feat: turbo info command for debugging (#9368)

### Description

A command to provide debugging information for reproductions or
otherwise understand a machine better. Output will look something close
to this.

```
CLI:
   Version: 2.2.4-canary.4
   Location: /Users/anthonyshew/projects/open/turbo/target/debug/turbo
   Daemon status: Running
   Package manager: pnpm

Platform:
   Architecture: aarch64
   Operating system: macos
   Available memory (MB): 13598
   Available CPU cores: 10

Environment:
   CI: None
   Terminal (TERM): xterm-256color
   Terminal program (TERM_PROGRAM): tmux
   Terminal program version (TERM_PROGRAM_VERSION): 3.4
   Shell (SHELL): /bin/zsh
   stdin: false

Turborepo System Environment Variables:
   TURBO_INVOCATION_DIR: /Users/anthonyshew/projects/open/turbo
```

### Testing Instructions

Try it out!

crates/turborepo-lib/src/cli/mod.rs

@@ -22,8 +22,8 @@ use turborepo_ui::{ColorConfig, GREY};
 use crate::{
     cli::error::print_potential_tasks,
     commands::{
-        bin, config, daemon, generate, link, login, logout, ls, prune, query, run, scan, telemetry,
-        unlink, CommandBase,
+        bin, config, daemon, generate, info, link, login, logout, ls, prune, query, run, scan,
+        telemetry, unlink, CommandBase,
     },
     get_version,
     run::watch::WatchClient,
@@ -474,9 +474,7 @@ impl Args {
     }
 }
 
-/// Defines the subcommands for CLI. NOTE: If we change the commands in Go,
-/// we must change these as well to avoid accidentally passing the
-/// --single-package flag into non-build commands.
+/// Defines the subcommands for CLI
 #[derive(Subcommand, Clone, Debug, PartialEq)]
 pub enum Command {
     /// Get the path to the Turbo binary
@@ -569,6 +567,8 @@ pub enum Command {
         #[clap(long)]
         invalidate: bool,
     },
+    /// Print debugging information
+    Info,
     /// Prepare a subset of your monorepo.
     Prune {
         #[clap(hide = true, long)]
@@ -1223,6 +1223,15 @@ pub async fn run(
             generate::run(tag, command, &args, child_event)?;
             Ok(0)
         }
+        Command::Info => {
+            CommandEventBuilder::new("info")
+                .with_parent(&root_telemetry)
+                .track_call();
+            let base = CommandBase::new(cli_args.clone(), repo_root, version, color_config);
+
+            info::run(base).await;
+            Ok(0)
+        }
         Command::Telemetry { command } => {
             let event = CommandEventBuilder::new("telemetry").with_parent(&root_telemetry);
             event.track_call();

crates/turborepo-lib/src/commands/info.rs

@@ -0,0 +1,75 @@
+use std::{env, io};
+
+use sysinfo::{System, SystemExt};
+use thiserror::Error;
+use turborepo_repository::{package_json::PackageJson, package_manager::PackageManager};
+
+use super::CommandBase;
+use crate::{DaemonConnector, DaemonConnectorError};
+
+#[derive(Debug, Error)]
+pub enum Error {
+    #[error("could not get path to turbo binary: {0}")]
+    NoCurrentExe(#[from] io::Error),
+}
+
+pub async fn run(base: CommandBase) {
+    let system = System::new_all();
+    let connector = DaemonConnector::new(false, false, &base.repo_root);
+    let daemon_status = match connector.connect().await {
+        Ok(_status) => "Running",
+        Err(DaemonConnectorError::NotRunning) => "Not running",
+        Err(_e) => "Error getting status",
+    };
+    let package_manager = PackageJson::load(&base.repo_root.join_component("package.json"))
+        .ok()
+        .and_then(|package_json| {
+            PackageManager::read_or_detect_package_manager(&package_json, &base.repo_root).ok()
+        })
+        .map_or_else(|| "Not found".to_owned(), |pm| pm.to_string());
+
+    println!("CLI:");
+    println!("   Version: {}", base.version);
+
+    let exe_path = std::env::current_exe().map_or_else(
+        |e| format!("Cannot determine current binary: {e}").to_owned(),
+        |path| path.to_string_lossy().into_owned(),
+    );
+
+    println!("   Path to executable: {}", exe_path);
+    println!("   Daemon status: {}", daemon_status);
+    println!("   Package manager: {}", package_manager);
+    println!();
+
+    println!("Platform:");
+    println!("   Architecture: {}", std::env::consts::ARCH);
+    println!("   Operating system: {}", std::env::consts::OS);
+    println!(
+        "   Available memory (MB): {}",
+        system.available_memory() / 1024 / 1024
+    );
+    println!("   Available CPU cores: {}", num_cpus::get());
+    println!();
+
+    println!("Environment:");
+    println!("   CI: {:#?}", turborepo_ci::Vendor::get_name());
+    println!(
+        "   Terminal (TERM): {}",
+        env::var("TERM").unwrap_or_else(|_| "unknown".to_owned())
+    );
+
+    println!(
+        "   Terminal program (TERM_PROGRAM): {}",
+        env::var("TERM_PROGRAM").unwrap_or_else(|_| "unknown".to_owned())
+    );
+    println!(
+        "   Terminal program version (TERM_PROGRAM_VERSION): {}",
+        env::var("TERM_PROGRAM_VERSION").unwrap_or_else(|_| "unknown".to_owned())
+    );
+    println!(
+        "   Shell (SHELL): {}",
+        env::var("SHELL").unwrap_or_else(|_| "unknown".to_owned())
+    );
+    println!("   stdin: {}", turborepo_ci::is_ci());
+    println!();
+}

crates/turborepo-lib/src/commands/mod.rs

@@ -15,6 +15,7 @@ pub(crate) mod bin;
 pub(crate) mod config;
 pub(crate) mod daemon;
 pub(crate) mod generate;
+pub(crate) mod info;
 pub(crate) mod link;
 pub(crate) mod login;
 pub(crate) mod logout;

turborepo-tests/integration/tests/no-args.t

@@ -18,6 +18,7 @@ Make sure exit code is 2 when no args are passed
     link        Link your local directory to a Vercel organization and enable remote caching
     login       Login to your Vercel account
     logout      Logout to your Vercel account
+    info        Print debugging information
     prune       Prepare a subset of your monorepo
     run         Run tasks across projects in your monorepo
     query       Query your monorepo using GraphQL. If no query is provided, spins up a GraphQL server with GraphiQL

turborepo-tests/integration/tests/turbo-help.t

@@ -18,6 +18,7 @@ Test help flag
     link        Link your local directory to a Vercel organization and enable remote caching
     login       Login to your Vercel account
     logout      Logout to your Vercel account
+    info        Print debugging information
     prune       Prepare a subset of your monorepo
     run         Run tasks across projects in your monorepo
     query       Query your monorepo using GraphQL. If no query is provided, spins up a GraphQL server with GraphiQL
@@ -141,6 +142,7 @@ Test help flag
     link        Link your local directory to a Vercel organization and enable remote caching
     login       Login to your Vercel account
     logout      Logout to your Vercel account
+    info        Print debugging information
     prune       Prepare a subset of your monorepo
     run         Run tasks across projects in your monorepo
     query       Query your monorepo using GraphQL. If no query is provided, spins up a GraphQL server with GraphiQL