Nilaway enabled golangci-lint for pre-commit hooks

0001-feat-Add-nilaway-plugin.patch

From 39a0771134cf2ebc355f94d1a402c9f061b5ee66 Mon Sep 17 00:00:00 2001
From: Asliddin Abdivasiyev <asliddin.abdivasiyev@gmail.com>
Date: Fri, 9 Jan 2026 17:04:59 +0500
Subject: [PATCH] feat: Add nilaway plugin

---
 cmd/golangci-lint/plugins.go | 2 +-
 go.mod                       | 2 ++
 go.sum                       | 4 ++++
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/cmd/golangci-lint/plugins.go b/cmd/golangci-lint/plugins.go
index 541ff762..aa16ef61 100644
--- a/cmd/golangci-lint/plugins.go
+++ b/cmd/golangci-lint/plugins.go
@@ -1,3 +1,3 @@
 package main
 
-// This file is used to declare module plugins.
+import _ "go.uber.org/nilaway/cmd/gclplugin"
diff --git a/go.mod b/go.mod
index a9e81cbd..8713aee0 100644
--- a/go.mod
+++ b/go.mod
@@ -139,6 +139,7 @@ require (
 	go.augendre.info/arangolint v0.3.1
 	go.augendre.info/fatcontext v0.9.0
 	go.uber.org/automaxprocs v1.6.0
+	go.uber.org/nilaway v0.0.0-20251208195206-89df5f7e6199
 	go.yaml.in/yaml/v3 v3.0.4
 	golang.org/x/mod v0.31.0
 	golang.org/x/sync v0.19.0
@@ -187,6 +188,7 @@ require (
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/hexops/gotextdiff v1.0.3 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
+	github.com/klauspost/compress v1.18.0 // indirect
 	github.com/ldez/structtags v0.6.1 // indirect
 	github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
 	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
diff --git a/go.sum b/go.sum
index 549c9316..00026767 100644
--- a/go.sum
+++ b/go.sum
@@ -370,6 +370,8 @@ github.com/kisielk/errcheck v1.9.0/go.mod h1:kQxWMMVZgIkDq7U8xtG/n2juOjbLgZtedi0
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/kkHAIKE/contextcheck v1.1.6 h1:7HIyRcnyzxL9Lz06NGhiKvenXq7Zw6Q0UQu/ttjfJCE=
 github.com/kkHAIKE/contextcheck v1.1.6/go.mod h1:3dDbMRNBFaq8HFXWC1JyvDSPm43CmE6IuHam8Wr0rkg=
+github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
+github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.3/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
@@ -651,6 +653,8 @@ go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
 go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/multierr v1.10.0 h1:S0h4aNzvfcFsC3dRF1jLoaov7oRaKqRGC/pUEJ2yvPQ=
 go.uber.org/multierr v1.10.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
+go.uber.org/nilaway v0.0.0-20251208195206-89df5f7e6199 h1:g3BCLExlgKmPrOYZxhjqyNz4ySS1X3ULGzhacN0XNnk=
+go.uber.org/nilaway v0.0.0-20251208195206-89df5f7e6199/go.mod h1:pbGMVkhssd5Ee+eoqfgEk9mzoJoKZAhnTbl1QNcYDi0=
 go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
 go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
 go.yaml.in/yaml/v3 v3.0.4 h1:tfq32ie2Jv2UxXFdLJdh3jXuOzWiL1fo0bu/FbuKpbc=
-- 
2.49.0

flake.nix

{
  description = "some service";
  nixConfig = {
    allow-import-from-derivation = true;
  };

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

    # Git hooks
    pre-commit-hooks = {
      url = "github:cachix/git-hooks.nix";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  outputs = {
    self,
    nixpkgs,
    flake-utils,
    pre-commit-hooks,
    ...
  }:
    flake-utils.lib.eachDefaultSystem (
      system: let
        inherit (self.checks.${system}) pre-commit-check;
        # pkgs = import nixpkgs {localSystem = {inherit system;};};
        pkgs = nixpkgs.legacyPackages.${system};

        # build golangci-lint with custom linters
        golangci-lint =
          pkgs.golangci-lint.overrideAttrs
          (oldAttrs: rec {
            version = "2.8.0";
            src = pkgs.fetchFromGitHub {
              owner = "golangci";
              repo = "golangci-lint";
              rev = "v${version}";
              sha256 = "sha256-w6MAOirj8rPHYbKrW4gJeemXCS64fNtteV6IioqIQTQ=";
            };
            vendorHash = "sha256-a6tGWnLeqwyLirqpn73v7XXu39cRkXDibDTncf7trWc=";
            patches =
              oldAttrs.patches or []
              ++ [
                # nilaway plugin patch
                (pkgs.fetchurl
                  {
                    url = "https://gist.githubusercontent.com/abdivasiyev/eec72445c494f5e4712b627baf5506ce/raw/37d88eb2159f58ee0a4aebf9491e210c8adf959f/0001-feat-Add-nilaway-plugin.patch";
                    sha256 = "sha256-G2w/nSuS4h0mYUvMh03vvfPrER6NZNI4jb3F5ZqfbAM=";
                  })
              ];
          });
      in {
        # Tests and suites for this repo
        checks = {
          pre-commit-check = pre-commit-hooks.lib.${system}.run {
            src = ./.;
            hooks = {
              # golangci-lint.enable = true;
              custom-golangci-lint = {
                enable = true;
                name = "custom-golangci-lint";
                entry = "${golangci-lint}/bin/golangci-lint";
                args = ["./..."];
                files = "\\.go$";
              };
              gotest.enable = true;
              go-generate = {
                enable = true;
                entry = "go";
                args = ["generate" "./..."];
                pass_filenames = false;
                files = "\\.go$";
              };
            };
          };
        };

        devShells.default = pkgs.callPackage ./shell.nix {inherit pkgs golangci-lint pre-commit-hooks pre-commit-check;};
      }
    );
}

shell.nix

{
  pkgs ? let
    lock = (builtins.fromJSON (builtins.readFile ./flake.lock)).nodes.nixpkgs.locked;
    nixpkgs = fetchTarball {
      url = "https://github.com/nixos/nixpkgs/archive/${lock.rev}.tar.gz";
      sha256 = lock.narHash;
    };
  in
    import nixpkgs {overlays = [];},
  pre-commit-check,
  golangci-lint,
  ...
}:
pkgs.stdenv.mkDerivation {
  name = "some-service-dev-shell";

  # Build time dependencies
  nativeBuildInputs = with pkgs; [
    go
    gopls
    go-tools
    golangci-lint
    go-swag
    delve
    sqlc
    just
  ];

  # Runtime dependencies
  buildInputs = [
    pre-commit-check.enabledPackages
  ];
  # Things to run before entering devShell
  shellHook = ''
    export DOCKER_HOST=unix://$HOME/.colima/docker.sock
    ${pre-commit-check.shellHook}
  '';

  # Environmental variables
  NIX_CONFIG = "extra-experimental-features = nix-command flakes";
}