fix: broken :Copilot version command

Fixes zbirenbaum#466

Author: AntoineGS

lua/copilot/command.lua

@@ -9,11 +9,17 @@ function M.version()
   local info = u.get_editor_info()
 
   ---@type string
-  local lines = {
-    info.editorInfo.name .. " " .. info.editorInfo.version,
-    "copilot language server" .. " " .. info.editorPluginInfo.version,
-    "copilot.lua" .. " " .. u.get_copilot_lua_version(),
-  }
+  local lines = info.editorInfo.name
+    .. " "
+    .. info.editorInfo.version
+    .. "\n"
+    .. "copilot language server"
+    .. " "
+    .. info.editorPluginInfo.version
+    .. "\n"
+    .. "copilot.lua"
+    .. " "
+    .. u.get_copilot_lua_version()
 
   local client = c.get()
 

tests/test_command.lua

@@ -0,0 +1,25 @@
+local child_helper = require("tests.child_helper")
+local child = child_helper.new_child_neovim("test_suggestion")
+local u = require("tests.utils")
+
+local T = MiniTest.new_set({
+  hooks = {
+    pre_once = function() end,
+    pre_case = function()
+      child.run_pre_case()
+      child.bo.readonly = false
+    end,
+    post_once = child.stop,
+  },
+})
+
+T["command()"] = MiniTest.new_set()
+
+T["command()"]["version works"] = function()
+  child.configure_copilot()
+  child.cmd("Copilot version")
+  local result = child.cmd_capture("mess")
+  u.expect_match(result, ".*copilot language server.*copilot%.lua.*Node%.js.*language%-server%.js.*")
+end
+
+return T