feat: add debug_config options

README.md

@@ -79,6 +79,19 @@ lua require('dap-go').setup {
  -- ignored by delve in dap mode.
  build_flags = "",
  },
+
+ -- When debugging tests, nvim-dap-go will use a custom launch configuration
+ -- not included in `dap_configurations`.
+ -- You can use the following option to add extra configuration arguments
+ -- for when running tests in debug mode.
+ -- This table is merged with the default debug launch configuration, 
+ -- overriding any existing values.
+ extra_debug_opts = {
+ env = {
+ MY_ENV_VAR = "value",
+ },
+ cwd = "${workspaceFolder}",
+ }
 }
 ```
 
@@ -90,11 +103,12 @@ lua require('dap-go').setup {
 
 ### Debugging individual tests
 
-
 To debug the closest method above the cursor use you can run:
+
 - `:lua require('dap-go').debug_test()`
 
 Once a test was run, you can simply run it again from anywhere:
+
 - `:lua require('dap-go').debug_last_test()`
 
 It is better to define a mapping to invoke this command. See the mapping section below.
@@ -112,6 +126,7 @@ It is better to define a mapping to invoke this command. See the mapping section
 ### Debugging with dlv in headless mode
 
 1. Register a new option to attach to a remote debugger:
+
 ```lua
 lua require('dap-go').setup {
  dap_configurations = {
@@ -124,10 +139,13 @@ lua require('dap-go').setup {
  },
 }
 ```
+
 1. Start `dlv` in headless mode. You can specify subcommands and flags after `--`, e.g.,
+
 ```sh
 dlv debug -l 127.0.0.1:38697 --headless ./main.go -- subcommand --myflag=xyz
 ```
+
 1. Call `:lua require('dap').continue()` to start debugging.
 1. Select the new registered option `Attach remote`.
 

lua/dap-go.lua

@@ -124,22 +124,26 @@ end
 function M.setup(opts)
  local config = vim.tbl_deep_extend("force", default_config, opts or {})
  M.test_buildflags = config.delve.build_flags
+ M.extra_debug_opts = config.extra_debug_opts
  local dap = load_module("dap")
  setup_delve_adapter(dap, config)
  setup_go_configuration(dap, config)
 end
 
-local function debug_test(testname, testpath, build_flags)
+local function debug_test(testname, testpath, build_flags, extra_debug_opts)
  local dap = load_module("dap")
- dap.run({
+ local run_config = {
  type = "go",
  name = testname,
  request = "launch",
  mode = "test",
  program = testpath,
  args = { "-test.run", "^" .. testname .. "$" },
  buildFlags = build_flags,
- })
+ }
+ run_config = vim.tbl_deep_extend("force", run_config, extra_debug_opts or {})
+ vim.notify(vim.inspect(extra_debug_opts))
+ dap.run(run_config)
 end
 
 function M.debug_test()
@@ -155,7 +159,7 @@ function M.debug_test()
 
  local msg = string.format("starting debug session '%s : %s'...", test.package, test.name)
  vim.notify(msg)
- debug_test(test.name, test.package, M.test_buildflags)
+ debug_test(test.name, test.package, M.test_buildflags, M.extra_debug_opts)
 
  return true
 end