feat: use build flags for delve in dap-go config

README.md

@@ -517,9 +517,33 @@ feature... 🙈
 
 If you need to set build tags (like e.g. `-tags debug` or `-tags "tag1 tag2"`),
 you need to provide these arguments both in the `go_test_args` and
-`go_list_args` adapter options.
+`go_list_args` adapter options. If you want to be able to debug, you also need
+to set `dap_go_opts`. Full example:
 
-> !TIP
+```lua
+return {
+  {
+    "nvim-neotest/neotest",
+    config = function()
+      require("neotest").setup({
+        adapters = {
+          require("neotest-golang")({
+            go_test_args = { "-count=1", "-tags=integration" },
+            go_list_args = { "-tags=integration" },
+            dap_go_opts = {
+              delve = {
+                build_flags = { "-tags=integration" },
+              },
+            },
+          }),
+        },
+      })
+    end,
+  },
+}
+```
+
+> [!TIP]
 >
 > Depending on how you have Neovim setup, you can define this on a per-project
 > basis by placing a `.lazy.lua` with overrides in the project. This requires

lua/neotest-golang/features/dap/init.lua

@@ -1,6 +1,7 @@
 --- DAP setup related functions.
 
 local options = require("neotest-golang.options")
+local logger = require("neotest-golang.logging")
 
 local M = {}
 
@@ -13,10 +14,15 @@ function M.setup_debugging(cwd)
     dap_go_opts.delve = {}
   end
   dap_go_opts.delve.cwd = cwd
+  logger.debug({ "Provided dap_go_opts for DAP: ", dap_go_opts })
   require("dap-go").setup(dap_go_opts)
 
   -- reset nvim-dap-go (and cwd) after debugging with nvim-dap
   require("dap").listeners.after.event_terminated["neotest-golang-debug"] = function()
+    logger.debug({
+      "Resetting provided dap_go_opts for DAP: ",
+      dap_go_opts_original,
+    })
     require("dap-go").setup(dap_go_opts_original)
   end
 end
@@ -34,6 +40,11 @@ function M.get_dap_config(test_name_regex)
     args = { "-test.run", test_name_regex },
   }
 
+  local dap_go_opts = options.get().dap_go_opts or {}
+  if dap_go_opts.delve ~= nil and dap_go_opts.delve.build_flags ~= nil then
+    dap_config.buildFlags = dap_go_opts.delve.build_flags
+  end
+
   return dap_config
 end