From 2c33389056a156d55701d0254ac91d7f2fa1c52c Mon Sep 17 00:00:00 2001
From: Snoweuph <snow@euph.email>
Date: Sat, 28 Feb 2026 16:30:17 +0100
Subject: [PATCH] language/go: add gopher-nvim extension

---
 docs/manual/release-notes/rl-0.9.md |  3 ++
 modules/plugins/languages/go.nix    | 55 +++++++++++++++++++++++++++--
 npins/sources.json                  | 16 +++++++++
 3 files changed, 71 insertions(+), 3 deletions(-)

diff --git a/docs/manual/release-notes/rl-0.9.md b/docs/manual/release-notes/rl-0.9.md
index 4a322868..e339147f 100644
--- a/docs/manual/release-notes/rl-0.9.md
+++ b/docs/manual/release-notes/rl-0.9.md
@@ -208,6 +208,9 @@
 
 - Added [`golangci-lint`](https://golangci-lint.run/) for more diagnostics.
 
+- Added [`gopher.nvim`](https://github.com/olexsmir/gopher.nvim) for extra
+  actions in `languages.go`.
+
 - updated default filetypes for
   [harper-ls](https://github.com/Automattic/harper) to match what they are
   supposed to be.
diff --git a/modules/plugins/languages/go.nix b/modules/plugins/languages/go.nix
index da3700a7..a240bb98 100644
--- a/modules/plugins/languages/go.nix
+++ b/modules/plugins/languages/go.nix
@@ -1,16 +1,17 @@
 {
+  inputs,
   config,
   pkgs,
   lib,
   ...
 }: let
   inherit (builtins) attrNames;
-  inherit (lib.options) mkEnableOption mkOption literalMD;
+  inherit (lib.options) mkEnableOption mkOption literalMD literalExpression;
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.meta) getExe;
   inherit (lib.generators) mkLuaInline;
-  inherit (lib.types) bool enum package;
-  inherit (lib.nvim.types) mkGrammarOption diagnostics deprecatedSingleOrListOf;
+  inherit (lib.types) bool enum package str;
+  inherit (lib.nvim.types) mkGrammarOption diagnostics deprecatedSingleOrListOf mkPluginSetupOption;
   inherit (lib.nvim.dag) entryAfter;
   inherit (lib.nvim.attrsets) mapListToAttrs;
 
@@ -231,6 +232,45 @@ in {
         inherit defaultDiagnosticsProvider;
       };
     };
+    extensions = {
+      gopher-nvim = {
+        enable = mkEnableOption "Minimalistic plugin for Go development";
+        setupOpts = mkPluginSetupOption "gopher-nvim" {
+          commands = {
+            go = mkOption {
+              type = str;
+              default = "go";
+              description = "Go binary to use";
+            };
+            gomodifytags = mkOption {
+              type = str;
+              default = getExe pkgs.gomodifytags;
+              description = "gomodifytags binary to use";
+            };
+            gotests = mkOption {
+              type = str;
+              default = getExe pkgs.gotests;
+              description = "gotests binary to use";
+            };
+            impl = mkOption {
+              type = str;
+              default = getExe pkgs.impl;
+              description = "impl binary to use";
+            };
+            iferr = mkOption {
+              type = str;
+              default = getExe pkgs.iferr;
+              description = "iferr binary to use";
+            };
+            json2go = mkOption {
+              type = str;
+              default = literalExpression "getExe inputs.self.packages.$${pkgs.stdenv.hostPlatform.system}.json2go";
+              description = "json2go binary to use";
+            };
+          };
+        };
+      };
+    };
   };
 
   config = mkIf cfg.enable (mkMerge [
@@ -292,5 +332,14 @@ in {
             cfg.extraDiagnostics.types);
       };
     })
+
+    (mkIf cfg.extensions.gopher-nvim.enable {
+      vim.lazy.plugins.gopher-nvim = {
+        package = "gopher-nvim";
+        setupModule = "gopher";
+        inherit (cfg.extensions.gopher-nvim) setupOpts;
+        ft = ["go"];
+      };
+    })
   ]);
 }
diff --git a/npins/sources.json b/npins/sources.json
index 05b662ff..2fe8b904 100644
--- a/npins/sources.json
+++ b/npins/sources.json
@@ -656,6 +656,22 @@
       "url": "https://github.com/ellisonleao/glow.nvim/archive/5d5954b2f22e109d4a6eba8b2618c5b96e4ee7a2.tar.gz",
       "hash": "sha256-CvBcmVWBgI+m+PS7p7PmsiPtTEfqx2kpIzz4mImONIc="
     },
+    "gopher-nvim": {
+      "type": "GitRelease",
+      "repository": {
+        "type": "GitHub",
+        "owner": "olexsmir",
+        "repo": "gopher.nvim"
+      },
+      "pre_releases": false,
+      "version_upper_bound": null,
+      "release_prefix": null,
+      "submodules": false,
+      "version": "v0.6.0",
+      "revision": "95fdeb571d837af9efae27fea1c0131fa756ab43",
+      "url": "https://api.github.com/repos/olexsmir/gopher.nvim/tarball/refs/tags/v0.6.0",
+      "hash": "sha256-7aDjMFMCiqub/zCDJIWUIX9Zc6+vyPQOczuOFdc/6S0="
+    },
     "grug-far-nvim": {
       "type": "Git",
       "repository": {