Make verbose work more like expected

src/main.rs

@@ -35,8 +35,8 @@ struct Config {
     output_dir: Option<String>,
     #[arg(required = true)]
     date: String,
-    #[arg(short, long)]
-    verbose: bool,
+    #[arg(short, long, action = clap::ArgAction::Count)]
+    verbose: u8,
 }
 
 #[tokio::main]
@@ -49,7 +49,11 @@ async fn main() -> Result<()> {
         output_dir,
     } = Config::parse();
 
-    let level = if verbose { "debug" } else { "off" };
+    let level = match verbose {
+        0 => "off",
+        1 => "debug",
+        _ => "trace",
+    };
     env::set_var("RUST_LOG", format!("{}={}", module_path!(), level));
     env_logger::init();