Merge branch 'stevearc:master' into feat-setup-view-options-add-is_excluded

lua/oil/config.lua

@@ -22,6 +22,8 @@ local default_config = {
     conceallevel = 3,
     concealcursor = "n",
   },
+  -- Oil will take over directory buffers (e.g. `vim .` or `:e src/`
+  default_file_explorer = true,
   -- Restore window options to previous values when leaving an oil buffer
   restore_win_options = true,
   -- Skip the confirmation popup for simple operations
@@ -142,9 +144,12 @@ M.get_trash_url = function()
   return M.adapter_to_scheme.files .. fs.os_to_posix_path(M.trash)
 end
 
----@param scheme string
+---@param scheme nil|string
 ---@return nil|oil.Adapter
 M.get_adapter_by_scheme = function(scheme)
+  if not scheme then
+    return nil
+  end
   if not vim.endswith(scheme, "://") then
     local pieces = vim.split(scheme, "://", { plain = true })
     if #pieces <= 2 then