &str) {
println!();
println!(
" {} to add builtin{}: {}",
style("failed").red(),
if names.contains(',') { "s" } else { "" },
style(names).red()
);
println!();
println!("{}", style(error).dim());
println!();
}
fn render_text_editor_request(call: &CallToolRequestParams, debug: bool) {
print_tool_header(call);
if let Some(args) = &call.arguments {
if let Some(Value::String(path)) = args.get("path") {
println!(
" {} {}",
style("path").dim(),
style(shorten_path(path, debug)).dim()
);
}
if let Some(args) = &call.arguments {
let mut other_args = serde_json::Map::new();
for (k, v) in args {
if k != "path" {
other_args.insert(k.clone(), v.clone());
}
}
if !other_args.is_empty() {
print_params(&Some(other_args), 1, debug);
}
}
}
println!();
}
fn render_shell_request(call: &CallToolRequestParams, debug: bool) {
print_tool_header(call);
print_params(&call.arguments, 1, debug);
println!();
}
fn render_execute_code_request(call: &CallToolRequestParams, debug: bool) {
let tool_graph = call
.arguments
.as_ref()
.and_then(|args| args.get("tool_graph"))
.and_then(Value::as_array)
.filter(|arr| !arr.is_empty());
let Some(tool_graph) = tool_graph else {
return render_default_request(call, debug);
};
let count = tool_graph.len();
let plural = if count == 1 { "" } else { "s" };
println!();
println!(
" {} {} {} tool call{}",
style("").dim(),
style("execute").dim(),
style(count).dim(),
plural,
);
for (i, node) in tool_graph.iter().filter_map(Value::as_object).enumerate() {
let tool = node
.get("tool")
.and_then(Value::as_str)
.unwrap_or("unknown");
let desc = node
.get("description")
.and_then(Value::as_str)
.unwrap_or("");
let deps: Vec<_> = node
.get("depends_on")
.and_then(Value::as_array)
.into_iter()
.flatten()
.filter_map(Value::as_u64)
.map(|d| (d + 1).to_string())
.collect();
let deps_str = if deps.is_empty() {
String::new()
} else {
format!(" (uses {})", deps.join(", "))
};
println!(
" {}. {} {}{}",
style(i + 1).dim(),
style(tool).dim(),
style(desc).dim(),
style(deps_str).dim()
);
}
let code = call
.arguments
.as_ref()
.and_then(|args| args.get("code"))
.and_then(Value::as_str)
.filter(|c| !c.is_empty());
if code.is_some_and(|_| debug) {
println!("{}", style(code.unwrap_or_default()).green());
}
println!();
}
fn render_delegate_request(call: &CallToolRequestParams, debug: bool) {
print_tool_header(call);
if let Some(args) = &call.arguments {
if let Some(Value::String(source)) = args.get("source") {
println!(" {} {}", style("source").dim(), style(source).dim());
}
if let Some(Value::String(instructions)) = args.get("instructions") {
let display = if instructions.len() > 100 && !debug {
safe_truncate(instructions, 100)
} else {
instructions.clone()
};
println!(
" {} {}",
style("instructions").dim(),
style(display).dim()
);
}
if let Some(Value::Object(params)) = args.get("parameters") {
println!(" {}:", style("parameters").dim());
print_params(&Some(params.clone()), 2, debug);
}
let skip_keys = ["source", "instructions", "parameters"];
let mut other_args = serde_json::Map::new();
for (k, v) in args {
if !skip_keys.contains(&k.as_str()) {
other_args.insert(k.clone(), v.clone());
}
}
if !other_args.is_empty() {
print_params(&Some(other_args), 1, debug);
}
}
println!();
}
fn render_todo_request(call: &CallToolRequestParams, _debug: bool) {
print_tool_header(call);
if let Some(args) = &call.arguments {
if let Some(Value::String(content)) = args.get("content") {
println!(" {} {}", style("content").dim(), style(content).dim());
}
}
println!();
}
fn render_default_request(call: &CallToolRequestParams, debug: bool) {
print_tool_header(call);
print_params(&call.arguments, 1, debug);
println!();
}
fn split_tool_name(tool_name: &str) -> (String, String) {
let parts: Vec<_> = tool_name.rsplit("__").collect();
let tool = parts.first().copied().unwrap_or("unknown");
let extension = parts
.split_first()
.map(|(_, s)| s.iter().rev().copied().collect::<Vec<_>>().join("__"))
.unwrap_or_default();
(tool.to_string(), extension_display_name(&extension))
}
fn extension_display_name(name: &str) -> String {
match name {
"code_execution" => "Code Mode".to_string(),
_ => name.to_string(),
}
}
pub fn format_subagent_tool_call_message(subagent_id: &str, tool_name: &str) -> String {
let short_id = subagent_id.rsplit('_').next().unwrap_or(subagent_id);
let (tool, extension) = split_tool_name(tool_name);
if extension.is_empty() {
format!("[subagent:{}] {}", short_id, tool)
} else {
format!("[subagent:{}] {} | {}", short_id, tool, extension)
}
}
pub fn render_subagent_tool_call(
subagent_id: &str,
tool_name: &str,
arguments: Option<&JsonObject>,
debug: bool,
) {
if tool_name == "code_execution__execute_typescript" {
let tool_graph = arguments
.and_then(|args| args.get("tool_graph"))
.and_then(Value::as_array)
.filter(|arr| !arr.is_empty());
if let Some(tool_graph) = tool_graph {
return render_subagent_tool_graph(subagent_id, tool_graph);
}
}
let tool_header = format!(
" {} {}",
style("").dim(),
style(format_subagent_tool_call_message(subagent_id, tool_name)).dim(),
);
println!();
println!("{}", tool_header);
print_params(&arguments.cloned(), 1, debug);
println!();
}
fn render_subagent_tool_graph(subagent_id: &str, tool_graph: &[Value]) {
let short_id = subagent_id.rsplit('_').next().unwrap_or(subagent_id);
let count = tool_graph.len();
let plural = if count == 1 { "" } else { "s" };
println!();
println!(
" {} {} {} {} tool call{}",
style("").dim(),
style(format!("[subagent:{}]", short_id)).dim(),
style("execute_typescript").dim(),
style(count).dim(),
plural,
);
for (i, node) in tool_graph.iter().filter_map(Value::as_object).enumerate() {
let tool = node
.get("tool")
.and_then(Value::as_str)
.unwrap_or("unknown");
let desc = node
.get("description")
.and_then(Value::as_str)
.unwrap_or("");
let deps: Vec<_> = node
.get("depends_on")
.and_then(Value::as_array)
.into_iter()
.flatten()
.filter_map(Value::as_u64)
.map(|d| (d + 1).to_string())
.collect();
let deps_str = if deps.is_empty() {
String::new()
} else {
format!(" (uses {})", deps.join(", "))
};
println!(
" {}. {} {}{}",
style(i + 1).dim(),
style(tool).dim(),
style(desc).dim(),
style(deps_str).dim()
);
}
println!();
}
// Helper functions
fn print_tool_header(call: &CallToolRequestParams) {
let (tool, extension) = split_tool_name(&call.name);
let tool_header = if extension.is_empty() {
format!(" {} {}", style("").dim(), style(&tool).dim())
} else {
format!(
" {} {} {}",
style("").dim(),
style(&tool).dim(),
style(extension).magenta().dim(),
)
};
println!();
println!(" {}", style("".repeat(40)).dim());
println!("{}", tool_header);
}
// Respect NO_COLOR, as https://crates.io/crates/console already does
pub fn env_no_color() -> bool {
// if NO_COLOR is defined at all disable colors
std::env::var_os("NO_COLOR").is_none()
}
fn print_markdown(content: &str, theme: Theme) {
if std::io::stdout().is_terminal() {
if let Some((before, table, after)) = extract_markdown_table(content) {
if !before.is_empty() {
print_markdown_raw(&before, theme);
}
print_table(&table, theme);
if !after.is_empty() {
print_markdown(after, theme);
}
} else {
print_markdown_raw(content, theme);
}
} else {
print!("{}", content);
}
}
/// Renders markdown content using bat (no table processing)
fn print_markdown_raw(content: &str, theme: Theme) {
bat::PrettyPrinter::new()
.input(bat::Input::from_bytes(content.as_bytes()))
.theme(theme.as_str())
.colored_output(env_no_color())
.language("Markdown")
.wrapping_mode(WrappingMode::NoWrapping(true))
.print()
.unwrap();
}
fn extract_markdown_table(content: &str) -> Option<(String, Vec<&str>, &str)> {
let lines: Vec<&str> = content.lines().collect();
// Track newline positions for safe slicing later
let newline_indices: Vec<usize> = content
.bytes()
.enumerate()
.filter_map(|(i, b)| if b == b'\n' { Some(i) } else { None })
.collect();
// Skip tables inside code blocks
let mut in_code_block = false;
let mut table_start = None;
let mut table_end = None;
for (i, line) in lines.iter().enumerate() {
let trimmed = line.trim();
if trimmed.starts_with("```") || trimmed.starts_with("~~~") {
in_code_block = !in_code_block;
continue;
}
if in_code_block {
continue;
}
if trimmed.starts_with('|') && trimmed.ends_with('|') {
if table_start.is_none() {
table_start = Some(i);
}
table_end = Some(i);
} else if table_start.is_some() {
break;
}
}
let start = table_start?;
let end = table_end?;
// Need at least header + separator (2 rows minimum)
if end < start + 1 {
return None;
}
// Require separator to be the second row with proper format
let separator_line = lines.get(start + 1)?;
let is_valid_separator = separator_line.trim().starts_with('|')
&& separator_line.trim().ends_with('|')
&& separator_line
.trim()
.trim_matches('|')
.split('|')
.all(|cell| {
let t = cell.trim();
!t.is_empty() && t.chars().all(|c| c == '-' || c == ':' || c == ' ')
});
if !is_valid_separator {
return None;
}
let before = lines[..start].join("\n");
let before = if before.is_empty() {
before
} else {
before + "\n"
};
let table = lines[start..=end].to_vec();
let after = if end + 1 >= lines.len() {
""
} else if let Some(&newline_pos) = newline_indices.get(end) {
content.get(newline_pos + 1..).unwrap_or("")
} else {
""
};
Some((before, table, after))
}
fn print_table(table_lines: &[&str], theme: Theme) {
use comfy_table::{presets, Cell, CellAlignment, ContentArrangement, Table};
let mut table = Table::new();
table.set_content_arrangement(ContentArrangement::Dynamic);
table.load_preset(presets::ASCII_MARKDOWN);
let mut rows: Vec<Vec<String>> = Vec::new();
let mut alignments: Vec<CellAlignment> = Vec::new();
let mut separator_idx = None;
for (i, line) in table_lines.iter().enumerate() {
let cells: Vec<String> = line
.trim()
.trim_matches('|')
.split('|')
.map(|s| s.trim().to_string())
.collect();
let is_separator = cells.iter().all(|c| {
let t = c.trim();
t.chars().all(|ch| ch == '-' || ch == ':') && t.contains('-')
});
if is_separator {
separator_idx = Some(i);
alignments = cells
.iter()
.map(|c| {
let t = c.trim();
if t.starts_with(':') && t.ends_with(':') {
CellAlignment::Center
} else if t.ends_with(':') {
CellAlignment::Right
} else {
CellAlignment::Left
}
})
.collect();
} else {
rows.push(cells);
}
}
if separator_idx.is_none() && !rows.is_empty() {
alignments = vec![CellAlignment::Left; rows[0].len()];
}
if let Some(header) = rows.first() {
let header_cells: Vec<Cell> = header
.iter()
.enumerate()
.map(|(i, text)| {
let cell = Cell::new(text);
if let Some(align) = alignments.get(i) {
cell.set_alignment(*align)
} else {
cell
}
})
.collect();
table.set_header(header_cells);
}
for row in rows.iter().skip(1) {
let cells: Vec<Cell> = row
.iter()
.enumerate()
.map(|(i, text)| {
let cell = Cell::new(text);
if let Some(align) = alignments.get(i) {
cell.set_alignment(*align)
} else {
cell
}
})
.collect();
table.add_row(cells);
}
let table_str = table.to_string();
print_markdown_raw(&table_str, theme);
}
const INDENT: &str = " ";
fn print_value_with_prefix(prefix: &String, value: &Value, debug: bool) {
let prefix_width = measure_text_width(prefix.as_str());
print!("{}", prefix);
print_value(value, debug, prefix_width)
}
fn print_value(value: &Value, debug: bool, reserve_width: usize) {
let max_width = Term::stdout()
.size_checked()
.map(|(_h, w)| (w as usize).saturating_sub(reserve_width));
let show_full = get_show_full_tool_output();
let formatted = match value {
Value::String(s) => match (max_width, debug || show_full) {
(Some(w), false) if s.len() > w => style(safe_truncate(s, w)),
_ => style(s.to_string()),
}
.green(),
Value::Number(n) => style(n.to_string()).yellow(),
Value::Bool(b) => style(b.to_string()).yellow(),
Value::Null => style("null".to_string()).dim(),
_ => unreachable!(),
};
println!("{}", formatted);
}
fn print_params(value: &Option<JsonObject>, depth: usize, debug: bool) {
let indent = INDENT.repeat(depth);
if let Some(json_object) = value {
for (key, val) in json_object.iter() {
match val {
Value::Object(obj) => {
println!("{}{}:", indent, style(key).dim());
print_params(&Some(obj.clone()), depth + 1, debug);
}
Value::Array(arr) => {
// Check if all items are simple values (not objects or arrays)
let all_simple = arr.iter().all(|item| {
matches!(
item,
Value::String(_) | Value::Number(_) | Value::Bool(_) | Value::Null
)
});
if all_simple {
// Render inline for simple arrays, truncation will be handled by print_value if needed
let values: Vec<String> = arr
.iter()
.map(|item| match item {
Value::String(s) => s.clone(),
Value::Number(n) => n.to_string(),
Value::Bool(b) => b.to_string(),
Value::Null => "null".to_string(),
_ => unreachable!(),
})
.collect();
let joined_values = values.join(", ");
print_value_with_prefix(
&format!("{}{}: ", indent, style(key).dim()),
&Value::String(joined_values),
debug,
);
} else {
// Use the original multi-line format for complex arrays
println!("{}{}:", indent, style(key).dim());
for item in arr.iter() {
if let Value::Object(obj) = item {
println!("{}{}- ", indent, INDENT);
print_params(&Some(obj.clone()), depth + 2, debug);
} else {
println!("{}{}- {}", indent, INDENT, item);
}
}
}
}
_ => {
print_value_with_prefix(
&format!("{}{}: ", indent, style(key).dim()),
val,
debug,
);
}
}
}
}
}
fn shorten_path(path: &str, debug: bool) -> String {
// In debug mode, return the full path
if debug {
return path.to_string();
}
let path = Path::new(path);
// First try to convert to ~ if it's in home directory
let home = etcetera::home_dir().ok();
let path_str = if let Some(home) = home {
if let Ok(stripped) = path.strip_prefix(home) {
format!("~/{}", stripped.display())
} else {
path.display().to_string()
}
} else {
path.display().to_string()
};
// If path is already short enough, return as is
if path_str.len() <= 60 {
return path_str;
}
let parts: Vec<_> = path_str.split('/').collect();
// If we have 3 or fewer parts, return as is
if parts.len() <= 3 {
return path_str;
}
// Keep the first component (empty string before root / or ~) and last two components intact
let mut shortened = vec![parts[0].to_string()];
// Shorten middle components to their first letter
for component in &parts[1..parts.len() - 2] {
if !component.is_empty() {
shortened.push(component.chars().next().unwrap_or('?').to_string());
}
}
// Add the last two components
shortened.push(parts[parts.len() - 2].to_string());
shortened.push(parts[parts.len() - 1].to_string());
shortened.join("/")
}
pub fn display_session_info(
resume: bool,
provider: &str,
model: &str,
session_id: &Option<String>,
) {
set_terminal_title();
let status = if resume {
"resuming"
} else if session_id.is_none() {
"ephemeral"
} else {
"new session"
};
let model_display = model.to_string();
let cwd_display = std::env::current_dir()
.ok()
.map(|p| p.display().to_string())
.unwrap_or_else(|| "unknown".to_string());
// ASCII art goose with session info on the right
println!();
println!(
" {} {} {} {} {} {}",
style(" __( O)>").white(),
style("").green(),
style(status).dim(),
style("·").dim(),
style(provider).dim(),
style(&model_display).cyan(),
);
if let Some(id) = session_id {
println!(
" {} {} {} {}",
style(r" \____)").white(),
style(" ").dim(),
style(id).dim(),
style(format!("· {}", cwd_display)).dim(),
);
} else {
println!(
" {} {} {}",
style(r" \____)").white(),
style(" ").dim(),
style(format!(" {}", cwd_display)).dim(),
);
}
println!(
" {} {}",
style(" L L").white(),
style(" goose is ready").white()
);
}
fn set_terminal_title() {
if !std::io::stdout().is_terminal() {
return;
}
let dir_name = std::env::current_dir()
.ok()
.and_then(|p| p.file_name().map(|n| n.to_string_lossy().into_owned()))
.unwrap_or_default();
// Sanitize: strip control characters (ESC, BEL, etc.) to prevent terminal escape injection
let sanitized: String = dir_name.chars().filter(|c| !c.is_control()).collect();
// OSC 0 sets the terminal window/tab title
print!("\x1b]0;🪿 {}\x07", sanitized);
let _ = std::io::stdout().flush();
}
pub fn display_context_usage(total_tokens: usize, context_limit: usize) {
use console::style;
if context_limit == 0 {
println!(
" {}",
style("context usage unavailable (context limit is 0)").dim()
);
return;
}
let percentage =
(((total_tokens as f64 / context_limit as f64) * 100.0).round() as usize).min(100);
let bar_width = 20;
let filled = ((percentage as f64 / 100.0) * bar_width as f64).round() as usize;
let empty = bar_width - filled.min(bar_width);
let bar = format!("{}{}", "".repeat(filled), "".repeat(empty));
let colored_bar = if percentage < 50 {
style(bar).green().dim()
} else if percentage < 85 {
style(bar).yellow()
} else {
style(bar).red()
};
fn format_tokens(n: usize) -> String {
if n >= 1_000_000 {
format!("{:.1}M", n as f64 / 1_000_000.0)
} else if n >= 1_000 {
format!("{:.0}k", n as f64 / 1_000.0)
} else {
n.to_string()
}
}
println!(
" {} {} {}",
colored_bar,
style(format!("{}%", percentage)).dim(),
style(format!(
"{}/{}",
format_tokens(total_tokens),
format_tokens(context_limit)
))
.dim(),
);
}
fn estimate_cost_usd(provider: &str, model: &str, usage: &Usage) -> Option<f64> {
let canonical_model = maybe_get_canonical_model(provider, model)?;
canonical_model.cost.estimate_cost(usage)
}
/// Display cost information, if price data is available.
pub fn display_cost_usage(provider: &str, model: &str, usage: &Usage) {
if let Some(cost) = estimate_cost_usd(provider, model, usage) {
use console::style;
let input_tokens = usage.input_tokens.unwrap_or(0);
let output_tokens = usage.output_tokens.unwrap_or(0);
let cache_read = usage.cache_read_input_tokens.unwrap_or(0);
let cache_write = usage.cache_write_input_tokens.unwrap_or(0);
let cache_breakdown = match (cache_read, cache_write) {
(0, 0) => String::new(),
(read, 0) => format!(" ({} cache read)", read),
(0, write) => format!(" ({} cache write)", write),
(read, write) => format!(" ({} cache read, {} cache write)", read, write),
};
eprintln!(
"Cost: {} USD ({} tokens: in {}{}, out {})",
style(format!("${:.4}", cost)).cyan(),
input_tokens + output_tokens,
input_tokens,
cache_breakdown,
output_tokens
);
}
}
pub struct McpSpinners {
bars: HashMap<String, ProgressBar>,
log_spinner: Option<ProgressBar>,
multi_bar: MultiProgress,
}
impl McpSpinners {
pub fn new() -> Self {
McpSpinners {
bars: HashMap::new(),
log_spinner: None,
multi_bar: MultiProgress::new(),
}
}
pub fn log(&mut self, message: &str) {
let spinner = self.log_spinner.get_or_insert_with(|| {
let bar = self.multi_bar.add(
ProgressBar::new_spinner()
.with_style(
ProgressStyle::with_template("{spinner:.green} {msg}")
.unwrap()
.tick_chars("⠋⠙⠚⠛⠓⠒⠊⠉"),
)
.with_message(message.to_string()),
);
bar.enable_steady_tick(Duration::from_millis(100));
bar
});
spinner.set_message(message.to_string());
}
pub fn update(&mut self, token: &str, value: f64, total: Option<f64>, message: Option<&str>) {
let bar = self.bars.entry(token.to_string()).or_insert_with(|| {
if let Some(total) = total {
self.multi_bar.add(
ProgressBar::new((total * 100_f64) as u64).with_style(
ProgressStyle::with_template("[{elapsed}] {bar:40} {pos:>3}/{len:3} {msg}")
.unwrap(),
),
)
} else {
self.multi_bar.add(ProgressBar::new_spinner())
}
});
bar.set_position((value * 100_f64) as u64);
if let Some(msg) = message {
bar.set_message(msg.to_string());
}
}
pub fn hide(&mut self) -> Result<(), Error> {
self.bars.iter_mut().for_each(|(_, bar)| {
bar.disable_steady_tick();
});
if let Some(spinner) = self.log_spinner.as_mut() {
spinner.disable_steady_tick();
}
self.multi_bar.clear()
}
}
#[cfg(test)]
mod tests {
use super::*;
use serde_json::json;
use std::env;
#[test]
fn test_short_paths_unchanged() {
assert_eq!(shorten_path("/usr/bin", false), "/usr/bin");
assert_eq!(shorten_path("/a/b/c", false), "/a/b/c");
assert_eq!(shorten_path("file.txt", false), "file.txt");
}
#[test]
fn test_debug_mode_returns_full_path() {
assert_eq!(
shorten_path("/very/long/path/that/would/normally/be/shortened", true),
"/very/long/path/that/would/normally/be/shortened"
);
}
#[test]
fn test_home_directory_conversion() {
// Save the current home dir
let original_home = env::var("HOME").ok();
// Set a test home directory
env::set_var("HOME", "/Users/testuser");
assert_eq!(
shorten_path("/Users/testuser/documents/file.txt", false),
"~/documents/file.txt"
);
// A path that starts similarly to home but isn't in home
assert_eq!(
shorten_path("/Users/testuser2/documents/file.txt", false),
"/Users/testuser2/documents/file.txt"
);
// Restore the original home dir
if let Some(home) = original_home {
env::set_var("HOME", home);
} else {
env::remove_var("HOME");
}
}
#[test]
fn test_toggle_full_tool_output() {
let initial = get_show_full_tool_output();
let after_first_toggle = toggle_full_tool_output();
assert_eq!(after_first_toggle, !initial);
assert_eq!(get_show_full_tool_output(), after_first_toggle);
let after_second_toggle = toggle_full_tool_output();
assert_eq!(after_second_toggle, initial);
assert_eq!(get_show_full_tool_output(), initial);
}
#[test]
fn test_long_path_shortening() {
assert_eq!(
shorten_path(
"/vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv/long/path/with/many/components/file.txt",
false
),
"/v/l/p/w/m/components/file.txt"
);
}
#[test]
fn test_get_credits_top_up_url_from_credits_notification() {
let message = Message::assistant().with_system_notification_with_data(
SystemNotificationType::CreditsExhausted,
"Insufficient credits",
json!({"top_up_url": "https://router.tetrate.ai/billing"}),
);
assert_eq!(
get_credits_top_up_url(&message).as_deref(),
Some("https://router.tetrate.ai/billing")
);
}
#[test]
fn test_get_credits_top_up_url_ignores_non_credits_notification() {
let message = Message::assistant().with_system_notification_with_data(
SystemNotificationType::InlineMessage,
"hello",
json!({"top_up_url": "https://router.tetrate.ai/billing"}),
);
assert_eq!(get_credits_top_up_url(&message), None);
}
}