Move pre-commit hooks to nix

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

.gitignore

@@ -1,3 +1,4 @@
 .claude/
 CLAUDE.md
 result/
+.pre-commit-config.yaml

flake.lock

@@ -1,5 +1,103 @@
 {
   "nodes": {
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1767039857,
+        "narHash": "sha256-vNpUSpF5Nuw8xvDLj2KCwwksIbjua2LZCqhV1LNRDns=",
+        "owner": "NixOS",
+        "repo": "flake-compat",
+        "rev": "5edf11c44bc78a0d334f6334cdaf7d60d732daab",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "git-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1778507602,
+        "narHash": "sha256-kTwur1wV+01SdqskVMSo6JMEpg71ps3HpbFY2GsflKs=",
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "61ab0e80d9c7ab14c256b5b453d8b3fb0189ba0a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "git-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "gomod2nix": {
+      "inputs": {
+        "flake-utils": "flake-utils",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1770585520,
+        "narHash": "sha256-yBz9Ozd5Wb56i3e3cHZ8WcbzCQ9RlVaiW18qDYA/AzA=",
+        "owner": "nix-community",
+        "repo": "gomod2nix",
+        "rev": "1201ddd1279c35497754f016ef33d5e060f3da8d",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "gomod2nix",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1777954456,
@@ -18,8 +116,25 @@
     },
     "root": {
       "inputs": {
+        "git-hooks": "git-hooks",
+        "gomod2nix": "gomod2nix",
         "nixpkgs": "nixpkgs"
       }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
     }
   },
   "root": "root",

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};
       };
     });
   };

lefthook.yml

@@ -1,19 +0,0 @@
-pre-commit:
-  piped: true
-  commands:
-    check-vendor-hash:
-      glob: "{go.mod,go.sum}"
-      run: .github/scripts/check-vendor-hash.sh
-      stage_fixed: true
-    inject-exec-basics:
-      glob: "{docs/basics.md,cmd/**}"
-      run: python3 .github/scripts/inject-exec.py docs/basics.md
-      stage_fixed: true
-    inject-exec:
-      glob: "{README.md,docs/basics.md,cmd/**}"
-      run: python3 .github/scripts/inject-exec.py README.md
-      stage_fixed: true
-    toc:
-      glob: "{README.md,docs/basics.md,cmd/**}"
-      run: doctoc --notitle README.md
-      stage_fixed: true

nix/package.nix

@@ -0,0 +1,21 @@
+{
+  pkgs,
+  buildGoApplication,
+}: let
+  pname = "spilltea";
+  version = "0.0.5";
+  ldflags = ["-s" "-w" "-X main.version=${version}"];
+  pkg = buildGoApplication {
+    inherit pname version ldflags;
+    src = ../.;
+    modules = ./gomod2nix.toml;
+    meta = with pkgs.lib; {
+      description = "A minimal, terminal-based HTTP(S) proxy for pentesters and CTF players.";
+      homepage = "https://github.com/anotherhadi/spilltea";
+      platforms = platforms.unix;
+    };
+  };
+in {
+  "${pname}" = pkg;
+  default = pkg;
+}

nix/shell.nix

@@ -0,0 +1,61 @@
+{
+  pkgs,
+  gitHooksLib,
+  gomod2nixPkgs,
+}: let
+  hooks = gitHooksLib.run {
+    src = ../.;
+    hooks = {
+      gofmt.enable = true;
+      govet.enable = true;
+
+      gomod2nix = {
+        enable = true;
+        name = "gomod2nix";
+        entry = "gomod2nix --outdir ./nix";
+        language = "system";
+        files = "go\\.(mod|sum)$";
+        pass_filenames = false;
+      };
+
+      inject-exec-basics = {
+        enable = true;
+        name = "inject-exec-basics";
+        entry = "python3 .github/scripts/inject-exec.py docs/basics.md";
+        language = "system";
+        files = "(docs/basics\\.md|cmd/)";
+        pass_filenames = false;
+      };
+
+      inject-exec = {
+        enable = true;
+        name = "inject-exec";
+        entry = "python3 .github/scripts/inject-exec.py README.md";
+        language = "system";
+        files = "(README\\.md|docs/basics\\.md|cmd/)";
+        pass_filenames = false;
+      };
+
+      doctoc = {
+        enable = true;
+        name = "doctoc";
+        entry = "doctoc --notitle README.md";
+        language = "system";
+        files = "(README\\.md|docs/basics\\.md|cmd/)";
+        pass_filenames = false;
+      };
+    };
+  };
+in
+  pkgs.mkShell {
+    packages = with pkgs;
+      [
+        go
+        python3
+        doctoc
+        gomod2nixPkgs.gomod2nix
+      ]
+      ++ hooks.enabledPackages;
+
+    shellHook = hooks.shellHook;
+  }