language/go: add gopher.nvim for impl, gomodifytags, iferr and ... support

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.

modules/plugins/languages/go.nix

@@ -9,8 +9,8 @@
   inherit (lib.modules) mkIf mkMerge;
   inherit (lib.meta) getExe;
   inherit (lib.generators) mkLuaInline;
-  inherit (lib.types) bool enum package;
+  inherit (lib.types) bool enum package str;
-  inherit (lib.nvim.types) mkGrammarOption diagnostics deprecatedSingleOrListOf;
+  inherit (lib.nvim.types) mkGrammarOption diagnostics deprecatedSingleOrListOf mkPluginSetupOption;
   inherit (lib.nvim.dag) entryAfter;
   inherit (lib.nvim.attrsets) mapListToAttrs;
 
@@ -231,6 +231,40 @@ in {
         inherit defaultDiagnosticsProvider;
       };
     };
+    extensions = {
+      gopher-nvim = {
+        enable = mkEnableOption "Minimalistic plugin for Go development";
+        setupOpts = mkPluginSetupOption "gopher-nvim" {
+          commands = {
+            go = mkOption {
+              description = "go binary to use";
+              type = str;
+              default = "go";
+            };
+            gomodifytags = mkOption {
+              description = "gomodifytags binary to use";
+              type = str;
+              default = getExe pkgs.gomodifytags;
+            };
+            gotests = mkOption {
+              description = "gotests binary to use";
+              type = str;
+              default = getExe pkgs.gotests;
+            };
+            impl = mkOption {
+              description = "impl binary to use";
+              type = str;
+              default = getExe pkgs.impl;
+            };
+            iferr = mkOption {
+              description = "iferr binary to use";
+              type = str;
+              default = getExe pkgs.iferr;
+            };
+          };
+        };
+      };
+    };
   };
 
   config = mkIf cfg.enable (mkMerge [
@@ -292,5 +326,14 @@ 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"];
+      };
+    })
   ]);
 }

npins/sources.json

@@ -669,6 +669,19 @@
       "url": "https://github.com/MagicDuck/grug-far.nvim/archive/275dbedc96e61a6b8d1dfb28ba51586ddd233dcf.tar.gz",
       "hash": "sha256-qn1BTNCX0Sm158Lv5JfHThqlJX9ualCIlc+RCjWa+t8="
     },
+    "gopher-nvim": {
+      "type": "Git",
+      "repository": {
+        "type": "GitHub",
+        "owner": "olexsmir",
+        "repo": "gopher.nvim"
+      },
+      "branch": "main",
+      "submodules": false,
+      "revision": "6a3924cee5a9f36d316f8e4a90c3020438d3513f",
+      "url": "https://github.com/olexsmir/gopher.nvim/archive/6a3924cee5a9f36d316f8e4a90c3020438d3513f.tar.gz",
+      "hash": "sha256-iXTmgdADtZFQVm+IN+JoPActGuO8r7VTeHKJdkEgmVo="
+    },
     "gruvbox": {
       "type": "Git",
       "repository": {