Quality work

.github/copilot-setup-steps.yml

@@ -0,0 +1,9 @@
+steps:
+  - name: Install Rust toolchain
+    uses: dtolnay/rust-toolchain@stable
+    with:
+      components: clippy, rustfmt
+  - name: Install cargo-audit
+    run: cargo install --locked cargo-audit
+  - name: Build project
+    run: cargo build

.github/workflows/quality.yml

@@ -0,0 +1,33 @@
+name: Quality Gate
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["**"]
+
+jobs:
+  quality-gate:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy, rustfmt
+
+      - name: Install cargo-audit
+        run: cargo install --locked cargo-audit
+
+      - name: Rust format check
+        run: cargo fmt --check
+
+      - name: Rust lint (clippy)
+        run: cargo clippy -- -D warnings
+
+      - name: Rust tests
+        run: cargo test
+
+      - name: Rust security audit
+        run: cargo audit

src/lib.rs

@@ -449,9 +449,8 @@ pub fn execute_text_search(
             code: "UnsupportedEncoding".to_string(),
             message: format!("File is not valid UTF-8: {path}"),
         })?;
-        let mut line_no = 1usize;
         let mut line_start = 0usize;
-        for line in content.split_inclusive('\n') {
+        for (line_no, line) in (1usize..).zip(content.split_inclusive('\n')) {
             for capture in regex.find_iter(line) {
                 if matches.len() == max_results {
                     truncated = true;
@@ -466,7 +465,6 @@ pub fn execute_text_search(
                 });
             }
             line_start += line.len();
-            line_no += 1;
         }
     }