Enable damage tracking only on Wayland

Other platforms don't have such concepts in general or have them
via different interfaces not related to EGL.

This commit also resolves some minor clippy issues.

Fixes #6051.

Co-authored-by: Christian Duerr <contact@christianduerr.com>

2 files changed, 3 insertions, 2 deletions

diff --git a/alacritty_terminal/src/ansi.rs b/alacritty_terminal/src/ansi.rs
index f4e8fde1..b590bd7d 100644
--- a/alacritty_terminal/src/ansi.rs
+++ b/alacritty_terminal/src/ansi.rs
@@ -1,6 +1,7 @@
 //! ANSI Terminal Stream Parsing.
 
 use std::convert::TryFrom;
+use std::fmt::Write;
 use std::time::{Duration, Instant};
 use std::{iter, str};
 
@@ -950,7 +951,7 @@ where
             for items in params {
                 buf.push('[');
                 for item in *items {
-                    buf.push_str(&format!("{:?},", *item as char));
+                    let _ = write!(buf, "{:?}", *item as char);
                 }
                 buf.push_str("],");
             }
diff --git a/alacritty_terminal/src/grid/storage.rs b/alacritty_terminal/src/grid/storage.rs
index 0b36fef6..6fbc3bf2 100644
--- a/alacritty_terminal/src/grid/storage.rs
+++ b/alacritty_terminal/src/grid/storage.rs
@@ -175,7 +175,7 @@ impl<T> Storage<T> {
     /// Rotate the grid, moving all lines up/down in history.
     #[inline]
     pub fn rotate(&mut self, count: isize) {
-        debug_assert!(count.abs() as usize <= self.inner.len());
+        debug_assert!(count.unsigned_abs() <= self.inner.len());
 
         let len = self.inner.len();
         self.zero = (self.zero as isize + count + len as isize) as usize % len;