Add a CI check for PRs (#360)

Closes #339

Author: lhecker

.github/workflows/pr.yml

@@ -0,0 +1,44 @@
+name: PR Check
+
+on:
+  pull_request:
+    branches:
+      - main
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  check:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os:
+          - ubuntu-latest
+          - windows-latest
+    steps:
+      # The Windows runners have autocrlf enabled by default.
+      - name: Disable git autocrlf
+        run: git config --global core.autocrlf false
+        if: matrix.os == 'windows-latest'
+      - name: Checkout
+        uses: actions/checkout@v4
+      # https://github.com/actions/cache/blob/main/examples.md#rust---cargo
+      # Depends on `Cargo.lock` --> Has to be after checkout.
+      - uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cargo/bin/
+            ~/.cargo/registry/index/
+            ~/.cargo/registry/cache/
+            ~/.cargo/git/db/
+            target/
+          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+      - name: Install Rust
+        run: rustup toolchain install nightly --no-self-update --profile minimal --component rust-src,rustfmt,clippy
+      - name: Check formatting
+        run: cargo fmt --all -- --check
+      - name: Run tests
+        run: cargo test --all-features --all-targets
+      - name: Run clippy
+        run: cargo clippy --all-features --all-targets -- --deny warnings

Cargo.toml

@@ -12,7 +12,6 @@ name = "lib"
 harness = false
 
 [features]
-debug-layout = []
 debug-latency = []
 
 # We use `opt-level = "s"` as it significantly reduces binary size.

src/bin/edit/draw_statusbar.rs

@@ -155,7 +155,7 @@ pub fn draw_statusbar(ctx: &mut Context, state: &mut State) {
             ),
         );
 
-        #[cfg(any(feature = "debug-layout", feature = "debug-latency"))]
+        #[cfg(feature = "debug-latency")]
         ctx.label(
             "stats",
             &arena_format!(ctx.arena(), "{}/{}", tb.logical_line_count(), tb.visual_line_count(),),

src/bin/edit/main.rs

@@ -158,12 +158,6 @@ fn run() -> apperr::Result<()> {
 
             draw(&mut ctx, &mut state);
 
-            #[cfg(feature = "debug-layout")]
-            {
-                drop(ctx);
-                state.buffer.buffer.copy_from_str(&tui.debug_layout());
-            }
-
             #[cfg(feature = "debug-latency")]
             {
                 passes += 1;