feat(history)!: use history plugin instead of shada

can not fix https://github.com/neovim/neovim/issues/6875

always get error when open two nvim instances

autoload/SpaceVim/autocmds.vim

@@ -34,10 +34,7 @@ function! SpaceVim#autocmds#init() abort
       autocmd BufEnter,WinEnter,InsertLeave * setl cursorcolumn
       autocmd BufLeave,WinLeave,InsertEnter * setl nocursorcolumn
     endif
-    autocmd BufReadPost *
-          \ if line("'\"") > 0 && line("'\"") <= line("$") |
-          \   exe "normal! g`\"" |
-          \ endif
+    autocmd BufLeave * call SpaceVim#plugins#history#savepos()
     autocmd BufNewFile,BufEnter * set cpoptions+=d " NOTE: ctags find the tags file from the current path instead of the path of currect file
     autocmd BufWinLeave * let b:_winview = winsaveview()
     autocmd BufWinEnter * if(exists('b:_winview')) | call winrestview(b:_winview) | endif
@@ -66,7 +63,12 @@ function! SpaceVim#autocmds#init() abort
     autocmd SessionLoadPost * let g:_spacevim_session_loaded = 1
     autocmd VimLeavePre * call SpaceVim#plugins#manager#terminal()
     if has('nvim')
-      autocmd CursorHold,FocusGained,FocusLost * rshada|wshada
+      autocmd VimEnter,FocusGained * call SpaceVim#plugins#history#readcache()
+      autocmd FocusLost,VimLeave * call SpaceVim#plugins#history#writecache()
+      autocmd BufReadPost *
+            \ if line("'\"") > 0 && line("'\"") <= line("$") |
+            \   call SpaceVim#plugins#history#jumppos() |
+            \ endif
     endif
   augroup END
 endfunction
@@ -89,7 +91,7 @@ function! s:reload_touchpad_status() abort
   if s:touchpadoff
     call s:disable_touchpad()
   endif
-endf
+endfunction
 function! s:disable_touchpad() abort
   let s:touchpadoff = 1
   call system('synclient touchpadoff=1')

autoload/SpaceVim/layers/core.vim

@@ -319,7 +319,9 @@ function! SpaceVim#layers#core#config() abort
     " TODO: fix all these command
     call SpaceVim#mapping#space#def('nnoremap', ['f', 't'], 'Defx', 'toggle-file-tree', 1)
     call SpaceVim#mapping#space#def('nnoremap', ['f', 'T'], 'Defx -no-toggle', 'show-file-tree', 1)
-    call SpaceVim#mapping#space#def('nnoremap', ['f', 'o'], "Defx  -no-toggle -search=`expand('%:p')` `stridx(expand('%:p'), getcwd()) < 0? expand('%:p:h'): getcwd()`", 'open-file-tree', 1)
+    call SpaceVim#mapping#space#def('nnoremap', ['f', 'o'], 'call call('
+          \ . string(s:_function('s:defx_find_current_file')) . ', [])',
+          \ 'open-file-tree', 1)
     call SpaceVim#mapping#space#def('nnoremap', ['b', 't'], 'exe "Defx -no-toggle " . fnameescape(expand("%:p:h"))', 'show-file-tree-at-buffer-dir', 1)
   elseif g:spacevim_filemanager ==# 'nvim-tree'
     call SpaceVim#mapping#space#def('nnoremap', ['f', 't'], 'NvimTreeToggle', 'toggle-file-tree', 1)
@@ -1067,6 +1069,21 @@ function! SpaceVim#layers#core#set_variable(var) abort
         \ 0)
 endfunction
 
+function! s:defx_find_current_file() abort
+    let current_file = s:FILE.unify_path(expand('%'), ':p')
+    let current_dir  = s:FILE.unify_path(getcwd())
+
+    let command = "Defx  -no-toggle -search=`expand('%:p')` "
+    if stridx(current_file, current_dir) < 0
+      let command .= expand('%:p:h')
+    else
+      let command .= getcwd()
+    endif
+
+    call execute(command)
+  
+endfunction
+
 function! SpaceVim#layers#core#get_options() abort
 
   return [

autoload/SpaceVim/layers/ui.vim

@@ -97,6 +97,7 @@ function! SpaceVim#layers#ui#plugins() abort
           \ 'EnableWhitespace'
           \ ]}],
           \ ]
+  call add(plugins, [g:_spacevim_root_dir . 'bundle/neomru.vim', {'merged' : 0}])
   if (has('nvim-0.5.0') && s:NVIM_VERSION.is_release_version())
         \ || has('nvim-0.6.0')
     call add(plugins, [g:_spacevim_root_dir . 'bundle/indent-blankline.nvim',

autoload/SpaceVim/plugins/history.vim

@@ -0,0 +1,62 @@
+"=============================================================================
+" history.vim --- history manager
+" Copyright (c) 2016-2019 Wang Shidong & Contributors
+" Author: Wang Shidong < wsdjeg@outlook.com >
+" URL: https://spacevim.org
+" License: GPLv3
+"=============================================================================
+
+let s:FILE = SpaceVim#api#import('file')
+let s:JSON = SpaceVim#api#import('data#json')
+let s:LOG = SpaceVim#logger#derive('history')
+let s:history_cache_path = s:FILE.unify_path(g:spacevim_data_dir, ':p') . 'SpaceVim/nvim_history.json'
+let s:filepos = {}
+
+function! SpaceVim#plugins#history#readcache() abort
+  call s:read_cache()
+endfunction
+function! SpaceVim#plugins#history#writecache() abort
+  call s:write_cache()
+endfunction
+
+function! SpaceVim#plugins#history#jumppos() abort
+  let [l, c] = get(s:filepos, expand('%:p'), [0, 0])
+  if l != 0 && c != 0
+    call cursor(l, c)
+  endif
+endfunction
+
+function! SpaceVim#plugins#history#savepos() abort
+  call s:LOG.debug('save pos for:' . bufname())
+  let [_, l, c, _] = getpos('.')
+  call s:LOG.debug(printf('line %d, col %d', l, c))
+  if l != 0 && c != 0 && filereadable(bufname())
+    let s:filepos[expand('%:p')] = [l, c]
+  endif
+endfunction
+
+
+
+function! s:read_cache() abort
+  if filereadable(s:history_cache_path)
+    let his = s:JSON.json_decode(join(readfile(s:history_cache_path, ''), ''))
+    if type(his) ==# type({})
+      call map(deepcopy(his.commands), 'histadd("cmd", v:val)')
+      let s:filepos = get(his, 'filepos', {})
+    endif
+  endif
+endfunction
+
+function! s:write_cache() abort
+  let his = { 'commands' : [], 'filepos' : s:filepos}
+  for i in range(1, 100)
+    let cmd = histget('cmd', 0 - i)
+    if empty(cmd)
+      break
+    endif
+    call add(his.commands, histget('cmd', i))
+  endfor
+  call writefile([s:JSON.json_encode(his)], s:history_cache_path)
+endfunction
+
+

bundle/vim-startify/autoload/startify.vim

@@ -7,6 +7,9 @@
 if exists('g:autoloaded_startify') || &compatible
   finish
 endif
+
+let s:FILE = SpaceVim#api#import('file')
+
 let g:autoloaded_startify = 1
 
 " Function: #get_lastline {{{1
@@ -113,10 +116,6 @@ function! startify#insane_in_the_membrane(on_vimenter) abort
     let l:show_session = 1
   endif
 
-  if empty(v:oldfiles)
-    call s:warn("Can't read viminfo file. Read :help startify-faq-02")
-  endif
-
   let b:startify.section_header_lines = []
 
   let lists = s:get_lists()
@@ -588,7 +587,7 @@ function! s:filter_oldfiles(path_prefix, path_format, use_env) abort
   let entries     = {}
   let oldfiles    = []
 
-  for fname in v:oldfiles
+  for fname in neomru#_gather_file_candidates()
     if counter <= 0
       break
     endif
@@ -599,7 +598,7 @@ function! s:filter_oldfiles(path_prefix, path_format, use_env) abort
     endif
 
     try
-      let absolute_path = fnamemodify(resolve(fname), ":p")
+      let absolute_path = s:FILE.unify_path(resolve(fname), ":p")
     catch /E655/  " Too many symbolic links (cycle?)
       call s:warn('Symlink loop detected! Skipping: '. fname)
       continue
@@ -617,7 +616,7 @@ function! s:filter_oldfiles(path_prefix, path_format, use_env) abort
       let entry_path = s:transform(absolute_path)
     endif
     if empty(entry_path)
-      let entry_path = fnamemodify(absolute_path, a:path_format)
+      let entry_path = s:FILE.unify_path(absolute_path, a:path_format)
     endif
 
     let entries[absolute_path]  = 1
@@ -649,7 +648,7 @@ function! s:filter_oldfiles_unsafe(path_prefix, path_format, use_env) abort
   let oldfiles    = []
   let is_dir      = escape(s:sep, '\') . '$'
 
-  for fname in v:oldfiles
+  for fname in neomru#_gather_file_candidates()
     if counter <= 0
       break
     endif
@@ -679,7 +678,7 @@ endfunction
 
 " Function: s:show_dir {{{1
 function! s:show_dir() abort
-  return s:display_by_path(getcwd() . s:sep, ':.', 0)
+  return s:display_by_path(s:FILE.unify_path(getcwd()), ':.', 0)
 endfunction
 
 " Function: s:show_files {{{1

bundle/vim-startify/syntax/startify.vim

@@ -8,7 +8,7 @@ if exists("b:current_syntax")
   finish
 endif
 
-let s:sep = startify#get_separator()
+let s:sep = '/'
 let s:padding_left = repeat(' ', get(g:, 'startify_padding_left', 3))
 
 syntax sync fromstart

docs/bundle-plugins.md

@@ -12,6 +12,7 @@ In `bundle/` directory, there are two kinds of plugins: forked plugins without c
 - [Changed plugin:](#changed-plugin)
   - [`core` layer](#core-layer)
   - [`edit` layer](#edit-layer)
+  - [`ui` layer](#ui-layer)
 - [No changed plugins](#no-changed-plugins)
   - [`core` layer](#core-layer-1)
 - [`lsp` layer](#lsp-layer)
@@ -20,7 +21,6 @@ In `bundle/` directory, there are two kinds of plugins: forked plugins without c
   - [`lang#liquid` layer](#langliquid-layer)
   - [`lang#go` layer](#langgo-layer)
   - [`tmux` layer](#tmux-layer)
-  - [`ui` layer](#ui-layer)
   - [`incsearch` layer](#incsearch-layer)
   - [`lang#java` layer](#langjava-layer)
   - [`lang#plantuml` layer](#langplantuml-layer)
@@ -52,6 +52,9 @@ These plugins are changed based on a specific version of origin plugin.
 
 - `vim-grammarous`: based on [`rhysd/vim-grammarous@db46357`](https://github.com/rhysd/vim-grammarous/tree/db46357465ce587d5325e816235b5e92415f8c05)
 
+#### `ui` layer
+
+- `vim-startify`: based on [`mhinz/vim-startify@4e089dffd`](https://github.com/mhinz/vim-startify/tree/4e089dffdad46f3f5593f34362d530e8fe823dcf)
 
 ### No changed plugins
 
@@ -106,9 +109,6 @@ These plugins are changed based on a specific version of origin plugin.
 
 - [christoomey/vim-tmux-navigator@9ca5bfe5b](https://github.com/christoomey/vim-tmux-navigator/tree/9ca5bfe5bd274051b5dd796cc150348afc993b80)
 
-#### `ui` layer
-
-- [`mhinz/vim-startify@81e36c35`](https://github.com/mhinz/vim-startify/tree/81e36c352a8deea54df5ec1e2f4348685569bed2)
 
 #### `incsearch` layer
 

lua/spacevim/default.lua

@@ -28,6 +28,8 @@ function M.options()
 
   vim.o.showcmd = false
 
+  vim.o.shada = ''
+
   vim.o.autoindent = true
 
   vim.o.linebreak = true