Initial checkin

Makefile

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+.PHONY: build clean wipe test help
+
+# Default target
+all: build
+
+# Build the binary
+build:
+	@echo "Building s3-genindex..."
+	go build -o s3-genindex ./cmd/s3-genindex
+	@echo "Build complete: s3-genindex"
+
+# Run tests
+test:
+	@echo "Running tests..."
+	go test -v ./...
+	@echo "Tests complete"
+
+# Run tests with coverage
+test-coverage:
+	@echo "Running tests with coverage..."
+	go test -v -coverprofile=coverage.out ./...
+	go tool cover -html=coverage.out -o coverage.html
+	@echo "Coverage report generated: coverage.html"
+
+# Clean build artifacts
+clean:
+	@echo "Cleaning build artifacts..."
+	rm -f s3-genindex
+	rm -f coverage.out coverage.html
+	@echo "Clean complete"
+
+# Wipe everything including test caches
+wipe: clean
+	@echo "Wiping test cache and module cache..."
+	go clean -testcache
+	go clean -modcache
+	@echo "Wipe complete"
+
+# Install binary to $GOPATH/bin or $GOBIN
+install:
+	@echo "Installing s3-genindex..."
+	go install ./cmd/s3-genindex
+	@echo "Install complete"
+
+# Format code
+fmt:
+	@echo "Formatting code..."
+	go fmt ./...
+	@echo "Format complete"
+
+# Vet code for issues
+vet:
+	@echo "Vetting code..."
+	go vet ./...
+	@echo "Vet complete"
+
+# Lint code (requires golangci-lint)
+lint:
+	@echo "Linting code..."
+	@if command -v golangci-lint >/dev/null 2>&1; then \
+		golangci-lint run; \
+	else \
+		echo "golangci-lint not found, skipping lint"; \
+	fi
+
+# Run all checks
+check: fmt vet lint test
+	@echo "All checks passed"
+
+# Run benchmarks
+bench:
+	@echo "Running benchmarks..."
+	go test -bench=. ./...
+
+# Show help
+help:
+	@echo "Available targets:"
+	@echo "  build         - Build the s3-genindex binary"
+	@echo "  test          - Run all tests"
+	@echo "  test-coverage - Run tests with coverage report"
+	@echo "  clean         - Remove build artifacts"
+	@echo "  wipe          - Clean everything including caches"
+	@echo "  install       - Install binary to GOPATH/bin"
+	@echo "  fmt           - Format code"
+	@echo "  vet           - Vet code for issues"
+	@echo "  lint          - Lint code (requires golangci-lint)"
+	@echo "  check         - Run fmt, vet, lint, and test"
+	@echo "  bench         - Run benchmarks"
+	@echo "  help          - Show this help message"