Fix clippy warnings

alacritty/src/cli.rs

@@ -265,13 +265,10 @@ impl Options {
         config.hold = self.hold;
 
         config.window.dimensions = self.dimensions.unwrap_or(config.window.dimensions);
+        config.window.title = self.title.unwrap_or(config.window.title);
         config.window.position = self.position.or(config.window.position);
         config.window.embed = self.embed.and_then(|embed| embed.parse().ok());
 
-        if let Some(title) = self.title {
-            config.window.title = title.clone();
-        }
-
         if let Some(class) = self.class {
             let parts: Vec<_> = class.split(',').collect();
             config.window.class.instance = parts[0].into();

alacritty_terminal/src/grid/storage.rs

@@ -1,3 +1,4 @@
+use std::cmp::Ordering;
 /// Wrapper around Vec which supports fast indexing and rotation
 ///
 /// The rotation implemented by grid::Storage is a simple integer addition.
@@ -94,10 +95,10 @@ impl<T> Storage<T> {
         T: Clone,
     {
         let current_history = self.len - (self.visible_lines.0 + 1);
-        if history_size > current_history {
-            self.grow_lines(history_size - current_history, template_row);
-        } else if history_size < current_history {
-            self.shrink_lines(current_history - history_size);
+        match history_size.cmp(&current_history) {
+            Ordering::Greater => self.grow_lines(history_size - current_history, template_row),
+            Ordering::Less => self.shrink_lines(current_history - history_size),
+            _ => (),
         }
     }
 

copypasta/src/wayland_clipboard.rs

@@ -37,6 +37,12 @@ pub fn create_clipboards(display: &Display) -> (Primary, Clipboard) {
     (Primary { context: context.clone() }, Clipboard { context })
 }
 
+/// Create new clipboard from a raw display pointer.
+///
+/// # Safety
+///
+/// Since the type of the display is a raw pointer, it's the responsibility of the callee to make
+/// sure that the passed pointer is a valid Wayland display.
 pub unsafe fn create_clipboards_from_external(display: *mut c_void) -> (Primary, Clipboard) {
     let context =
         Arc::new(Mutex::new(WaylandClipboard::new_from_external(display as *mut wl_display)));