feat: add list servers command

README.md

@@ -20,6 +20,7 @@ cargo install --path .
 
 ```sh
 xboctploy --list          # показать проекты из конфига
+xboctploy --list-servers  # показать серверы из конфига
 xboctploy --dry-run demo  # напечатать план деплоя без выполнения
 xboctploy demo            # задеплоить проект demo
 ```

src/cli.rs

@@ -5,7 +5,8 @@ use clap::{ArgGroup, Parser};
 /// Deploy hobby projects from a local PC to a VPS over SSH.
 #[derive(Debug, Parser)]
 #[command(name = "xboctploy", version, about)]
-#[command(group = ArgGroup::new("target").required(true).args(["project", "list"]))]
+#[command(arg_required_else_help = true)]
+#[command(group = ArgGroup::new("target").required(true).args(["project", "list", "list_servers"]))]
 pub struct Cli {
     /// Project name from deploy.toml
     pub project: Option<String>,
@@ -18,4 +19,7 @@ pub struct Cli {
     /// List configured projects and exit
     #[arg(long)]
     pub list: bool,
+    /// List configured servers and exit
+    #[arg(long)]
+    pub list_servers: bool,
 }

src/main.rs

@@ -31,6 +31,22 @@ fn run(cli: &cli::Cli) -> Result<()> {
     let path = config::resolve(cli.config.as_deref())?;
     let cfg = config::load(&path)?;
 
+    if cli.list_servers {
+        println!("config: {}", path.display());
+        println!("configured servers:");
+        for (name, server) in &cfg.servers {
+            let mut line = format!("  - {name}  {}", server.host);
+            if let Some(port) = server.port {
+                line.push_str(&format!(":{port}"));
+            }
+            if let Some(user) = &server.user {
+                line.push_str(&format!(" as {user}"));
+            }
+            println!("{line}");
+        }
+        return Ok(());
+    }
+
     if cli.list {
         println!("config: {}", path.display());
         println!("configured projects:");