Add pre-commit hook and bump version to 0.1.2

- Add pre-commit hook that runs all CI checks (fmt, clippy, test, doc, bench)
- Add scripts/install-hooks.sh for easy hook installation
- Add `make install-hooks` target
- Fix formatting in examples/basic.rs

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: raphaelsty

Cargo.lock

@@ -1,6 +1,6 @@
 [package]
 name = "fastkmeans-rs"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 description = "A fast and efficient k-means clustering implementation in Rust, compatible with ndarray"
 license = "Apache-2.0"

Cargo.toml

@@ -1,4 +1,4 @@
-.PHONY: all build test lint fmt check clean bench doc example
+.PHONY: all build test lint fmt check clean bench doc example install-hooks
 
 all: fmt lint test
 
@@ -64,3 +64,7 @@ example:
 # Run all CI checks locally
 ci: fmt-check clippy test doc bench-check
 	@echo "All CI checks passed!"
+
+# Install git hooks
+install-hooks:
+	./scripts/install-hooks.sh

Makefile

@@ -15,7 +15,10 @@ fn main() {
     let n_features = 2;
     let n_clusters = 3;
 
-    println!("Generating {} samples with {} features...", n_samples, n_features);
+    println!(
+        "Generating {} samples with {} features...",
+        n_samples, n_features
+    );
 
     // Create clustered data by generating points around 3 centers
     let mut data = Array2::<f32>::zeros((n_samples, n_features));
@@ -77,7 +80,12 @@ fn main() {
 
     println!("Cluster distribution:");
     for (i, count) in cluster_counts.iter().enumerate() {
-        println!("  Cluster {}: {} samples ({:.1}%)", i, count, (*count as f64 / n_samples as f64) * 100.0);
+        println!(
+            "  Cluster {}: {} samples ({:.1}%)",
+            i,
+            count,
+            (*count as f64 / n_samples as f64) * 100.0
+        );
     }
     println!();
 

examples/basic.rs

@@ -0,0 +1,17 @@
+#!/bin/sh
+#
+# Install git hooks for the repository
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
+REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+HOOKS_DIR="$REPO_ROOT/.git/hooks"
+
+echo "Installing git hooks..."
+
+# Install pre-commit hook
+cp "$SCRIPT_DIR/pre-commit" "$HOOKS_DIR/pre-commit"
+chmod +x "$HOOKS_DIR/pre-commit"
+
+echo "Git hooks installed successfully!"

scripts/install-hooks.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+#
+# Pre-commit hook that runs the same checks as CI
+# To skip this hook, use: git commit --no-verify
+
+set -e
+
+echo "Running pre-commit checks..."
+
+# Check formatting
+echo "Checking formatting..."
+cargo fmt --all -- --check
+
+# Run clippy
+echo "Running clippy..."
+cargo clippy --all-targets --all-features -- -D warnings
+
+# Run tests
+echo "Running tests..."
+cargo test
+
+# Build documentation (with warnings as errors)
+echo "Building documentation..."
+RUSTDOCFLAGS="-D warnings" cargo doc --no-deps --all-features
+
+# Compile benchmarks (without running)
+echo "Checking benchmarks compile..."
+cargo bench --no-run
+
+echo "All pre-commit checks passed!"