chore(deps): pin rust version, fix lints (#503)

Author: dyc3

.github/workflows/rust.yml

@@ -13,8 +13,8 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - run: rustup component add clippy rustfmt
       - uses: actions/checkout@v4
+      - run: rustup toolchain install --profile minimal
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2
       - name: Check format
@@ -34,6 +34,7 @@ jobs:
         target: [x86_64-unknown-linux-musl, x86_64-pc-windows-gnu]
     steps:
       - uses: actions/checkout@v4
+      - run: rustup toolchain install --profile minimal
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2
         with:

rust-toolchain.toml

@@ -0,0 +1,3 @@
+[toolchain]
+channel = "1.96.0"
+components = ["clippy", "rustfmt"]

src/tui.rs

@@ -30,13 +30,11 @@ pub(crate) fn prompt() -> String {
 				eprint!("{}", c);
 				let _ = stderr().flush();
 			}
-			KeyCode::Backspace => {
-				if !line.is_empty() {
-					line.pop();
+			KeyCode::Backspace if !line.is_empty() => {
+				line.pop();
 
-					eprint!("\x08 \x08");
-					let _ = stderr().flush();
-				}
+				eprint!("\x08 \x08");
+				let _ = stderr().flush();
 			}
 			_ => {}
 		}