fix: cmp-omni messes with the lsp completion

If we use cmp-omni and lsp together, it seems that it will mess the
autocompletion. So we only use it with tex file, where lsp in not used.

README.md

@@ -9,24 +9,27 @@
     <a>
       <img alt="Windows" src="https://img.shields.io/badge/Windows-%23.svg?style=flat-square&logo=windows&color=0078D6&logoColor=white" />
     </a>
-    <a href="https://github.com/jdhao/nvim-config/commits">
-      <img src="https://badgen.net/github/commits/jdhao/nvim-config" alt="Commit number" />
-    </a>
-    <a href="https://github.com/jdhao/nvim-config/network">
-      <img alt="Forks" src="https://badgen.net/github/forks/jdhao/nvim-config">
-    </a>
-    <a href="https://github.com/jdhao/nvim-config/stargazers">
-      <img alt="Stars" src="https://badgen.net/github/stars/jdhao/nvim-config">
-    </a>
     <a href="https://github.com/jdhao/nvim-config/releases/latest">
       <img alt="Latest release" src="https://img.shields.io/github/v/release/jdhao/nvim-config" />
     </a>
     <a href="https://github.com/neovim/neovim/releases/tag/stable">
-      <img src="https://img.shields.io/badge/Neovim-0.7.2-blueviolet.svg?style=flat-square&logo=Neovim&logoColor=green" alt="Neovim minimum version"/>
+      <img src="https://img.shields.io/badge/Neovim-0.8.1-blueviolet.svg?style=flat-square&logo=Neovim&logoColor=green" alt="Neovim minimum version"/>
     </a>
     <a href="https://github.com/jdhao/nvim-config/search?l=vim-script">
       <img src="https://img.shields.io/github/languages/top/jdhao/nvim-config" alt="Top languages"/>
     </a>
+    <a href="https://github.com/jdhao/nvim-config/graphs/commit-activity">
+      <img src="https://img.shields.io/github/commit-activity/m/jdhao/nvim-config?style=flat-square" />
+    </a>
+    <a href="https://github.com/jdhao/nvim-config/releases/tag/v0.8.1">
+      <img src="https://img.shields.io/github/commits-since/jdhao/nvim-config/v0.8.1?style=flat-square" />
+    </a>
+    <a href="https://github.com/jdhao/nvim-config/graphs/contributors">
+      <img src="https://img.shields.io/github/contributors/jdhao/nvim-config?style=flat-square" />
+    </a>
+    <a>
+      <img src="https://img.shields.io/github/repo-size/jdhao/nvim-config?style=flat-square" />
+    </a>
     <a href="https://github.com/jdhao/nvim-config/blob/master/LICENSE">
       <img src="https://img.shields.io/github/license/jdhao/nvim-config?style=flat-square&logo=GNU&label=License" alt="License"/>
     </a>
@@ -58,7 +61,7 @@ and how to set up on different platforms (Linux, macOS, and Windows).
 + Code, snippet, word auto-completion via [nvim-cmp](https://github.com/hrsh7th/nvim-cmp).
 + Language server protocol (LSP) support via [nvim-lspconfig](https://github.com/neovim/nvim-lspconfig).
 + Git integration via [vim-fugitive](https://github.com/tpope/vim-fugitive).
-+ Better escaping from insert mode via [better-escape.vim](https://github.com/jdhao/better-escape.vim).
++ Better escaping from insert mode via [better-escape.vim](https://github.com/nvim-zh/better-escape.vim).
 + Ultra-fast project-wide fuzzy searching via [LeaderF](https://github.com/Yggdroot/LeaderF).
 + Faster code commenting via [vim-commentary](https://github.com/tpope/vim-commentary).
 + Faster matching pair insertion and jump via [delimitMate](https://github.com/Raimondi/delimitMate).
@@ -75,10 +78,9 @@ and how to set up on different platforms (Linux, macOS, and Windows).
 + Code highlighting via [nvim-treesitter](https://github.com/nvim-treesitter/nvim-treesitter).
 + Code editing using true nvim inside browser via [firenvim](https://github.com/glacambre/firenvim).
 + Beautiful colorscheme via [sainnhe/gruvbox-material](https://github.com/sainnhe/gruvbox-material) and other colorschemes.
-+ Markdown writing and previewing via [vim-markdown](https://github.com/plasticboy/vim-markdown) and [markdown-preview.nvim](https://github.com/iamcco/markdown-preview.nvim).
++ Markdown writing and previewing via [vim-markdown](https://github.com/preservim/vim-markdown) and [markdown-preview.nvim](https://github.com/iamcco/markdown-preview.nvim).
-+ LaTeX editing and previewing via [vimtex](https://github.com/lervag/vimtex) <sup id="a1">[1](#f1)</sup>.
++ LaTeX editing and previewing via [vimtex](https://github.com/lervag/vimtex)
 + Animated GUI style notification via [nvim-notify](https://github.com/rcarriga/nvim-notify).
-+ Smooth scroll experience via [neoscroll](https://github.com/karb94/neoscroll.nvim).
 + Tags navigation via [vista](https://github.com/liuchengxu/vista.vim).
 + Code formatting via [Neoformat](https://github.com/sbdchd/neoformat).
 + Undo management via [vim-mundo](https://github.com/simnalamburt/vim-mundo)
@@ -167,6 +169,8 @@ Some of the shortcuts I use frequently are listed here. In the following shortcu
 | `<leader>gc`      | Normal        | Linux/macOS/Win | Run git commit                                                           |
 | `<leader>gpl`     | Normal        | Linux/macOS/Win | Run git pull                                                             |
 | `<leader>gpu`     | Normal        | Linux/macOS/Win | Run git push                                                             |
+| `<leader>gl`      | Normal/Visual | Linux/macOS/Win | Get perm link for current/visually-select lines
+| `<leader>gb`      | Normal        | macOS           | Browse current git repo in browser
 | `<F9>`            | Normal        | Linux/macOS/Win | Compile&run current source file (for C++, LaTeX, Lua, Python)            |
 | `<F11>`           | Normal        | Linux/macOS/Win | Toggle spell checking                                                    |
 | `<F12>`           | Normal        | Linux/macOS/Win | Toggle paste mode                                                        |
@@ -212,5 +216,3 @@ You may also be interested in my posts on configuring Nvim:
 + [Config nvim on Linux for Python development](https://jdhao.github.io/2018/12/24/centos_nvim_install_use_guide_en/)
 + [Nvim config on Windows 10](https://jdhao.github.io/2018/11/15/neovim_configuration_windows/)
 + [Nvim-qt config on Windows 10](https://jdhao.github.io/2019/01/17/nvim_qt_settings_on_windows/)
-
-<b id="f1">1:</b> Not enabled for Linux, you need to tweak [`lua/plugins.lua`](lua/plugins.lua) and change the condition for installing vimtex.[↩](#a1)

after/ftplugin/cpp.vim

@@ -1,10 +1,5 @@
 set commentstring=//\ %s
 
-set tabstop=2       " number of visual spaces per TAB
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces
-
 " Disable inserting comment leader after hitting o or O or <Enter>
 set formatoptions-=o
 set formatoptions-=r

after/ftplugin/gitconfig.vim

@@ -0,0 +1 @@
+set commentstring=#\ %s

after/ftplugin/javascript.vim

@@ -1,8 +1,3 @@
 " Disable inserting comment leader after hitting o or O or <Enter>
 set formatoptions-=o
 set formatoptions-=r
-
-set tabstop=2       " number of visual spaces per TAB
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces

after/ftplugin/lua.vim

@@ -2,12 +2,7 @@
 set formatoptions-=o
 set formatoptions-=r
 
-set tabstop=2       " number of visual spaces per TAB
+nnoremap <buffer><silent> <F9> :luafile %<CR>
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces
-
-nnoremap <silent> <F9> :luafile %<CR>
 
 " For delimitMate
 let b:delimitMate_matchpairs = "(:),[:],{:}"

after/ftplugin/python.vim

@@ -8,5 +8,10 @@ set sidescroll=5
 set sidescrolloff=2
 set colorcolumn=100
 
+set tabstop=4       " number of visual spaces per TAB
+set softtabstop=4   " number of spaces in tab when editing
+set shiftwidth=4    " number of spaces to use for autoindent
+set expandtab       " expand tab to spaces so that tabs are spaces
+
 " For delimitMate
 let b:delimitMate_matchpairs = "(:),[:],{:}"

after/ftplugin/sql.vim

@@ -0,0 +1 @@
+set commentstring=--\ %s

after/ftplugin/toml.vim

@@ -1,4 +0,0 @@
-set tabstop=2       " number of visual spaces per TAB
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces

after/ftplugin/vim.vim

@@ -12,9 +12,4 @@ set foldmethod=expr foldexpr=utils#VimFolds(v:lnum) foldtext=utils#MyFoldText()
 " see `:h K` and https://stackoverflow.com/q/15867323/6064933
 set keywordprg=:help
 
-set tabstop=2       " number of visual spaces per TAB
+nnoremap <buffer><silent> <F9> :source %<CR>
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces
-
-nnoremap <silent> <F9> :source %<CR>

after/ftplugin/yaml.vim

@@ -1,8 +1,3 @@
-set tabstop=2       " number of visual spaces per TAB
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces
-
 " Turn off syntax highlighting for large YAML files.
 if line('$') > 500
   setlocal syntax=OFF

core/colorschemes.lua

@@ -7,17 +7,19 @@ local M = {}
 -- Colorscheme to its directory name mapping, because colorscheme repo name is not necessarily
 -- the same as the colorscheme name itself.
 M.colorscheme2dir = {
-  gruvbox8 = "vim-gruvbox8",
   onedark = "onedark.nvim",
   edge = "edge",
   sonokai = "sonokai",
   gruvbox_material = "gruvbox-material",
   nord = "nord.nvim",
-  doom_one = "doom-one.nvim",
   everforest = "everforest",
   nightfox = "nightfox.nvim",
   kanagawa = "kanagawa.nvim",
   catppuccin = "catppuccin",
+  rose_pine = "rose-pine",
+  onedarkpro = "onedarkpro.nvim",
+  monokai = "monokai.nvim",
+  material = "material.nvim",
 }
 
 M.gruvbox8 = function()
@@ -50,6 +52,10 @@ M.sonokai = function()
 end
 
 M.gruvbox_material = function()
+  -- foreground option can be material, mix, or original
+  vim.g.gruvbox_material_foreground = "material"
+  --background option can be hard, medium, soft
+  vim.g.gruvbox_material_background = "soft"
   vim.g.gruvbox_material_enable_italic = 1
   vim.g.gruvbox_material_better_performance = 1
 
@@ -88,6 +94,34 @@ M.catppuccin = function()
   vim.cmd([[colorscheme catppuccin]])
 end
 
+M.rose_pine = function()
+  require('rose-pine').setup({
+    --- @usage 'main' | 'moon'
+    dark_variant = 'moon',
+  })
+
+  -- set colorscheme after options
+  vim.cmd('colorscheme rose-pine')
+end
+
+M.onedarkpro = function()
+  require("onedarkpro").setup({
+    dark_theme = "onedark", -- The default dark theme
+  })
+
+  -- set colorscheme after options
+  vim.cmd('colorscheme onedarkpro')
+end
+
+M.monokai = function()
+  vim.cmd('colorscheme monokai_pro')
+end
+
+M.material = function ()
+  vim.g.material_style = "oceanic"
+  vim.cmd('colorscheme material')
+end
+
 --- Use a random colorscheme from the pre-defined list of colorschemes.
 M.rand_colorscheme = function()
   local colorscheme = utils.rand_element(vim.tbl_keys(M.colorscheme2dir))

core/globals.lua

@@ -0,0 +1,75 @@
+local fn = vim.fn
+local api = vim.api
+
+local utils = require('utils')
+
+-- Inspect something
+function _G.inspect(item)
+  vim.pretty_print(item)
+end
+
+------------------------------------------------------------------------
+--                          custom variables                          --
+------------------------------------------------------------------------
+vim.g.is_win = (utils.has("win32") or utils.has("win64")) and true or false
+vim.g.is_linux = (utils.has("unix") and (not utils.has("macunix"))) and true or false
+vim.g.is_mac  = utils.has("macunix") and true or false
+
+vim.g.logging_level = "info"
+
+------------------------------------------------------------------------
+--                         builtin variables                          --
+------------------------------------------------------------------------
+vim.g.loaded_perl_provider = 0  -- Disable perl provider
+vim.g.loaded_ruby_provider = 0  -- Disable ruby provider
+vim.g.loaded_node_provider = 0  -- Disable node provider
+vim.g.did_install_default_menus = 1  -- do not load menu
+
+if utils.executable('python3') then
+  if vim.g.is_win then
+    vim.g.python3_host_prog = fn.substitute(fn.exepath("python3"), ".exe$", '', 'g')
+  else
+    vim.g.python3_host_prog = fn.exepath("python3")
+  end
+else
+  api.nvim_err_writeln("Python3 executable not found! You must install Python3 and set its PATH correctly!")
+  return
+end
+
+-- Custom mapping <leader> (see `:h mapleader` for more info)
+vim.g.mapleader = ','
+
+-- Enable highlighting for lua HERE doc inside vim script
+vim.g.vimsyn_embed = 'l'
+
+-- Use English as main language
+vim.cmd [[language en_US.UTF-8]]
+
+-- Disable loading certain plugins
+
+-- Whether to load netrw by default, see https://github.com/bling/dotvim/issues/4
+vim.g.loaded_netrw       = 1
+vim.g.loaded_netrwPlugin = 1
+vim.g.netrw_liststyle = 3
+if vim.g.is_win then
+  vim.g.netrw_http_cmd = "curl --ssl-no-revoke -Lo"
+end
+
+-- Do not load tohtml.vim
+vim.g.loaded_2html_plugin = 1
+
+-- Do not load zipPlugin.vim, gzip.vim and tarPlugin.vim (all these plugins are
+-- related to checking files inside compressed files)
+vim.g.loaded_zipPlugin = 1
+vim.g.loaded_gzip = 1
+vim.g.loaded_tarPlugin = 1
+
+-- Do not load the tutor plugin
+vim.g.loaded_tutor_mode_plugin = 1
+
+-- Do not use builtin matchit.vim and matchparen.vim since we use vim-matchup
+vim.g.loaded_matchit = 1
+vim.g.loaded_matchparen = 1
+
+-- Disable sql omni completion, it is broken.
+vim.g.loaded_sql_completion = 1

core/globals.vim

@@ -1,77 +0,0 @@
-"{ Global Variable
-"{{ Custom variables
-let g:is_win = (has('win32') || has('win64')) ? v:true : v:false
-let g:is_linux = (has('unix') && !has('macunix')) ? v:true : v:false
-let g:is_mac = has('macunix') ? v:true : v:false
-let g:logging_level = 'info'
-"}}
-
-"{{ Builtin variables
-" Disable perl provider
-let g:loaded_perl_provider = 0
-
-" Disable ruby provider
-let g:loaded_ruby_provider = 0
-
-" Disable node provider
-let g:loaded_node_provider = 0
-
-let g:did_install_default_menus = 1  " do not load menu
-
-" Path to Python 3 interpreter (must be an absolute path), make startup
-" faster. See https://neovim.io/doc/user/provider.html.
-if executable('python')
-   if g:is_win
-    let g:python3_host_prog=substitute(exepath('python'), '.exe$', '', 'g')
-  elseif g:is_linux || g:is_mac
-    let g:python3_host_prog=exepath('python')
-  endif
-else
-  echoerr 'Python 3 executable not found! You must install Python 3 and set its PATH correctly!'
-endif
-
-" Custom mapping <leader> (see `:h mapleader` for more info)
-let g:mapleader = ','
-
-" Enable highlighting for lua HERE doc inside vim script
-let g:vimsyn_embed = 'l'
-
-" Use English as main language
-if !g:is_mac
-  language en_US.utf-8
-endif
-
-" use filetype.lua instead of filetype.vim
-let g:do_filetype_lua = 1
-let g:did_load_filetypes = 0
-"}}
-
-"{{ Disable loading certain plugins
-" Whether to load netrw by default, see
-" https://github.com/bling/dotvim/issues/4
-let g:loaded_netrw       = 1
-let g:loaded_netrwPlugin = 1
-let g:netrw_liststyle = 3
-if g:is_win
-  let g:netrw_http_cmd = 'curl --ssl-no-revoke -Lo'
-endif
-
-" Do not load tohtml.vim
-let g:loaded_2html_plugin = 1
-
-" Do not load zipPlugin.vim, gzip.vim and tarPlugin.vim (all these plugins are
-" related to checking files inside compressed files)
-let g:loaded_zipPlugin = 1
-let loaded_gzip = 1
-let g:loaded_tarPlugin = 1
-
-let g:loaded_tutor_mode_plugin = 1  " do not load the tutor plugin
-
-" Do not use builtin matchit.vim and matchparen.vim since we use vim-matchup
-let g:loaded_matchit = 1
-let g:loaded_matchparen = 1
-"}}
-
-" Disable sql omni completion, it is broken.
-let g:loaded_sql_completion = 1
-"}

core/mappings.lua

@@ -1,5 +1,6 @@
 local keymap = vim.keymap
 local api = vim.api
+local uv = vim.loop
 
 -- Save key strokes (now we do not need to press shift to enter command mode).
 keymap.set({ "n", "x" }, ";", ":")
@@ -8,7 +9,7 @@ keymap.set({ "n", "x" }, ";", ":")
 keymap.set("i", "<c-u>", "<Esc>viwUea")
 
 -- Turn the current word into title case
-keymap.set("i", "<c-u>", "<Esc>b~lea")
+keymap.set("i", "<c-t>", "<Esc>b~lea")
 
 -- Paste non-linewise text above or below current line, see https://stackoverflow.com/a/1346777/6064933
 keymap.set("n", "<leader>p", "m`o<ESC>p``", { desc = "paste below current line" })
@@ -85,16 +86,15 @@ keymap.set("n", "<leader>ev", "<cmd>tabnew $MYVIMRC <bar> tcd %:h<cr>", {
   desc = "open init.lua",
 })
 
-keymap.set("n", "<leader>sv", "", {
+keymap.set("n", "<leader>sv", function()
-  silent = true,
+  vim.cmd([[
-  desc = "reload init.lua",
-  callback = function()
-    vim.cmd([[
       update $MYVIMRC
       source $MYVIMRC
     ]])
-    vim.notify("Nvim config successfully reloaded!", vim.log.levels.INFO, { title = "nvim-config" })
+  vim.notify("Nvim config successfully reloaded!", vim.log.levels.INFO, { title = "nvim-config" })
-  end,
+end, {
+  silent = true,
+  desc = "reload init.lua",
 })
 
 -- Reselect the text that has just been pasted, see also https://stackoverflow.com/a/4317090/6064933.
@@ -173,25 +173,23 @@ keymap.set({ "x", "o" }, "iu", "<cmd>call text_obj#URL()<cr>", { desc = "URL tex
 keymap.set({ "x", "o" }, "iB", "<cmd>call text_obj#Buffer()<cr>", { desc = "buffer text object" })
 
 -- Do not move my cursor when joining lines.
-keymap.set("n", "J", "", {
+keymap.set("n", "J", function()
-  desc = "join line",
+  vim.cmd([[
-  callback = function()
-    vim.cmd([[
       normal! mzJ`z
       delmarks z
     ]])
-  end,
+end, {
+  desc = "join line",
 })
 
-keymap.set("n", "gJ", "mzgJ`z", {
+keymap.set("n", "gJ", function()
-  desc = "join visual lines",
+  -- we must use `normal!`, otherwise it will trigger recursive mapping
-  callback = function()
+  vim.cmd([[
-    -- we must use `normal!`, otherwise it will trigger recursive mapping
-    vim.cmd([[
       normal! zmgJ`z
       delmarks z
     ]])
-  end,
+end, {
+  desc = "join visual lines",
 })
 
 -- Break inserted text into smaller undo units when we insert some punctuation chars.
@@ -226,3 +224,22 @@ keymap.set("c", "<C-A>", "<HOME>")
 
 -- Delete the character to the right of the cursor
 keymap.set("i", "<C-D>", "<DEL>")
+
+keymap.set("n", "<leader>cb", function()
+  local cnt = 0
+  local blink_times = 7
+  local timer = uv.new_timer()
+
+  timer:start(0, 100, vim.schedule_wrap(function()
+    vim.cmd[[
+      set cursorcolumn!
+      set cursorline!
+    ]]
+
+    if cnt == blink_times then
+      timer:close()
+    end
+
+    cnt = cnt + 1
+  end))
+end)

core/options.vim

@@ -44,9 +44,9 @@ set backup  " create backup for files
 set backupcopy=yes  " copy the original file to backupdir and overwrite it
 
 " General tab settings
-set tabstop=4       " number of visual spaces per TAB
+set tabstop=2       " number of visual spaces per TAB
-set softtabstop=4   " number of spaces in tab when editing
+set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=4    " number of spaces to use for autoindent
+set shiftwidth=2    " number of spaces to use for autoindent
 set expandtab       " expand tab to spaces so that tabs are spaces
 
 " Set matching pairs of characters and highlight matching brackets
@@ -75,6 +75,7 @@ set scrolloff=3
 " Use mouse to select and resize windows, etc.
 set mouse=nic  " Enable mouse in several mode
 set mousemodel=popup  " Set the behaviour of mouse
+set mousescroll=ver:1,hor:6
 
 " Disable showing current mode on command line since statusline plugins can show it.
 set noshowmode
@@ -144,7 +145,7 @@ set formatoptions+=mM
 " Tilde (~) is an operator, thus must be followed by motions like `e` or `w`.
 set tildeop
 
-set synmaxcol=200  " Text after this column number is not highlighted
+set synmaxcol=250  " Text after this column number is not highlighted
 set nostartofline
 
 " External program to use for grep command
@@ -162,7 +163,7 @@ set termguicolors
 " https://github.com/neovim/neovim/wiki/FAQ#how-to-change-cursor-color-in-the-terminal
 set guicursor=n-v-c:block-Cursor/lCursor,i-ci-ve:ver25-Cursor2/lCursor2,r-cr:hor20,o:hor20
 
-set signcolumn=auto:2
+set signcolumn=yes:1
 
 " Remove certain character from file name pattern matching
 set isfname-==
@@ -177,3 +178,4 @@ set diffopt+=context:3  " context for diff
 set diffopt+=internal,indent-heuristic,algorithm:histogram
 
 set nowrap  " do no wrap
+set noruler

core/plugins.vim

@@ -182,14 +182,7 @@ let g:neoformat_c_clangformat = {
 let g:neoformat_enabled_cpp = ['clangformat']
 let g:neoformat_enabled_c = ['clangformat']
 
-"""""""""""""""""""""""""vim-signify settings""""""""""""""""""""""""""""""
+"""""""""""""""""""""""""vim-markdown settings"""""""""""""""""""
-" The VCS to use
-let g:signify_vcs_list = [ 'git' ]
-
-" Change the sign for certain operations
-let g:signify_sign_change = '~'
-
-"""""""""""""""""""""""""plasticboy/vim-markdown settings"""""""""""""""""""
 " Disable header folding
 let g:vim_markdown_folding_disabled = 1
 
@@ -250,7 +243,7 @@ nmap s <Nop>
 omap s <Nop>
 
 """"""""""""""""""""""""""""vimtex settings"""""""""""""""""""""""""""""
-if ( g:is_win || g:is_mac ) && executable('latex')
+if executable('latex')
   " Hacks for inverse search to work semi-automatically,
   " see https://jdhao.github.io/2021/02/20/inverse_search_setup_neovim_vimtex/.
   function! s:write_server_name() abort
@@ -311,11 +304,6 @@ if ( g:is_win || g:is_mac ) && executable('latex')
   endif
 endif
 
-""""""""""""""""""""""""""""vim-startify settings""""""""""""""""""""""""""""
-" Do not change working directory when opening files.
-let g:startify_change_to_dir = 0
-let g:startify_fortune_use_unicode = 1
-
 """"""""""""""""""""""""""""vim-matchup settings"""""""""""""""""""""""""""""
 " Improve performance
 let g:matchup_matchparen_deferred = 1
@@ -362,16 +350,20 @@ if exists('g:started_by_firenvim') && g:started_by_firenvim
       \ }
   \ }
 
-  function! s:setup_firenvim() abort
+  function s:setup_firenvim() abort
-    set noruler noshowcmd
+    set signcolumn=no
-    set laststatus=0 showtabline=0
+    set noruler
+    set noshowcmd
+    set laststatus=0
+    set showtabline=0
   endfunction
 
   augroup firenvim
     autocmd!
-    autocmd FileType text call s:setup_firenvim()
+    autocmd BufEnter * call s:setup_firenvim()
-    autocmd BufNewFile github.com_*.txt set filetype=markdown
+    autocmd BufEnter sqlzoo*.txt set filetype=sql
-    autocmd BufNewFile stackoverflow.com_*.txt set filetype=markdown
+    autocmd BufEnter github.com_*.txt set filetype=markdown
+    autocmd BufEnter stackoverflow.com_*.txt set filetype=markdown
   augroup END
 endif
 

docs/nvim_setup_linux.sh

@@ -68,7 +68,7 @@ fi
 
 # Install some Python packages used by Nvim plugins.
 echo "Installing Python packages"
-declare -a py_packages=("pynvim" 'python-lsp-server[all]' "black" "vim-vint" "pyls-isort" "pylsp-mypy")
+declare -a PY_PACKAGES=("pynvim" 'python-lsp-server[all]' "black" "vim-vint" "pyls-isort" "pylsp-mypy")
 
 if [[ "$SYSTEM_PYTHON" = true ]]; then
     echo "Using system Python to install $(PY_PACKAGES)"
@@ -76,12 +76,12 @@ if [[ "$SYSTEM_PYTHON" = true ]]; then
     # If we use system Python, we need to install these Python packages under
     # user HOME, since we do not have permissions to install them under system
     # directories.
-    for p in "${py_packages[@]}"; do
+    for p in "${PY_PACKAGES[@]}"; do
         pip install --user "$p"
     done
 else
     echo "Using custom Python to install $(PY_PACKAGES)"
-    for p in "${py_packages[@]}"; do
+    for p in "${PY_PACKAGES[@]}"; do
         "$CONDA_DIR/bin/pip" install "$p"
     done
 fi

init.lua

@@ -12,7 +12,7 @@ local api = vim.api
 local utils = require("utils")
 
 -- check if we have the latest stable version of nvim
-local expected_ver = "0.7.2"
+local expected_ver = "0.8.1"
 local nvim_ver = utils.get_nvim_version()
 
 if nvim_ver ~= expected_ver then
@@ -22,7 +22,7 @@ if nvim_ver ~= expected_ver then
 end
 
 local core_conf_files = {
-  "globals.vim", -- some global settings
+  "globals.lua", -- some global settings
   "options.vim", -- setting options in nvim
   "autocommands.vim", -- various autocommands
   "mappings.lua", -- all the user-defined mappings

lua/config/dashboard-nvim.lua

@@ -1,3 +1,5 @@
+local api = vim.api
+local keymap = vim.keymap
 local dashboard = require("dashboard")
 
 dashboard.custom_header = {
@@ -56,10 +58,11 @@ dashboard.custom_center = {
   },
 }
 
-vim.cmd([[
+api.nvim_create_autocmd("FileType", {
-  augroup dashboard_enter
+  pattern = "dashboard",
-    au!
+  group = api.nvim_create_augroup("dashboard_enter", { clear = true }),
-    autocmd FileType dashboard nnoremap <buffer> q :qa<CR>
+  callback = function ()
-    autocmd FileType dashboard nnoremap <buffer> e :enew<CR>
+    keymap.set("n", "q", ":qa<CR>", { buffer = true, silent = true })
-  augroup END
+    keymap.set("n", "e", ":enew<CR>", { buffer = true, silent = true })
-]])
+  end
+})

lua/config/fugitive.lua

@@ -6,3 +6,6 @@ keymap.set("n", "<leader>gc", "<cmd>Git commit<cr>", { desc = "Git commit" })
 keymap.set("n", "<leader>gd", "<cmd>Gdiffsplit<cr>", { desc = "Git diff" })
 keymap.set("n", "<leader>gpl", "<cmd>Git pull<cr>", { desc = "Git pull" })
 keymap.set("n", "<leader>gpu", "<cmd>15 split|term git push<cr>", { desc = "Git push" })
+
+-- convert git to Git in command line mode
+vim.fn['utils#Cabbrev']('git', 'Git')

lua/config/git-linker.lua

@@ -13,3 +13,13 @@ keymap.set({ "n", "v" }, "<leader>gl", "", {
     gitlinker.get_buf_range_url(mode)
   end,
 })
+
+keymap.set("n", "<leader>gb", "", {
+  silent = true,
+  desc = "browse repo in browser",
+  callback = function()
+    gitlinker.get_repo_url({
+      action_callback = gitlinker.actions.open_in_browser
+    })
+  end
+})

lua/config/gitsigns.lua

@@ -8,7 +8,7 @@ gs.setup {
     topdelete = { hl = "GitSignsDelete", text = "‾", numhl = "GitSignsDeleteNr", linehl = "GitSignsDeleteLn" },
     changedelete = { hl = "GitSignsChange", text = "│", numhl = "GitSignsChangeNr", linehl = "GitSignsChangeLn" },
   },
-  word_diff = true, -- Toggle with `:Gitsigns toggle_word_diff`
+  word_diff = true,
   on_attach = function(bufnr)
     local function map(mode, l, r, opts)
       opts = opts or {}
@@ -44,3 +44,14 @@ gs.setup {
     end)
   end,
 }
+
+vim.api.nvim_create_autocmd('ColorScheme', {
+  pattern = "*",
+  callback = function()
+    vim.cmd [[
+      hi GitSignsChangeInline gui=reverse
+      hi GitSignsAddInline gui=reverse
+      hi GitSignsDeleteInline gui=reverse
+    ]]
+  end
+})

lua/config/hlslens.lua

@@ -34,5 +34,15 @@ keymap.set("n", "N", "", {
   end,
 })
 
-keymap.set("n", "*", "<Plug>(asterisk-z*)<Cmd>lua require('hlslens').start()<CR>")
+keymap.set("n", "*", "", {
-keymap.set("n", "#", "<Plug>(asterisk-z#)<Cmd>lua require('hlslens').start()<CR>")
+  callback = function()
+    vim.fn.execute("normal! *N")
+    hlslens.start()
+  end,
+})
+keymap.set("n", "#", "", {
+  callback = function()
+    vim.fn.execute("normal! #N")
+    hlslens.start()
+  end,
+})

lua/config/lsp.lua

@@ -2,6 +2,7 @@ local fn = vim.fn
 local api = vim.api
 local keymap = vim.keymap
 local lsp = vim.lsp
+local diagnostic = vim.diagnostic
 
 local utils = require("utils")
 
@@ -20,11 +21,9 @@ local custom_attach = function(client, bufnr)
   map("n", "<C-k>", vim.lsp.buf.signature_help)
   map("n", "<space>rn", vim.lsp.buf.rename, { desc = "varialbe rename" })
   map("n", "gr", vim.lsp.buf.references, { desc = "show references" })
-  map("n", "[d", vim.diagnostic.goto_prev, { desc = "previous diagnostic" })
+  map("n", "[d", diagnostic.goto_prev, { desc = "previous diagnostic" })
-  map("n", "]d", vim.diagnostic.goto_next, { desc = "next diagnostic" })
+  map("n", "]d", diagnostic.goto_next, { desc = "next diagnostic" })
-  map("n", "<space>q", function()
+  map("n", "<space>q", diagnostic.setqflist, { desc = "put diagnostic to qf" })
-    vim.diagnostic.setqflist { open = true }
-  end, { desc = "put diagnostic to qf" })
   map("n", "<space>ca", vim.lsp.buf.code_action, { desc = "LSP code action" })
   map("n", "<space>wa", vim.lsp.buf.add_workspace_folder, { desc = "add workspace folder" })
   map("n", "<space>wr", vim.lsp.buf.remove_workspace_folder, { desc = "remove workspace folder" })
@@ -33,11 +32,8 @@ local custom_attach = function(client, bufnr)
   end, { desc = "list workspace folder" })
 
   -- Set some key bindings conditional on server capabilities
-  if client.resolved_capabilities.document_formatting then
+  if client.server_capabilities.documentFormattingProvider then
-    map("n", "<space>f", vim.lsp.buf.formatting_sync, { desc = "format code" })
+    map("n", "<space>f", vim.lsp.buf.format, { desc = "format code" })
-  end
-  if client.resolved_capabilities.document_range_formatting then
-    map("x", "<space>f", vim.lsp.buf.range_formatting, { desc = "range format" })
   end
 
   api.nvim_create_autocmd("CursorHold", {
@@ -56,11 +52,10 @@ local custom_attach = function(client, bufnr)
       end
 
       local cursor_pos = api.nvim_win_get_cursor(0)
-      if
+      if (cursor_pos[1] ~= vim.b.diagnostics_pos[1] or cursor_pos[2] ~= vim.b.diagnostics_pos[2])
-        (cursor_pos[1] ~= vim.b.diagnostics_pos[1] or cursor_pos[2] ~= vim.b.diagnostics_pos[2])
+          and #diagnostic.get() > 0
-        and #vim.diagnostic.get() > 0
       then
-        vim.diagnostic.open_float(nil, float_opts)
+        diagnostic.open_float(nil, float_opts)
       end
 
       vim.b.diagnostics_pos = cursor_pos
@@ -68,17 +63,29 @@ local custom_attach = function(client, bufnr)
   })
 
   -- The blow command will highlight the current variable and its usages in the buffer.
-  if client.resolved_capabilities.document_highlight then
+  if client.server_capabilities.documentHighlightProvider then
     vim.cmd([[
       hi! link LspReferenceRead Visual
       hi! link LspReferenceText Visual
       hi! link LspReferenceWrite Visual
-      augroup lsp_document_highlight
-        autocmd! * <buffer>
-        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
-        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
-      augroup END
     ]])
+
+    local gid = api.nvim_create_augroup("lsp_document_highlight", { clear = true })
+    api.nvim_create_autocmd("CursorHold" , {
+      group = gid,
+      buffer = bufnr,
+      callback = function ()
+        lsp.buf.document_highlight()
+      end
+    })
+
+    api.nvim_create_autocmd("CursorMoved" , {
+      group = gid,
+      buffer = bufnr,
+      callback = function ()
+        lsp.buf.clear_references()
+      end
+    })
   end
 
   if vim.g.logging_level == "debug" then
@@ -87,9 +94,7 @@ local custom_attach = function(client, bufnr)
   end
 end
 
-local capabilities = lsp.protocol.make_client_capabilities()
+local capabilities = require('cmp_nvim_lsp').default_capabilities()
-capabilities = require("cmp_nvim_lsp").update_capabilities(capabilities)
-capabilities.textDocument.completion.completionItem.snippetSupport = true
 
 local lspconfig = require("lspconfig")
 
@@ -198,7 +203,7 @@ fn.sign_define("DiagnosticSignInformation", { text = "", texthl = "Diagnostic
 fn.sign_define("DiagnosticSignHint", { text = "", texthl = "DiagnosticSignHint" })
 
 -- global config for diagnostic
-vim.diagnostic.config {
+diagnostic.config {
   underline = false,
   virtual_text = false,
   signs = true,

lua/config/neoscroll.lua

@@ -1,21 +0,0 @@
-require("neoscroll").setup {
-  easing_function = "quadratic",
-}
-
-local t = {}
--- Syntax: t[keys] = {function, {function arguments}}
--- Use the "sine" easing function
-t["<C-u>"] = { "scroll", { "-vim.wo.scroll", "true", "20", [['cubic']] } }
-t["<C-d>"] = { "scroll", { "vim.wo.scroll", "true", "20", [['cubic']] } }
--- Use the "circular" easing function
-t["<C-b>"] = { "scroll", { "-vim.api.nvim_win_get_height(0)", "true", "50", [['cubic']] } }
-t["<C-f>"] = { "scroll", { "vim.api.nvim_win_get_height(0)", "true", "50", [['cubic']] } }
--- Pass "nil" to disable the easing animation (constant scrolling speed)
-t["<C-y>"] = { "scroll", { "-0.10", "false", "100", nil } }
-t["<C-e>"] = { "scroll", { "0.10", "false", "100", nil } }
--- When no easing function is provided the default easing function (in this case "quadratic") will be used
-t["zt"] = { "zt", { "10" } }
-t["zz"] = { "zz", { "10" } }
-t["zb"] = { "zb", { "10" } }
-
-require("neoscroll.config").set_mappings(t)

lua/config/nvim-cmp.lua

@@ -35,7 +35,6 @@ cmp.setup {
     { name = "ultisnips" }, -- For ultisnips user.
     { name = "path" }, -- for path completion
     { name = "buffer", keyword_length = 2 }, -- for buffer word completion
-    { name = "omni" },
     { name = "emoji", insert = true }, -- emoji completion
   },
   completion = {
@@ -61,6 +60,15 @@ cmp.setup {
   },
 }
 
+cmp.setup.filetype("tex", {
+  sources = {
+    { name = "omni" },
+    { name = "ultisnips" }, -- For ultisnips user.
+    { name = "buffer", keyword_length = 2 }, -- for buffer word completion
+    { name = "path" }, -- for path completion
+  },
+})
+
 --  see https://github.com/hrsh7th/nvim-cmp/wiki/Menu-Appearance#how-to-add-visual-studio-code-dark-theme-colors-to-the-menu
 vim.cmd([[
   highlight! link CmpItemMenu Comment

lua/config/nvim-tree.lua

@@ -15,7 +15,6 @@ nvim_tree.setup {
   update_cwd = false,
   view = {
     width = 30,
-    height = 30,
     hide_root_folder = false,
     side = "left",
     preserve_window_proportions = false,

lua/config/statusline.lua

@@ -8,11 +8,17 @@ local function spell()
   return ""
 end
 
+--- show indicator for Chinese IME
 local function ime_state()
   if vim.g.is_mac then
     -- ref: https://github.com/vim-airline/vim-airline/blob/master/autoload/airline/extensions/xkblayout.vim#L11
     local layout = fn.libcall(vim.g.XkbSwitchLib, "Xkb_Switch_getXkbLayout", "")
-    if layout == "0" then
+
+    -- We can use `xkbswitch -g` on the command line to get current mode.
+    -- mode for macOS builtin pinyin IME: com.apple.inputmethod.SCIM.ITABC
+    -- mode for Rime: im.rime.inputmethod.Squirrel.Rime
+    local res = fn.match(layout, [[\v(Squirrel\.Rime|SCIM.ITABC)]])
+    if res ~= -1 then
       return "[CN]"
     end
   end

lua/config/treesitter.lua

@@ -3,6 +3,6 @@ require("nvim-treesitter.configs").setup {
   ignore_install = {}, -- List of parsers to ignore installing
   highlight = {
     enable = true, -- false will disable the whole extension
-    disable = {}, -- list of language that will be disabled
+    disable = { 'help' }, -- list of language that will be disabled
   },
 }

lua/custom-autocmd.lua

@@ -25,17 +25,6 @@ api.nvim_create_autocmd({ "TextYankPost" }, {
   end,
 })
 
--- Auto-generate packer_compiled.lua file
-api.nvim_create_autocmd({ "BufWritePost" }, {
-  pattern = "*/nvim/lua/plugins.lua",
-  group = api.nvim_create_augroup("packer_auto_compile", { clear = true }),
-  callback = function(ctx)
-    local cmd = "source " .. ctx.file
-    vim.cmd(cmd)
-    vim.cmd("PackerCompile")
-  end,
-})
-
 -- Auto-create dir when saving a file, in case some intermediate directory does not exist
 api.nvim_create_autocmd({ "BufWritePre" }, {
   pattern = "*",

lua/plugins.lua

@@ -1,33 +1,46 @@
-local utils = require("utils")
+local api = vim.api
 local fn = vim.fn
 
+local utils = require("utils")
+
 -- The root dir to install all plugins. Plugins are under opt/ or start/ sub-directory.
 vim.g.plugin_home = fn.stdpath("data") .. "/site/pack/packer"
 
--- Where to install packer.nvim -- the package manager (we make it opt)
+--- Install packer if it has not been installed.
-local packer_dir = vim.g.plugin_home .. "/opt/packer.nvim"
+--- Return:
+--- true: if this is a fresh install of packer
+--- false: if packer has been installed
+local function packer_ensure_install()
+  -- Where to install packer.nvim -- the package manager (we make it opt)
+  local packer_dir = vim.g.plugin_home .. "/opt/packer.nvim"
 
--- Whether this is a fresh install, i.e., packer itself and plugins have not been installed.
+  if fn.glob(packer_dir) ~= "" then
-local fresh_install = false
+    return false
+  end
 
--- Auto-install packer in case it hasn't been installed.
+  -- Auto-install packer in case it hasn't been installed.
-if fn.glob(packer_dir) == "" then
+  vim.api.nvim_echo({ { "Installing packer.nvim", "Type" } }, true, {})
-  fresh_install = true
 
-  -- Now we need to install packer.nvim first.
   local packer_repo = "https://github.com/wbthomason/packer.nvim"
   local install_cmd = string.format("!git clone --depth=1 %s %s", packer_repo, packer_dir)
-
-  vim.api.nvim_echo({ { "Installing packer.nvim", "Type" } }, true, {})
   vim.cmd(install_cmd)
+
+  return true
 end
 
+local fresh_install = packer_ensure_install()
+
 -- Load packer.nvim
 vim.cmd("packadd packer.nvim")
 
 local packer = require("packer")
 local packer_util = require("packer.util")
 
+-- check if firenvim is active
+local firenvim_not_active = function()
+  return not vim.g.started_by_firenvim
+end
+
 packer.startup {
   function(use)
     -- it is recommended to put impatient.nvim before any other plugins
@@ -94,9 +107,6 @@ packer.startup {
       config = [[require('config.hlslens')]],
     }
 
-    -- Stay after pressing * and search selected text
-    use { "haya14busa/vim-asterisk", event = "VimEnter" }
-
     -- File search, tag search and more
     if vim.g.is_win then
       use { "Yggdroot/LeaderF", cmd = "Leaderf" }
@@ -113,30 +123,38 @@ packer.startup {
     use { "nvim-telescope/telescope-symbols.nvim", after = "telescope.nvim" }
 
     -- A list of colorscheme plugin you may want to try. Find what suits you.
-    use { "lifepillar/vim-gruvbox8", opt = true }
     use { "navarasu/onedark.nvim", opt = true }
     use { "sainnhe/edge", opt = true }
     use { "sainnhe/sonokai", opt = true }
     use { "sainnhe/gruvbox-material", opt = true }
     use { "shaunsingh/nord.nvim", opt = true }
-    use { "NTBBloodbath/doom-one.nvim", opt = true }
     use { "sainnhe/everforest", opt = true }
     use { "EdenEast/nightfox.nvim", opt = true }
     use { "rebelot/kanagawa.nvim", opt = true }
     use { "catppuccin/nvim", as = "catppuccin", opt = true }
+    use({ "rose-pine/neovim", as = 'rose-pine', opt = true })
+    use { "olimorris/onedarkpro.nvim", opt = true }
+    use { "tanvirtin/monokai.nvim", opt = true }
+    use { "marko-cerovac/material.nvim", opt = true }
 
     use { "kyazdani42/nvim-web-devicons", event = "VimEnter" }
 
     use {
       "nvim-lualine/lualine.nvim",
       event = "VimEnter",
+      cond = firenvim_not_active,
       config = [[require('config.statusline')]],
     }
 
-    use { "akinsho/bufferline.nvim", event = "VimEnter", config = [[require('config.bufferline')]] }
+    use { "akinsho/bufferline.nvim", event = "VimEnter",
+      cond = firenvim_not_active,
+      config = [[require('config.bufferline')]] }
 
     -- fancy start screen
-    use { "glepnir/dashboard-nvim", event = "VimEnter", config = [[require('config.dashboard-nvim')]] }
+    use { "glepnir/dashboard-nvim", event = "VimEnter",
+      cond = firenvim_not_active,
+      config = [[require('config.dashboard-nvim')]]
+    }
 
     use {
       "lukas-reineke/indent-blankline.nvim",
@@ -236,7 +254,7 @@ packer.startup {
     use { "kevinhwang91/nvim-bqf", ft = "qf", config = [[require('config.bqf')]] }
 
     -- Another markdown plugin
-    use { "plasticboy/vim-markdown", ft = { "markdown" } }
+    use { "preservim/vim-markdown", ft = { "markdown" } }
 
     -- Faster footnote generation
     use { "vim-pandoc/vim-markdownfootnotes", ft = { "markdown" } }
@@ -244,16 +262,11 @@ packer.startup {
     -- Vim tabular plugin for manipulate tabular, required by markdown plugins
     use { "godlygeek/tabular", cmd = { "Tabularize" } }
 
-    -- Markdown JSON header highlight plugin
-    use { "elzr/vim-json", ft = { "json", "markdown" } }
-
     -- Markdown previewing (only for Mac and Windows)
     if vim.g.is_win or vim.g.is_mac then
       use {
         "iamcco/markdown-preview.nvim",
-        run = function()
+        run = "cd app && npm install",
-          fn["mkdp#util#install"]()
-        end,
         ft = { "markdown" },
       }
     end
@@ -277,7 +290,7 @@ packer.startup {
     use { "michaeljsmith/vim-indent-object", event = "VimEnter" }
 
     -- Only use these plugin on Windows and Mac and when LaTeX is installed
-    if vim.g.is_win or vim.g.is_mac and utils.executable("latex") then
+    if utils.executable("latex") then
       use { "lervag/vimtex", ft = { "tex" } }
     end
 
@@ -291,17 +304,6 @@ packer.startup {
     -- Modern matchit implementation
     use { "andymass/vim-matchup", event = "VimEnter" }
 
-    -- Smoothie motions
-    use {
-      "karb94/neoscroll.nvim",
-      event = "VimEnter",
-      config = function()
-        vim.defer_fn(function()
-          require("config.neoscroll")
-        end, 2000)
-      end,
-    }
-
     use { "tpope/vim-scriptease", cmd = { "Scriptnames", "Message", "Verbose" } }
 
     -- Asynchronous command execution
@@ -379,3 +381,15 @@ else
     vim.notify(msg, vim.log.levels.ERROR, { title = "nvim-config" })
   end
 end
+
+-- Auto-generate packer_compiled.lua file
+api.nvim_create_autocmd({ "BufWritePost" }, {
+  pattern = "*/nvim/lua/plugins.lua",
+  group = api.nvim_create_augroup("packer_auto_compile", { clear = true }),
+  callback = function(ctx)
+    local cmd = "source " .. ctx.file
+    vim.cmd(cmd)
+    vim.cmd("PackerCompile")
+    vim.notify("PackerCompile done!", vim.log.levels.INFO, { title = "Nvim-config" })
+  end,
+})

lua/utils.lua

@@ -1,10 +1,5 @@
 local fn = vim.fn
 
--- inspect something
-function _G.inspect(item)
-  vim.pretty_print(item)
-end
-
 local M = {}
 
 function M.executable(name)
@@ -15,6 +10,18 @@ function M.executable(name)
   return false
 end
 
+--- check whether a feature exists in Nvim
+--- @feat: string
+---   the feature name, like `nvim-0.7` or `unix`.
+--- return: bool
+M.has = function(feat)
+  if fn.has(feat) == 1 then
+    return true
+  end
+
+  return false
+end
+
 --- Create a dir if it does not exist
 function M.may_create_dir(dir)
   local res = fn.isdirectory(dir)

plugin/abbrev.vim

@@ -0,0 +1,2 @@
+" some abbreviations
+iabbrev reqire require

spell/en.utf-8.add

@@ -194,7 +194,6 @@ wiki
 backticks
 Reddit
 LeaderF
-gruvbox8
 tabpage
 ccls
 cmake
@@ -203,6 +202,8 @@ llvm
 subsampling
 refactor
 colorschemes
+gruvbox8
+gruvbox
 Gruvbox
 monokai
 NeoSolarized
@@ -436,3 +437,19 @@ PostgreSQL
 CNY
 wechat
 ziroom
+Postgres
+plpgsql
+postgres
+PySpark
+winbar
+cmdline
+shada
+async
+localhost
+JetBrains
+localhost
+MariaDB
+SQLite
+Pgadmin
+Datagrip
+mysql