add

.envrc

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+# Automatically load the Nix flake development environment
+use flake
+
+# Add project-specific environment variables
+export PROJECT_ROOT="$(pwd)"
+export GOPATH="$PROJECT_ROOT/.go"
+export GOBIN="$GOPATH/bin"
+export GOCACHE="$PROJECT_ROOT/.gocache"
+
+# Add Go bin to PATH
+PATH_add "$GOBIN"
+
+# Load any additional .env file if present
+dotenv_if_exists 

.gitignore

@@ -1 +1,49 @@
-wireguard-go
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+
+# Development environment artifacts
+.go/
+.gocache/
+.direnv/
+result
+result-*
+
+# Editor directories and files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Air live reload
+.air.toml
+tmp/
+
+# Local environment variables
+.env
+.env.local

flake.nix

@@ -0,0 +1,149 @@
+{
+  description = "WireGuard Go development environment";
+
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, flake-utils }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = nixpkgs.legacyPackages.${system};
+        
+        # Go version matching go.mod
+        go = pkgs.go_1_23;
+        
+        # Additional Go tools for development
+        goTools = with pkgs; [
+          # Core Go toolchain
+          go
+          
+          # Language Server Protocol
+          gopls
+          
+          # Formatting and imports
+          gofmt
+          goimports
+          gofumpt  # Stricter gofmt
+          
+          # Linting and static analysis
+          golangci-lint
+          staticcheck
+          gosec      # Security checker
+          ineffassign
+          misspell
+          
+          # Debugging
+          delve
+          
+          # Code generation and refactoring
+          gotests       # Generate tests
+          gomodifytags  # Modify struct tags
+          impl          # Generate interface implementations
+          govulncheck   # Vulnerability scanner
+          
+          # Build and development tools
+          air           # Live reload
+          gotools       # Various tools (guru, gorename, etc.)
+          
+          # Testing and benchmarking
+          gotestsum     # Pretty test output
+          
+          # Documentation
+          godoc
+        ];
+        
+        # System tools
+        systemTools = with pkgs; [
+          git
+          make
+          direnv
+          nix-direnv
+          
+          # Networking tools (useful for WireGuard development)
+          iproute2
+          iptables
+          wireguard-tools
+          
+          # Text processing
+          jq
+          yq-go
+          
+          # Shell and utilities
+          fish
+          ripgrep
+          fd
+          tree
+        ];
+
+      in
+      {
+        devShells.default = pkgs.mkShell {
+          buildInputs = goTools ++ systemTools;
+          
+          shellHook = ''
+            echo "🚀 WireGuard Go development environment loaded!"
+            echo "📦 Go version: $(go version)"
+            echo "🔧 Available tools:"
+            echo "  • LSP: gopls"
+            echo "  • Linting: golangci-lint, staticcheck, gosec"
+            echo "  • Formatting: gofmt, goimports, gofumpt"
+            echo "  • Debugging: delve (dlv)"
+            echo "  • Testing: gotests, gotestsum"
+            echo "  • Security: govulncheck"
+            echo "  • Live reload: air"
+            echo ""
+            echo "💡 Quick commands:"
+            echo "  • go mod tidy          # Clean dependencies"
+            echo "  • golangci-lint run    # Run all linters"
+            echo "  • govulncheck ./...    # Check for vulnerabilities"
+            echo "  • gotests -all         # Generate tests"
+            echo "  • air                  # Live reload server"
+            echo ""
+            
+            # Set up Go environment
+            export GOPATH="$PWD/.go"
+            export GOBIN="$GOPATH/bin"
+            export PATH="$GOBIN:$PATH"
+            
+            # Create necessary directories
+            mkdir -p "$GOPATH/bin"
+            
+            # Set Go build cache to project directory
+            export GOCACHE="$PWD/.gocache"
+            mkdir -p "$GOCACHE"
+            
+            # Ensure proper Go module mode
+            export GO111MODULE=on
+            
+            # Development-friendly settings
+            export GOTOOLCHAIN="go1.23.1"
+            export CGO_ENABLED=1
+            
+            # WireGuard specific
+            export WG_COLOR_MODE=always
+          '';
+          
+          # Environment variables for tools
+          CGO_ENABLED = "1";
+          GO111MODULE = "on";
+          GOFLAGS = "-buildvcs=false";  # Disable VCS stamping for reproducible builds
+        };
+        
+        # Optional: Create a package for the WireGuard binary
+        packages.default = pkgs.buildGoModule {
+          pname = "wireguard-go";
+          version = "0.0.0-dev";
+          src = ./.;
+          vendorHash = null;  # Let Nix handle dependencies
+          
+          meta = with pkgs.lib; {
+            description = "Userspace Go implementation of WireGuard";
+            homepage = "https://www.wireguard.com/";
+            license = licenses.mit;
+            platforms = platforms.linux ++ platforms.darwin;
+          };
+        };
+      });
+}