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7 days ago

Neovim Session Manager

A Neovim 0.7+ plugin that use built-in :mksession to manage sessions like folders in VSCode. It allows you to save the current folder as a session to open it later. The plugin can also automatically load the last session on startup, save the current one on exit and switch between session folders.

The plugin saves the sessions in the specified folder (see configuration). The session corresponds to the working directory. If a session already exists for the current folder, it will be overwritten.



Use the command :SessionManager[!] with one of the following arguments:

Argument Description
load_session Select and load session. (Your current session won't appear on the list).
load_last_session Will remove all buffers and :source the last saved session.
load_current_dir_session Will remove all buffers and :source the last saved session file of the current directory.
save_current_session Works like :mksession, but saves/creates current directory as a session in sessions_dir.
delete_session Select and delete session.
delete_current_dir_session Deletes the session associated with the current directory.

When ! is specified, the modified buffers will not be saved.

Commands load_session and delete_session use To use your favorite picker like Telescope, consider installing dressing.nvim or telescope-ui-select.nvim.


To configure the plugin, you can call require('session_manager').setup(values), where values is a dictionary with the parameters you want to override. Here are the defaults:

local Path = require('plenary.path')
local config = require('session_manager.config')
  sessions_dir = Path:new(vim.fn.stdpath('data'), 'sessions'), -- The directory where the session files will be saved.
  session_filename_to_dir = session_filename_to_dir, -- Function that replaces symbols into separators and colons to transform filename into a session directory.
  dir_to_session_filename = dir_to_session_filename, -- Function that replaces separators and colons into special symbols to transform session directory into a filename. Should use `vim.loop.cwd()` if the passed `dir` is `nil`.
  autoload_mode = config.AutoloadMode.LastSession, -- Define what to do when Neovim is started without arguments. Possible values: Disabled, CurrentDir, LastSession
  autosave_last_session = true, -- Automatically save last session on exit and on session switch.
  autosave_ignore_not_normal = true, -- Plugin will not save a session when no buffers are opened, or all of them aren't writable or listed.
  autosave_ignore_dirs = {}, -- A list of directories where the session will not be autosaved.
  autosave_ignore_filetypes = { -- All buffers of these file types will be closed before the session is saved.
  autosave_ignore_buftypes = {}, -- All buffers of these bufer types will be closed before the session is saved.
  autosave_only_in_session = false, -- Always autosaves session. If true, only autosaves after a session is active.
  max_path_length = 80,  -- Shorten the display path if length exceeds this threshold. Use 0 if don't want to shorten the path at all.


You can specify commands to be executed automatically after saving or loading a session using the following events:

Event Description
SessionSavePre Executed before a session is saved
SessionSavePost Executed after a session is saved
SessionLoadPre Executed before a session is loaded
SessionLoadPost Executed after a session is loaded

For example, if you would like to have NvimTree or any other file tree automatically opened after a session load, have this somewhere in your config file:

local config_group = vim.api.nvim_create_augroup('MyConfigGroup', {}) -- A global group for all your config autocommands

vim.api.nvim_create_autocmd({ 'User' }, {
  pattern = "SessionLoadPost",
  group = config_group,
  callback = function()
    require('nvim-tree.api').tree.toggle(false, true)

Save session on BufWrite

You can enable this opt in feature with

-- Auto save session
vim.api.nvim_create_autocmd({ 'BufWritePre' }, {
  callback = function ()
    for _, buf in ipairs(vim.api.nvim_list_bufs()) do
      -- Don't save while there's any 'nofile' buffer open.
      if vim.api.nvim_get_option_value("buftype", { buf = buf }) == 'nofile' then

For more information about autocmd and its event, see also: