Summon download workers only if data is already in the vector

Cargo.lock

@@ -330,7 +330,7 @@ dependencies = [
 
 [[package]]
 name = "mangafetchi"
-version = "0.1.2"
+version = "0.1.3"
 dependencies = [
  "quick-xml",
  "reqwest",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "mangafetchi"
-version = "0.1.2"
+version = "0.1.3"
 authors = ["blank X <theblankx@protonmail.com>"]
 edition = "2018"
 

src/commands/download.rs

@@ -65,14 +65,18 @@ pub async fn run(mut args: env::Args) {
         }
         if !to_extend.is_empty() {
             cloned_mutex.lock().await.extend(to_extend);
-        }
             if handles.is_none() {
                 handles = Some(summon_handles(client.clone(), cloned_mutex).await);
             }
         }
+    }
+    if handles.is_some() {
         for handle in handles.unwrap() {
             handle.await.unwrap();
         }
+    } else {
+        eprintln!("Everything has already been downloaded");
+    }
 }
 
 async fn summon_handles(client: reqwest::Client, mutex: Arc<Mutex<Vec<(String, PathBuf, String)>>>) -> Vec<JoinHandle<()>> {