feat: 직전의 session 을 저장하고 불러올 수 있도록 구현

lua/custom/configs/vim-startify.lua

@@ -1,3 +1,32 @@
+local PREVIOUS_SESSION_LINK_PATH = vim.fn.stdpath('data') .. '/previous_session'
+local get_privous_session = function ()
+  local __LAST__ = '__LAST__'
+  local fn = vim.fn
+  local last_session_path = fn.stdpath('data') .. '/session/' .. __LAST__
+  local current_session = fn.resolve(last_session_path)
+
+  if vim.fs.basename(current_session )== last_session_path then
+    return print("There is no last_session_path")
+  end
+
+  return current_session
+end
+local create_previous_session_link = function()
+  local session = get_privous_session()
+
+  if session then
+    local source = '../' .. vim.fs.basename(session)
+
+    vim.fn.system('ln -fs ' .. source .. ' ' .. PREVIOUS_SESSION_LINK_PATH)
+  end
+end
+local switch_privous_session = function ()
+  local current_session = vim.fn.resolve(PREVIOUS_SESSION_LINK_PATH)
+
+  if vim.fn.filereadable(current_session) then
+    vim.cmd('SLoad ' .. vim.fs.basename(current_session))
+  end
+end
 local map = function (fn, tlb)
   assert(type(fn) == "function", "fn: function")
   assert(type(tlb) == "table", "tlb: table(list)")
@@ -25,7 +54,18 @@ local get_git_files = function ()
   return ret
 end
 
--- https://github.com/deptno/.config/blob/8bb421a122c30b172f3cd8ec9ac0f8894fe46bc5/.config/nvim/lua/user/startify.lua
+-- @legacy https://github.com/deptno/.config/blob/8bb421a122c30b172f3cd8ec9ac0f8894fe46bc5/.config/nvim/lua/user/startify.lua
+vim.g.startify_show_help = 1
+vim.g.startify_show_help_delay = 1
+vim.g.startify_show_help_delay_interval = 0.1
+vim.g.startify_change_to_dir = 0
+vim.g.change_to_vcs_root = 1
+vim.g.startify_custom_header = {}
+vim.g.startify_update_oldfiles = 1
+vim.g.startify_session_persistence = 1
+vim.g.startify_session_autoload = 1
+vim.g.startify_enable_special = 0
+-- vim.g.startify_session_before_save = { 'NvimTreeClose' }
 vim.g.startify_bookmarks = {
   { bz = '~/.zshrc' },
   { bg = '~/.gitconfig' },
@@ -34,13 +74,7 @@ vim.g.startify_bookmarks = {
   { bt = '~/.tmux.conf' },
   '~/.taskrc',
 }
-vim.g.startify_show_help = 1
-vim.g.startify_show_help_delay = 1
-vim.g.startify_show_help_delay_interval = 0.1
-vim.g.startify_change_to_dir = 0
-vim.g.change_to_vcs_root = 1
-vim.g.startify_custom_header = {}
--- sessions wrapper 를 만들기 귀찮아서 처리
+-- session list wrapper 를 만들기 귀찮아서 처리
 vim.g.startify_custom_indices = {
   'c.',
   'cn',
@@ -52,22 +86,23 @@ vim.g.startify_custom_indices = {
   'pz',
   'wp',
   'ww',
-  'll',
+}
+vim.g.switch_privous_session = switch_privous_session
+vim.g.startify_commands = {
+  { ll = { "previous session", "= vim.g.switch_privous_session()" }, },
 }
 vim.g.startify_lists = {
+    { type = 'commands', header = { '   Commands' } },
     { type = 'sessions', header = { '   Sessions' } },
     { type = get_git_files, header = { '   💻 Git files' } },
     { type = 'files', header = { '   🕘 Recent ' } },
     { type = 'dir', header = { '   📂 Current directory ' .. vim.fn.getcwd() } },
-    { type = 'commands', header = { '   Commands' } },
     { type = 'bookmarks', header = { '   Bookmarks' } },
 }
 
-vim.api.nvim_create_autocmd("VimLeavePre", {
+vim.api.nvim_create_autocmd("SessionLoadPost", {
   group = vim.api.nvim_create_augroup("StartifyAutoSaveSession", { clear = true }),
-  callback = function()
-    vim.cmd("SSave! _latest")
-  end,
+  callback = create_previous_session_link,
 })
 vim.cmd [[
 function! GetUniqueSessionName()