flake.nix

{
  description = "Rust project with musl target";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    flake-utils.url = "github:numtide/flake-utils";
    rust-overlay.url = "github:oxalica/rust-overlay";
  };

  outputs = { self, nixpkgs, flake-utils, rust-overlay }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        pkgs = import nixpkgs {
          inherit system;
          overlays = [ (import rust-overlay) ];
        };
        
        rustToolchain = pkgs.rust-bin.stable.latest.default.override {
          extensions = [ "rust-src" ];
          targets = [ "x86_64-unknown-linux-musl" ];
        };
      in
      {
        devShells.default = pkgs.mkShell {
          packages = with pkgs; [
            bashInteractive
            rustToolchain
            pkg-config
            pkgsStatic.stdenv.cc
            gh
            cargo-edit
          ];

          CARGO_TARGET_X86_64_UNKNOWN_LINUX_MUSL_LINKER = "${pkgs.pkgsStatic.stdenv.cc}/bin/${pkgs.pkgsStatic.stdenv.cc.targetPrefix}cc";
          CC_x86_64_unknown_linux_musl = "${pkgs.pkgsStatic.stdenv.cc}/bin/${pkgs.pkgsStatic.stdenv.cc.targetPrefix}cc";
          
          # Automatically configure Git hooks for code quality
          shellHook = ''
            # Set up Git hooks if not already configured
            if [ -d .git ] && [ -d .githooks ]; then
              current_hooks_path=$(git config core.hooksPath || echo "")
              if [ "$current_hooks_path" != ".githooks" ]; then
                echo "📎 Setting up Git hooks for code quality checks..."
                git config core.hooksPath .githooks
                echo "✅ Git hooks configured automatically!"
                echo "   • pre-commit: Checks code formatting"
                echo "   • pre-push: Runs formatting and clippy checks"
                echo ""
                echo "To disable: git config --unset core.hooksPath"
              fi
            fi
          '';
        };
      }
    );
}