Merge branch 'xvar/add-clone-on-ref-ptr-clippy-lint' into 'master'

Added #![deny(clippy::clone_on_ref_ptr)] to all crates and fixed resulting lint errors

See merge request veloren/veloren!1411

chat-cli/src/main.rs

@@ -1,5 +1,6 @@
 #![deny(unsafe_code)]
 #![allow(clippy::option_map_unit_fn)]
+#![deny(clippy::clone_on_ref_ptr)]
 
 use client::{Client, Event};
 use common::{clock::Clock, comp};

client/src/lib.rs

@@ -1,4 +1,5 @@
 #![deny(unsafe_code)]
+#![deny(clippy::clone_on_ref_ptr)]
 #![feature(label_break_value, option_zip)]
 
 pub mod cmd;

common/src/lib.rs

@@ -1,7 +1,8 @@
 #![deny(unsafe_code)]
-#![allow(clippy::option_map_unit_fn)]
 #![allow(incomplete_features)]
 #![type_length_limit = "1664759"]
+#![allow(clippy::option_map_unit_fn)]
+#![deny(clippy::clone_on_ref_ptr)]
 #![feature(
     arbitrary_enum_discriminant,
     associated_type_defaults,

common/src/state.rs

@@ -371,7 +371,8 @@ impl State {
 
         // Run systems to update the world.
         // Create and run a dispatcher for ecs systems.
-        let mut dispatch_builder = DispatcherBuilder::new().with_pool(self.thread_pool.clone());
+        let mut dispatch_builder =
+            DispatcherBuilder::new().with_pool(Arc::clone(&self.thread_pool));
         sys::add_local_systems(&mut dispatch_builder);
         // TODO: Consider alternative ways to do this
         add_foreign_systems(&mut dispatch_builder);

common/src/volumes/vol_grid_2d.rs

@@ -189,7 +189,7 @@ impl<'a, V: RectRasterableVol + ReadVol> CachedVolGrid2d<'a, V> {
                 .get(&ck)
                 .ok_or(VolGrid2dError::NoSuchChunk)?;
             // Store most recently looked up chunk in the cache
-            self.cache = Some((ck, chunk.clone()));
+            self.cache = Some((ck, Arc::clone(&chunk)));
             chunk
         };
         let co = VolGrid2d::<V>::chunk_offs(pos);

network/src/api.rs

@@ -375,7 +375,7 @@ impl Network {
         self.participant_disconnect_sender
             .lock()
             .await
-            .insert(pid, participant.a2s_disconnect_s.clone());
+            .insert(pid, Arc::clone(&participant.a2s_disconnect_s));
         Ok(participant)
     }
 
@@ -414,10 +414,10 @@ impl Network {
     /// [`listen`]: crate::api::Network::listen
     pub async fn connected(&self) -> Result<Participant, NetworkError> {
         let participant = self.connected_receiver.lock().await.next().await?;
-        self.participant_disconnect_sender
-            .lock()
-            .await
-            .insert(participant.remote_pid, participant.a2s_disconnect_s.clone());
+        self.participant_disconnect_sender.lock().await.insert(
+            participant.remote_pid,
+            Arc::clone(&participant.a2s_disconnect_s),
+        );
         Ok(participant)
     }
 }

network/src/lib.rs

@@ -1,6 +1,7 @@
 #![deny(unsafe_code)]
 #![cfg_attr(test, deny(rust_2018_idioms))]
 #![cfg_attr(test, deny(warnings))]
+#![deny(clippy::clone_on_ref_ptr)]
 #![feature(try_trait)]
 
 //! Crate to handle high level networking of messages with different

network/src/participant.rs

@@ -147,7 +147,7 @@ impl BParticipant {
         let (w2b_frames_s, w2b_frames_r) = mpsc::unbounded::<C2pFrame>();
         let (prios, a2p_msg_s, b2p_notify_empty_stream_s) = PrioManager::new(
             #[cfg(feature = "metrics")]
-            self.metrics.clone(),
+            Arc::clone(&self.metrics),
             self.remote_pid_string.clone(),
         );
 
@@ -486,7 +486,7 @@ impl BParticipant {
                     // This channel is now configured, and we are running it in scope of the
                     // participant.
                     let w2b_frames_s = w2b_frames_s.clone();
-                    let channels = self.channels.clone();
+                    let channels = Arc::clone(&self.channels);
                     async move {
                         let (channel, b2w_frame_s, b2r_read_shutdown) = Channel::new(cid);
                         let mut lock = channels.write().await;
@@ -772,7 +772,7 @@ impl BParticipant {
         self.streams.write().await.insert(sid, StreamInfo {
             prio,
             promises,
-            send_closed: send_closed.clone(),
+            send_closed: Arc::clone(&send_closed),
             b2a_msg_recv_s: Mutex::new(b2a_msg_recv_s),
         });
         #[cfg(feature = "metrics")]

network/src/scheduler.rs

@@ -216,7 +216,7 @@ impl Scheduler {
                         Protocols::Tcp(TcpProtocol::new(
                             stream,
                             #[cfg(feature = "metrics")]
-                            self.metrics.clone(),
+                            Arc::clone(&self.metrics),
                         )),
                         false,
                     )
@@ -241,14 +241,14 @@ impl Scheduler {
                     info!("Connecting Udp to: {}", addr);
                     let (udp_data_sender, udp_data_receiver) = mpsc::unbounded::<Vec<u8>>();
                     let protocol = UdpProtocol::new(
-                        socket.clone(),
+                        Arc::clone(&socket),
                         addr,
                         #[cfg(feature = "metrics")]
-                        self.metrics.clone(),
+                        Arc::clone(&self.metrics),
                         udp_data_receiver,
                     );
                     self.pool.spawn_ok(
-                        Self::udp_single_channel_connect(socket.clone(), udp_data_sender)
+                        Self::udp_single_channel_connect(Arc::clone(&socket), udp_data_sender)
                             .instrument(tracing::info_span!("udp", ?addr)),
                     );
                     (Protocols::Udp(protocol), true)
@@ -396,7 +396,7 @@ impl Scheduler {
                     let protocol = TcpProtocol::new(
                         stream,
                         #[cfg(feature = "metrics")]
-                        self.metrics.clone(),
+                        Arc::clone(&self.metrics),
                     );
                     self.init_protocol(Protocols::Tcp(protocol), None, true)
                         .await;
@@ -439,10 +439,10 @@ impl Scheduler {
                         let (udp_data_sender, udp_data_receiver) = mpsc::unbounded::<Vec<u8>>();
                         listeners.insert(remote_addr, udp_data_sender);
                         let protocol = UdpProtocol::new(
-                            socket.clone(),
+                            Arc::clone(&socket),
                             remote_addr,
                             #[cfg(feature = "metrics")]
-                            self.metrics.clone(),
+                            Arc::clone(&self.metrics),
                             udp_data_receiver,
                         );
                         self.init_protocol(Protocols::Udp(protocol), None, false)
@@ -499,10 +499,10 @@ impl Scheduler {
         // the whole server easily for new clients UDP doesnt work at all, as
         // the UDP listening is done in another place.
         let cid = self.channel_ids.fetch_add(1, Ordering::Relaxed);
-        let participants = self.participants.clone();
+        let participants = Arc::clone(&self.participants);
         #[cfg(feature = "metrics")]
-        let metrics = self.metrics.clone();
-        let pool = self.pool.clone();
+        let metrics = Arc::clone(&self.metrics);
+        let pool = Arc::clone(&self.pool);
         let local_pid = self.local_pid;
         let local_secret = self.local_secret;
         // this is necessary for UDP to work at all and to remove code duplication
@@ -514,7 +514,7 @@ impl Scheduler {
                     local_pid,
                     local_secret,
                     #[cfg(feature = "metrics")]
-                    metrics.clone(),
+                    Arc::clone(&metrics),
                     send_handshake,
                 );
                 match handshake
@@ -541,7 +541,7 @@ impl Scheduler {
                                 pid,
                                 sid,
                                 #[cfg(feature = "metrics")]
-                                metrics.clone(),
+                                Arc::clone(&metrics),
                             );
 
                             let participant = Participant::new(

server-cli/src/main.rs

@@ -1,4 +1,5 @@
 #![deny(unsafe_code)]
+#![deny(clippy::clone_on_ref_ptr)]
 
 mod tui_runner;
 mod tuilog;

server-cli/src/tui_runner.rs

@@ -111,7 +111,7 @@ impl Tui {
         }));
 
         let mut msg_s = self.msg_s.take().unwrap();
-        let running = self.running.clone();
+        let running = Arc::clone(&self.running);
 
         if basic {
             std::thread::spawn(move || {

server/src/chunk_generator.rs

@@ -85,7 +85,7 @@ impl ChunkGenerator {
     }
 
     pub fn cancel_all(&mut self) {
-        let metrics = self.metrics.clone();
+        let metrics = Arc::clone(&self.metrics);
         self.pending_chunks.drain().for_each(|(_, cancel)| {
             cancel.store(true, Ordering::Relaxed);
             metrics.chunks_canceled.inc();

server/src/lib.rs

@@ -1,5 +1,6 @@
 #![deny(unsafe_code)]
 #![allow(clippy::option_map_unit_fn)]
+#![deny(clippy::clone_on_ref_ptr)]
 #![feature(bool_to_option, drain_filter, option_zip)]
 #![cfg_attr(not(feature = "worldgen"), feature(const_panic))]
 
@@ -548,7 +549,7 @@ impl Server {
                             None,
                             pos,
                             thread_pool,
-                            world.clone(),
+                            Arc::clone(&world),
                             index.clone(),
                         );
                     });
@@ -853,7 +854,7 @@ impl Server {
                 Some(entity),
                 key,
                 &mut self.thread_pool,
-                self.world.clone(),
+                Arc::clone(&self.world),
                 self.index.clone(),
             );
     }

server/src/metrics.rs

@@ -337,7 +337,7 @@ impl ServerMetrics {
 
     pub fn run(&mut self, addr: SocketAddr) -> Result<(), Box<dyn Error>> {
         self.running.store(true, Ordering::Relaxed);
-        let running2 = self.running.clone();
+        let running2 = Arc::clone(&self.running);
 
         let registry = self
             .registry
@@ -381,7 +381,7 @@ impl ServerMetrics {
 
     pub fn tick(&self) -> u64 { self.tick.fetch_add(1, Ordering::Relaxed) + 1 }
 
-    pub fn tick_clone(&self) -> Arc<AtomicU64> { self.tick.clone() }
+    pub fn tick_clone(&self) -> Arc<AtomicU64> { Arc::clone(&self.tick) }
 }
 
 impl Drop for ServerMetrics {

tools/src/main.rs

@@ -1,3 +1,5 @@
+#![deny(clippy::clone_on_ref_ptr)]
+
 use std::error::Error;
 use structopt::StructOpt;
 

voxygen/src/audio/soundcache.rs

@@ -22,7 +22,7 @@ impl Sound {
         Ok(Sound(Arc::new(buf)))
     }
 
-    pub fn cursor(&self) -> io::Cursor<Sound> { io::Cursor::new(Sound(self.0.clone())) }
+    pub fn cursor(&self) -> io::Cursor<Sound> { io::Cursor::new(Sound(Arc::clone(&self.0))) }
 
     pub fn decoder(&self) -> rodio::Decoder<io::Cursor<Sound>> {
         rodio::Decoder::new(self.cursor()).unwrap()

voxygen/src/hud/mod.rs

@@ -65,9 +65,11 @@ use conrod_core::{
 use specs::{Join, WorldExt};
 use std::{
     collections::{HashMap, VecDeque},
+    sync::Arc,
     time::Instant,
 };
 use vek::*;
+
 const XP_COLOR: Color = Color::Rgba(0.59, 0.41, 0.67, 1.0);
 const TEXT_COLOR: Color = Color::Rgba(1.0, 1.0, 1.0, 1.0);
 const TEXT_GRAY_COLOR: Color = Color::Rgba(0.5, 0.5, 0.5, 1.0);
@@ -591,7 +593,7 @@ impl Hud {
         // Load world map
         let world_map = (
             ui.add_graphic_with_rotations(Graphic::Image(
-                client.world_map.0.clone(),
+                Arc::clone(&client.world_map.0),
                 Some(water_color),
             )),
             client.world_map.1.map(u32::from),

voxygen/src/lib.rs

@@ -1,5 +1,7 @@
 #![deny(unsafe_code)]
-#![allow(clippy::option_map_unit_fn, incomplete_features)]
+#![allow(incomplete_features)]
+#![allow(clippy::option_map_unit_fn)]
+#![deny(clippy::clone_on_ref_ptr)]
 #![feature(array_map, bool_to_option, const_generics, drain_filter, or_patterns)]
 #![recursion_limit = "2048"]
 

voxygen/src/menu/char_selection/mod.rs

@@ -111,7 +111,7 @@ impl PlayState for CharSelectionState {
 
                         return PlayStateResult::Switch(Box::new(SessionState::new(
                             global_state,
-                            self.client.clone(),
+                            Rc::clone(&self.client),
                         )));
                     },
                 }

voxygen/src/session.rs

@@ -28,7 +28,7 @@ use common::{
     vol::ReadVol,
 };
 use specs::{Join, WorldExt};
-use std::{cell::RefCell, rc::Rc, time::Duration};
+use std::{cell::RefCell, rc::Rc, sync::Arc, time::Duration};
 use tracing::{error, info};
 use vek::*;
 
@@ -981,7 +981,7 @@ impl PlayState for SessionState {
                         )
                         .unwrap();
                         self.voxygen_i18n.log_missing_entries();
-                        self.hud.update_language(self.voxygen_i18n.clone());
+                        self.hud.update_language(Arc::clone(&self.voxygen_i18n));
                     },
                     HudEvent::ChangeFullscreenMode(new_fullscreen_settings) => {
                         global_state
@@ -1086,7 +1086,7 @@ impl PlayState for SessionState {
         } else if let ClientState::Registered = client_state {
             PlayStateResult::Switch(Box::new(CharSelectionState::new(
                 global_state,
-                self.client.clone(),
+                Rc::clone(&self.client),
             )))
         } else {
             error!("Client not in the expected state, exiting session play state");

voxygen/src/singleplayer.rs

@@ -46,7 +46,7 @@ impl Singleplayer {
         let settings2 = settings.clone();
 
         let paused = Arc::new(AtomicBool::new(false));
-        let paused1 = paused.clone();
+        let paused1 = Arc::clone(&paused);
 
         let (result_sender, result_receiver) = bounded(1);
 

world/src/lib.rs

@@ -1,6 +1,7 @@
 #![deny(unsafe_code)]
 #![allow(incomplete_features)]
 #![allow(clippy::option_map_unit_fn)]
+#![deny(clippy::clone_on_ref_ptr)]
 #![feature(
     arbitrary_enum_discriminant,
     bool_to_option,