perf: disable most autocmds when saving/loading a session

lua/resession/init.lua

@@ -157,6 +157,8 @@ local function save(name, opts, target_tabpage)
   local util = require("resession.util")
   local filename = util.get_session_file(name, opts.dir)
   dispatch("pre_save", name, opts, target_tabpage)
+  local eventignore = vim.o.eventignore
+  vim.o.eventignore = "all"
   local data = {
     buffers = {},
     tabs = {},
@@ -227,6 +229,7 @@ local function save(name, opts, target_tabpage)
       dir = opts.dir,
     }
   end
+  vim.o.eventignore = eventignore
   dispatch("post_save", name, opts, target_tabpage)
 end
 
@@ -422,6 +425,8 @@ M.load = function(name, opts)
   else
     open_clean_tab()
   end
+  local eventignore = vim.o.eventignore
+  vim.o.eventignore = "all"
   if not data.tab_scoped then
     -- Set the options immediately
     util.restore_global_options(data.global.options)
@@ -504,6 +509,7 @@ M.load = function(name, opts)
       dir = opts.dir,
     }
   end
+  vim.o.eventignore = eventignore
   _is_loading = false
   dispatch("post_load", name, opts)
 end

lua/resession/layout.lua

@@ -121,7 +121,10 @@ local function set_winlayout_data(layout, scale_factor, visit_data)
     if win.extension then
       local ext = util.get_extension(win.extension)
       if ext then
+        -- Re-enable autocmds so if the extensions rely on BufReadCmd it works
+        vim.o.eventignore = ""
         local ok, new_winid = pcall(ext.load_win, win.winid, win.extension_data)
+        vim.o.eventignore = "all"
         if ok then
           win.winid = new_winid or win.winid
         else
@@ -135,7 +138,9 @@ local function set_winlayout_data(layout, scale_factor, visit_data)
       local bufnr = vim.fn.bufadd(win.bufname)
       vim.api.nvim_win_set_buf(win.winid, bufnr)
       -- After setting the buffer into the window, manually set the filetype to trigger syntax highlighting
+      vim.o.eventignore = ""
       vim.api.nvim_buf_set_option(bufnr, "filetype", vim.api.nvim_buf_get_option(bufnr, "filetype"))
+      vim.o.eventignore = "all"
     end
     pcall(vim.api.nvim_win_set_cursor, win.winid, win.cursor)
     util.restore_win_options(win.winid, win.options)