implement export-trackers argument option

README.md

@@ -87,6 +87,9 @@ aquatic-crawler --infohash /path/to/info-hash-ipv4.json\
       --export-rss-description <EXPORT_RSS_DESCRIPTION>
           Custom description for RSS feed (channel)
 
+      --export-trackers
+          Appends `--tracker` value to magnets and torrents
+
       --enable-dht
           Enable DHT resolver
 

src/config.rs

@@ -45,6 +45,10 @@ pub struct Config {
     #[arg(long)]
     pub export_rss_description: Option<String>,
 
+    /// Appends `--tracker` value to magnets and torrents
+    #[arg(long, default_value_t = false)]
+    pub export_trackers: bool,
+
     /// Enable DHT resolver
     #[arg(long, default_value_t = false)]
     pub enable_dht: bool,

src/main.rs

@@ -67,7 +67,7 @@ async fn main() -> Result<()> {
                 upload_bps: config.upload_limit.and_then(NonZero::new),
                 download_bps: config.download_limit.and_then(NonZero::new),
             },
-            trackers: trackers.clone(),
+            trackers: trackers.list().clone(),
             ..SessionOptions::default()
         },
     )
@@ -109,7 +109,14 @@ async fn main() -> Result<()> {
                         match time::timeout(
                             Duration::from_secs(config.add_torrent_timeout),
                             session.add_torrent(
-                                AddTorrent::from_url(magnet(&i, None)),
+                                AddTorrent::from_url(magnet(
+                                    &i,
+                                    if config.export_trackers && !trackers.is_empty() {
+                                        Some(trackers.list())
+                                    } else {
+                                        None
+                                    },
+                                )),
                                 Some(AddTorrentOptions {
                                     paused: true, // continue after `only_files` init
                                     overwrite: true,
@@ -227,7 +234,11 @@ async fn main() -> Result<()> {
                 &config.export_rss_title,
                 &config.export_rss_link,
                 &config.export_rss_description,
-                Some(trackers.clone()),
+                if config.export_trackers && !trackers.is_empty() {
+                    Some(trackers.list().clone())
+                } else {
+                    None
+                },
             )?;
             for (k, v) in index.list() {
                 rss.push(

src/trackers.rs

@@ -14,7 +14,7 @@ impl Trackers {
     pub fn is_empty(&self) -> bool {
         self.0.is_empty()
     }
-    pub fn clone(&self) -> HashSet<Url> {
+    pub fn list(&self) -> &HashSet<Url> {
-        self.0.clone()
+        &self.0
     }
 }