Merge pull request #306 from cameronr/close_unsupported

Made the changes requested in #230

README.md

@@ -134,6 +134,7 @@ require('lualine').setup{
 ```lua
 require("auto-session").setup {
   bypass_session_save_file_types = nil, -- table: Bypass auto save when only buffer open is one of these file types
+  close_unsupported_windows = true, -- boolean: Close windows that aren't backed by normal file
   cwd_change_handling = { -- table: Config for handling the DirChangePre and DirChanged autocmds, can be set to nil to disable altogether
     restore_upcoming_session = true, -- boolean: restore session for upcoming cwd on cwd change
     pre_cwd_changed_hook = nil, -- function: This is called after auto_session code runs for the `DirChangedPre` autocmd

lua/auto-session/init.lua

@@ -64,10 +64,12 @@ local defaultConf = {
 ---@class luaOnlyConf
 ---@field cwd_change_handling CwdChangeHandling
 ---@field bypass_session_save_file_types? table List of file types to bypass auto save when the only buffer open is one of the file types listed
+---@field close_unsupported_windows? boolean Whether to close windows that aren't backed by a real file
 ---@field silent_restore boolean Whether to restore sessions silently or not
 ---@field log_level? string|integer "debug", "info", "warn", "error" or vim.log.levels.DEBUG, vim.log.levels.INFO, vim.log.levels.WARN, vim.log.levels.ERROR
 local luaOnlyConf = {
   bypass_session_save_file_types = nil, -- Bypass auto save when only buffer open is one of these file types
+  close_unsupported_windows = true, -- Close windows that aren't backed by normal file
   ---CWD Change Handling Config
   ---@class CwdChangeHandling
   ---@field restore_upcoming_session boolean {true} restore session for upcoming cwd on cwd change
@@ -391,6 +393,10 @@ function AutoSession.AutoSaveSession(sessions_dir)
       end
     end
 
+    if AutoSession.conf.close_unsupported_windows then
+      Lib.close_unsupported_windows()
+    end
+
     AutoSession.SaveSession(sessions_dir, true)
   end
 end

lua/auto-session/lib.lua

@@ -185,4 +185,19 @@ function Lib.has_open_buffers()
   return result
 end
 
+function Lib.close_unsupported_windows()
+  local tabpages = vim.api.nvim_list_tabpages()
+  for _, tabpage in ipairs(tabpages) do
+    local windows = vim.api.nvim_tabpage_list_wins(tabpage)
+    for _, window in ipairs(windows) do
+      local buffer = vim.api.nvim_win_get_buf(window)
+      local file_name = vim.api.nvim_buf_get_name(buffer)
+      if not Lib.is_readable(file_name) then
+        vim.api.nvim_win_close(window, true)
+        break;
+      end
+    end
+  end
+end
+
 return Lib