pre-commit

#!/usr/bin/env bash
# pre-commit — runs the same checks as CI locally before each commit.
# Install: cp scripts/pre-commit .git/hooks/pre-commit && chmod +x .git/hooks/pre-commit
#   or:   ln -sf ../../scripts/pre-commit .git/hooks/pre-commit

set -euo pipefail

RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

pass() { echo -e "${GREEN}✓${NC} $1"; }
fail() { echo -e "${RED}✗${NC} $1"; exit 1; }
warn() { echo -e "${YELLOW}!${NC} $1"; }

echo "Running pre-commit checks..."
echo ""

# 1. Format check
echo "── cargo fmt ──"
if cargo fmt --all -- --check 2>/dev/null; then
  pass "Formatting OK"
else
  echo "  Auto-formatting..."
  cargo fmt --all
  pass "Formatting fixed (review the changes)"
fi

# 2. Clippy lints
echo "── cargo clippy ──"
if cargo clippy --all -- -D warnings 2>/dev/null; then
  pass "Clippy OK"
else
  fail "Clippy found warnings — fix them before committing"
fi

# 3. Quick test (lib tests only — skips slow integration/WASM tests)
echo "── cargo test (lib only) ──"
if cargo test --lib 2>/dev/null; then
  pass "Lib tests OK"
else
  fail "Lib tests failed"
fi

echo ""
echo -e "${GREEN}All pre-commit checks passed.${NC}"