Move pre-commit hooks to nix

Signed-off-by: Hadi <112569860+anotherhadi@users.noreply.github.com>

flake.nix

@@ -1,55 +1,41 @@
 {
   description = "Spilltea: A minimal, terminal-based HTTP(S) proxy for pentesters and CTF players.";
 
-  inputs = {nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";};
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
+    gomod2nix = {
+      url = "github:nix-community/gomod2nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    git-hooks = {
+      url = "github:cachix/git-hooks.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
 
   outputs = {
     self,
     nixpkgs,
+    gomod2nix,
+    git-hooks,
   }: let
     supportedSystems = ["x86_64-linux" "aarch64-linux"];
 
     forAllSystems = f:
       nixpkgs.lib.genAttrs supportedSystems
       (system: f system (import nixpkgs {inherit system;}));
-
-    pname = "spilltea";
-    version = "0.0.5";
-
-    ldflags = ["-s" "-w" "-X main.version=${version}"];
   in {
-    packages = forAllSystems (system: pkgs: let
-      pkg = pkgs.buildGoModule {
-        inherit pname version ldflags;
-
-        src = ./.;
-        outputs = ["out"];
-
-        vendorHash = "sha256-1iPwFsyzdonak9EWMRnudwcCQZfI+Uvre38+puG4s0s=";
-
-        meta = with pkgs.lib; {
-          description = "A minimal, terminal-based HTTP(S) proxy for pentesters and CTF players.";
-          homepage = "https://github.com/anotherhadi/spilltea";
-          platforms = platforms.unix;
-        };
-      };
-    in {
-      "${pname}" = pkg;
-      default = pkg;
-    });
+    packages = forAllSystems (system: pkgs:
+      import ./nix/package.nix {
+        inherit pkgs;
+        buildGoApplication = gomod2nix.legacyPackages.${system}.buildGoApplication;
+      });
 
     devShells = forAllSystems (system: pkgs: {
-      default = pkgs.mkShell {
-        packages = with pkgs; [
-          go
-          python3
-          lefthook
-          doctoc
-        ];
-
-        shellHook = ''
-          lefthook install
-        '';
+      default = import ./nix/shell.nix {
+        inherit pkgs;
+        gitHooksLib = git-hooks.lib.${system};
+        gomod2nixPkgs = gomod2nix.legacyPackages.${system};
       };
     });
   };