Move clippy tests to stable

The clippy tests had to be run on nightly previously since it wasn't
available with the stable compiler yet, however this had the potential
to fail a lot since not all nightly builds offer clippy.

Since clippy is now available for stable rust, moving clippy to a stable
build should make sure that the failure rate of the CI job is cut down
to a minimum.

This fixes alacritty#2007.

.travis.yml

@@ -13,6 +13,7 @@ os:
 
 rust:
   - stable
+  - beta
   - nightly
 
 matrix:
@@ -22,6 +23,18 @@ matrix:
       os: linux
       rust: stable
       env: ARCH=i386
+    - name: "Clippy Linux"
+      os: linux
+      env: CLIPPY=true
+      rust: stable
+    - name: "Clippy OSX"
+      os: osx
+      env: CLIPPY=true
+      rust: stable
+    - name: "Clippy Windows"
+      os: windows
+      env: CLIPPY=true
+      rust: stable
   allow_failures:
     - rust: nightly
 

ci/install.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 
 # Add clippy for linting with nightly builds
-if [ "$TRAVIS_RUST_VERSION" == "nightly" ]; then
-    rustup component add clippy-preview
+if [ "$CLIPPY" == "true" ]; then
+    rustup component add clippy
 fi

ci/script.sh

@@ -3,9 +3,10 @@
 # Check if any command failed
 error=false
 
-# Run clippy on nightly builds
-if [ "$TRAVIS_RUST_VERSION" == "nightly" ]; then
-    cargo clippy --all-features --all-targets || error=true
+# Run clippy checks
+if [ "$CLIPPY" == "true" ]; then
+    cargo clippy --all-targets
+    exit
 fi
 
 # Run test in release mode if a tag is present, to produce an optimized binary

src/config/bindings.rs

@@ -47,7 +47,6 @@ macro_rules! bindings {
                 mode: _mode,
                 notmode: _notmode,
                 action: $action,
-                ..Default::default()
             });
         )*
 

src/logging.rs

@@ -137,7 +137,7 @@ impl log::Log for Logger {
                         record.file().unwrap_or("?"),
                         record.line()
                               .map(|l| l.to_string())
-                              .unwrap_or("?".to_string()),
+                              .unwrap_or_else(|| "?".into()),
                         record.args())
             } else {
                 format!("[{}] [{}] {}\n",

src/tty/windows/mod.rs

@@ -208,7 +208,7 @@ impl Write for EventedWritablePipe {
 impl<'a> OnResize for PtyHandle<'a> {
     fn on_resize(&mut self, sizeinfo: &SizeInfo) {
         match self {
-            PtyHandle::Winpty(w) => w.winpty_mut().on_resize(sizeinfo),
+            PtyHandle::Winpty(w) => w.resize(sizeinfo),
             PtyHandle::Conpty(c) => {
                 let mut handle = c.clone();
                 handle.on_resize(sizeinfo)

src/tty/windows/winpty.rs

@@ -55,14 +55,14 @@ impl<'a> Agent<'a> {
 
     /// Get immutable access to Winpty.
     pub fn winpty(&self) -> &Winpty<'a> {
-        unsafe {&*self.winpty}
+        unsafe { &*self.winpty }
     }
 
-    /// Get mutable access to Winpty.
-    /// Can offer internal mutability like this because Winpty uses
-    /// a mutex internally.
-    pub fn winpty_mut(&self) -> &mut Winpty<'a> {
-        unsafe {&mut *self.winpty}
+    pub fn resize(&self, size: &SizeInfo) {
+        // This is safe since Winpty uses a mutex internally.
+        unsafe {
+            (&mut *self.winpty).on_resize(size);
+        }
     }
 }