---Grouping autocmds is a good practice.---And we will be able to disable caching this waylocalgroup=vim.api.nvim_create_augroup("uLastFile", {clear=false })---Cache locationlocalstate=vim.fn.stdpath("state").."/lastfile/"---Hashing function, since we want OS-friendly filenameslocalfunctionhash()returnstate..vim.fn.sha256(vim.fn.getcwd())..".data"end---Restore last filevim.api.nvim_create_autocmd("VimEnter", {group=group,once=true,callback=function(env)---Ignore temporary, util filesifvim.bo[env.buf].buftype==""andvim.bo[env.buf].filetype==""andvim.api.nvim_buf_get_name(env.buf)==""andvim.api.nvim_buf_line_count(env.buf)==1thenlocalpath=hash()---Check if cache exists for this directory---"1" means file exists. I always second-guess it,---since "1" is also a shell error return codeifvim.fn.filereadable(path)==1thenlocalfile=vim.fn.readfile(path)localfilename=file[1]---Check if cached file still existsifvim.fn.filereadable(filename)==1thenlocalcurpos= {file[2],file[3] }---Schedule it after Neovim is fully loaded.---Wrap in pcalls, not to break occasional---swap file notifications and their restorationvim.schedule(function()-- open filepcall(vim.cmd,"e"..filename)-- restore cursor positionpcall(vim.fn.cursor,curpos)-- center cursor line in viewpcall(vim.cmd,"normal! zz")end)endreturnend---[[ Optional ]]---What's cool about custom plugins is that you can make things like---open the main Rust file if I didn't work on this repo before.path=vim.fn.getcwd().."/src/"ifvim.fn.filereadable(path.."main.rs")==1thenvim.schedule(function()vim.cmd("e"..path.."main.rs")end)elseifvim.fn.filereadable(path.."lib.rs")==1thenvim.schedule(function()vim.cmd("e"..path.."lib.rs")end)endendend,})vim.api.nvim_create_autocmd("BufWinLeave", {group=group,callback=function(env)localfiletype=vim.bo[env.buf].filetypelocalbufname=vim.api.nvim_buf_get_name(env.buf)localbuftype=vim.bo[env.buf].buftypelocalcwd=vim.fn.getcwd()---Ignore temp files, ignore $HOME directoryifbufname~=""andbuftype==""andfiletype~="gitcommit"andcwd~=vim.fn.getenv("HOME")then---Make cache directory if it doesn't existifvim.fn.isdirectory(state)==0thenvim.fn.mkdir(state,"p")endlocalpath=hash()localcurpos=vim.fn.getcurpos()localtbl= {bufname,curpos[2],curpos[3] }vim.fn.writefile(tbl,path)endend,})---Disable caching for this sessionvim.keymap.set("n","<Leader>ze",function()vim.api.nvim_del_augroup_by_id(group)vim.fn.delete(hash())vim.notify("LastFile is off")end, {desc="Purge : LastFile"})---Purge cache for all directoriesvim.keymap.set("n","<Leader>zo",function()vim.fn.delete(state,"rf")vim.notify("Purged LastFile cache")end, {desc="Purge : LastFile All"})