languages/go: use dap-go for dap configurations (#319)

* deps: add nvim-dap-go

* go: use dap-go plugin for dap configurations

* docs: update release notes

---------

Co-authored-by: Pei Yang Ching <pei.ching@check24.de>

docs/release-notes/rl-0.7.md

@@ -29,6 +29,7 @@ Release notes for release 0.7
 - Fix broken treesitter-context keybinds in visual mode
 - Deprecate use of `__empty` to define empty tables in lua. Empty attrset are no
   longer filtered and thus should be used instead.
+- Add dap-go for better dap configurations
 
 [jacekpoz](https://github.com/jacekpoz):
 

flake.lock

@@ -1069,6 +1069,22 @@
         "type": "github"
       }
     },
+    "plugin-nvim-dap-go": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1716775637,
+        "narHash": "sha256-B8A+ven18YgePLxAN3Q/j5NFb0FeTHCQak1uzaNDX9c=",
+        "owner": "leoluz",
+        "repo": "nvim-dap-go",
+        "rev": "a0c5a2b991d7e9304a9a032cf177e22a4b0acda1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "leoluz",
+        "repo": "nvim-dap-go",
+        "type": "github"
+      }
+    },
     "plugin-nvim-dap-ui": {
       "flake": false,
       "locked": {
@@ -1823,6 +1839,7 @@
         "plugin-nvim-colorizer-lua": "plugin-nvim-colorizer-lua",
         "plugin-nvim-cursorline": "plugin-nvim-cursorline",
         "plugin-nvim-dap": "plugin-nvim-dap",
+        "plugin-nvim-dap-go": "plugin-nvim-dap-go",
         "plugin-nvim-dap-ui": "plugin-nvim-dap-ui",
         "plugin-nvim-docs-view": "plugin-nvim-docs-view",
         "plugin-nvim-lightbulb": "plugin-nvim-lightbulb",

flake.nix

@@ -216,6 +216,11 @@
       flake = false;
     };
 
+    plugin-nvim-dap-go = {
+      url = "github:leoluz/nvim-dap-go";
+      flake = false;
+    };
+
     # Filetrees
     plugin-nvim-tree-lua = {
       url = "github:nvim-tree/nvim-tree.lua";

modules/plugins/languages/go.nix

@@ -12,6 +12,7 @@
   inherit (lib.types) bool enum either listOf package str;
   inherit (lib.nvim.types) mkGrammarOption;
   inherit (lib.nvim.lua) expToLua;
+  inherit (lib.nvim.dag) entryAfter;
 
   cfg = config.vim.languages.go;
 
@@ -37,40 +38,6 @@
   debuggers = {
     delve = {
       package = pkgs.delve;
-      dapConfig = ''
-        dap.adapters.delve = {
-          type = "server",
-          port = "''${port}",
-          executable = {
-            command = "${getExe cfg.dap.package}",
-            args = { "dap", "-l", "127.0.0.1:''${port}" },
-          },
-        }
-
-        dap.configurations.go = {
-          {
-            type = "delve",
-            name = "Debug",
-            request = "launch",
-            program = "''${file}",
-          },
-          {
-            type = "delve",
-            name = "Debug test", -- configuration for debugging test files
-            request = "launch",
-            mode = "test",
-            program = "''${file}",
-          },
-          -- works with go.mod packages and sub packages
-          {
-            type = "delve",
-            name = "Debug test (go.mod)",
-            request = "launch",
-            mode = "test",
-            program = "./''${relativeFileDirname}",
-          },
-        }
-      '';
     };
   };
 in {
@@ -102,15 +69,17 @@ in {
 
     dap = {
       enable = mkOption {
-        description = "Enable Go Debug Adapter";
+        description = "Enable Go Debug Adapter via nvim-dap-go plugin";
         type = bool;
         default = config.vim.languages.enableDAP;
       };
+
       debugger = mkOption {
         description = "Go debugger to use";
         type = enum (attrNames debuggers);
         default = defaultDebugger;
       };
+
       package = mkOption {
         description = "Go debugger package.";
         type = package;
@@ -131,8 +100,17 @@ in {
     })
 
     (mkIf cfg.dap.enable {
-      vim.debugger.nvim-dap.enable = true;
-      vim.debugger.nvim-dap.sources.go-debugger = debuggers.${cfg.dap.debugger}.dapConfig;
+      vim = {
+        startPlugins = ["nvim-dap-go"];
+        luaConfigRC.nvim-dap-go = entryAfter ["nvim-dap"] ''
+          require('dap-go').setup {
+            delve = {
+              path = '${getExe cfg.dap.package}',
+            }
+          }
+        '';
+        debugger.nvim-dap.enable = true;
+      };
     })
   ]);
 }