auth provider support (zbirenbaum#313)

Author: arkuna23

lua/copilot/api.lua

@@ -30,8 +30,9 @@ end
 
 ---@alias copilot_editor_info { name: string, version: string }
 ---@alias copilot_editor_plugin_info { name: string, version: string }
+---@alias copilot_auth_provider { url: string }
 ---@alias copilot_network_proxy { host: string, port: integer, username?: string, password?: string, rejectUnauthorized?: boolean }
----@alias copilot_set_editor_info_params { editorInfo: copilot_editor_info, editorPluginInfo: copilot_editor_plugin_info, editorConfiguration: copilot_editor_configuration, networkProxy?: copilot_network_proxy }
+---@alias copilot_set_editor_info_params { editorInfo: copilot_editor_info, editorPluginInfo: copilot_editor_plugin_info, editorConfiguration: copilot_editor_configuration, networkProxy?: copilot_network_proxy, authProvider?: copilot_auth_provider }
 
 ---@param params copilot_set_editor_info_params
 ---@return any|nil err

lua/copilot/client.lua

@@ -207,6 +207,10 @@ local function prepare_client_config(overrides)
         local set_editor_info_params = util.get_editor_info()
         set_editor_info_params.editorConfiguration = util.get_editor_configuration()
         set_editor_info_params.networkProxy = util.get_network_proxy()
+        local provider_url = config.get("auth_provider_url")
+        set_editor_info_params.authProvider = provider_url and {
+          url = provider_url,
+        } or nil
         api.set_editor_info(client, set_editor_info_params, function(err)
           if err then
             vim.notify(string.format("[copilot] setEditorInfo failure: %s", err), vim.log.levels.ERROR)

lua/copilot/config.lua

@@ -37,6 +37,8 @@ local default_config = {
   ft_disable = nil,
   ---@type table<string, boolean>
   filetypes = {},
+  ---@type string|nil
+  auth_provider_url = nil,
   copilot_node_command = "node",
   server_opts_overrides = {},
 }