add default flag for print-config

src/main.rs

@@ -34,7 +34,11 @@ enum HlctlCommand {
 		The configuration file located at $HOME/.config/herbstluftwm/hlctl.toml"#)]
     Save,
     /// Print the toml config to stdout
-    PrintConfig,
+    PrintConfig {
+        /// Print default config instead of config that `save` would use
+        #[arg(short, long)]
+        default: bool,
+    },
     /// Start the top panel
     Panel,
 }
@@ -46,7 +50,7 @@ fn main() {
     match args.command {
         HlctlCommand::Init => init(),
         HlctlCommand::Save => save(),
-        HlctlCommand::PrintConfig => print_config(),
+        HlctlCommand::PrintConfig { default } => print_config(default),
         HlctlCommand::Panel => {
             if let Err(err) = panel::panel(&merged_config()) {
                 error!("panel: {err}");
@@ -105,8 +109,13 @@ fn merged_config() -> Config {
     collected
 }
 
-fn print_config() {
-    println!("{}", merged_config().serialize().unwrap())
+fn print_config(default: bool) {
+    let cfg = if default {
+        Config::default()
+    } else {
+        merged_config()
+    };
+    println!("{}", cfg.serialize().unwrap())
 }
 
 fn save() {