minor tweak: version checking

There are errors with nvim 0.7.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -8,7 +8,7 @@ assignees: ''
 
 <!-- Before reporting: make sure that you have read the doc (https://github.com/jdhao/nvim-config/tree/master/docs) and searched existing issues. -->
 
-- `nvim --version`:
+- `nvim --version`: <!--should be latest stable version: https://github.com/neovim/neovim/releases/tag/stable -->
 - terminal emulator and version:
 - Operating system/version:
 - Have you read and followed all steps in the [doc](https://github.com/jdhao/nvim-config/tree/master/docs):

.gitignore

@@ -2,6 +2,5 @@ tags
 en.utf-8.add.spl
 *.exe
 .netrwhist
-packer_compiled.lua
 *.log
 .DS_Store

README.md

@@ -22,7 +22,7 @@
       <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-0.7.0-blueviolet.svg?style=flat-square&logo=Neovim&logoColor=green" alt="Neovim minimum version"/>
+      <img src="https://img.shields.io/badge/Neovim-0.7.2-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"/>
@@ -40,22 +40,23 @@ This repo hosts my Nvim configuration for Linux, macOS, and Windows.
 and `ginit.vim` is the additional config file for [GUI client of Nvim](https://github.com/neovim/neovim/wiki/Related-projects#gui).
 
 My configurations are heavily documented to make it as clear as possible.
-While you can download the whole repository and use it, it is not recommended though.
+While you can clone the whole repository and use it, it is not recommended though.
 Good configurations are personal. Everyone should have his or her unique config file.
-You are encouraged to copy from this repo the part you feel useful and add it to your own Nvim config.
+You are encouraged to copy from this repo the part you want and add it to your own config.
+
+To reduce the possibility of breakage, **this config is only maintained for [the latest nvim stable release](https://github.com/neovim/neovim/releases/tag/stable).
+No effort is spent on maintaining backward compatibility.**
 
 # Install and setup
 
 See [doc here](docs/README.md) on how to install Nvim's dependencies, Nvim itself,
 and how to set up on different platforms (Linux, macOS, and Windows).
 
-**This config is tested against [Nvim v0.7.0 release](https://github.com/neovim/neovim/releases/tag/stable).
-No backward compatibility is guaranteed.**
-
 # Features #
 
 + Plugin management via [Packer.nvim](https://github.com/wbthomason/packer.nvim).
-+ Code auto-completion via [nvim-cmp](https://github.com/hrsh7th/nvim-cmp) and [nvim-lspconfig](https://github.com/neovim/nvim-lspconfig).
++ 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).
 + Ultra-fast project-wide fuzzy searching via [LeaderF](https://github.com/Yggdroot/LeaderF).
@@ -63,29 +64,29 @@ No backward compatibility is guaranteed.**
 + Faster matching pair insertion and jump via [delimitMate](https://github.com/Raimondi/delimitMate).
 + Smarter and faster matching pair management (add, replace or delete) via [vim-sandwich](https://github.com/machakann/vim-sandwich).
 + Fast buffer jump via [hop.nvim](https://github.com/phaazon/hop.nvim).
-+ Ultra fast snippet insertion via [Ultisnips](https://github.com/SirVer/ultisnips).
-+ Beautiful status line via [lualine.nvim](https://github.com/nvim-lualine/lualine.nvim).
++ Powerful snippet insertion via [Ultisnips](https://github.com/SirVer/ultisnips).
++ Beautiful statusline via [lualine.nvim](https://github.com/nvim-lualine/lualine.nvim).
 + File tree explorer via [nvim-tree.lua](https://github.com/kyazdani42/nvim-tree.lua).
 + Better quickfix list with [nvim-bqf](https://github.com/kevinhwang91/nvim-bqf).
 + Show search index and count with [nvim-hlslens](https://github.com/kevinhwang91/nvim-hlslens).
 + Command line auto-completion via [wilder.nvim](https://github.com/gelguy/wilder.nvim).
-+ Keymap display via [which-key.nvim](https://github.com/folke/which-key.nvim).
++ User-defined mapping hint via [which-key.nvim](https://github.com/folke/which-key.nvim).
 + Asynchronous code execution via [asyncrun.vim](https://github.com/skywind3000/asyncrun.vim).
 + 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).
 + Color theme via [vim-gruvbox8](https://github.com/lifepillar/vim-gruvbox8) and other beautiful themes.
 + Markdown writing and previewing via [vim-markdown](https://github.com/plasticboy/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>.
 + 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)
-+ LaTeX editing via [vimtex](https://github.com/lervag/vimtex) <sup id="a1">[1](#f1)</sup>.
 + ......
 
 # UI Demo
 
-For more UI demos, see [here](https://github.com/jdhao/nvim-config/issues/15).
+For more UI demos, check [here](https://github.com/jdhao/nvim-config/issues/15).
 
 ## Start screen with alpha-nvim
 
@@ -139,7 +140,7 @@ Go to a string starting with `se`
 
 # Shortcuts
 
-Some of the shortcuts I use frequently is listed here. In the following shortcuts, `<leader>` represents ASCII character `,`.
+Some of the shortcuts I use frequently are listed here. In the following shortcuts, `<leader>` represents ASCII character `,`.
 
 | Shortcut          | Mode          | platform        | Description                                                      |
 |-------------------|---------------|-----------------|------------------------------------------------------------------|

after/ftplugin/lua.vim

@@ -6,3 +6,5 @@ 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
+
+nnoremap <silent> <F9> :luafile %<CR>

after/ftplugin/vim.vim

@@ -16,3 +16,5 @@ 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
+
+nnoremap <silent> <F9> :source %<CR>

core/globals.vim

@@ -69,4 +69,7 @@ let g:loaded_tutor_mode_plugin = 1  " do not load the tutor plugin
 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.vim

@@ -95,6 +95,9 @@ nnoremap <silent> <leader>sv :<C-U>silent update $MYVIMRC <bar> source $MYVIMRC
 " Reselect the text that has just been pasted, see also https://stackoverflow.com/a/4317090/6064933.
 nnoremap <expr> <leader>v printf('`[%s`]', getregtype()[0])
 
+" Always use very magic mode for searching
+nnoremap / /\v
+
 " Search in selected region
 xnoremap / :<C-U>call feedkeys('/\%>'.(line("'<")-1).'l\%<'.(line("'>")+1)."l")<CR>
 
@@ -190,3 +193,6 @@ function! s:restore_cursor() abort
   silent! normal `y
   silent! delmarks y
 endfunction
+
+" for mappings defined in lua
+lua require('custom-map')

core/plugins.vim

@@ -101,7 +101,7 @@ nnoremap <silent> <leader>ft :<C-U>Leaderf bufTag --popup<CR>
 nnoremap <silent> <leader>fb :<C-U>Leaderf buffer --popup<CR>
 
 " Search recent files
-nnoremap <silent> <leader>fr :<C-U>Leaderf mru --popup<CR>
+nnoremap <silent> <leader>fr :<C-U>Leaderf mru --popup --absolute-path<CR>
 
 let g:Lf_PopupColorscheme = 'gruvbox_material'
 
@@ -292,7 +292,6 @@ if ( g:is_win || g:is_mac ) && executable('latex')
   " Viewer settings for different platforms
   if g:is_win
     let g:vimtex_view_general_viewer = 'SumatraPDF'
-    let g:vimtex_view_general_options_latexmk = '-reuse-instance'
     let g:vimtex_view_general_options = '-reuse-instance -forward-search @tex @line @pdf'
   endif
 

docs/README.md

@@ -142,13 +142,13 @@ we need to install a patched font from the [nerd-fonts](https://github.com/ryano
 # Install Nvim
 
 There are various ways to install Nvim depending on your system.
-Current configuration is tested against nvim v0.7.0.
+This config is only maintained for [the latest nvim stable release](https://github.com/neovim/neovim/releases/tag/stable).
 
 ## Linux
 
-We can directly download the binary release from [here](https://github.com/neovim/neovim/releases/download/stable/nvim-linux64.tar.gz).
+You can directly download the binary release from [here](https://github.com/neovim/neovim/releases/download/stable/nvim-linux64.tar.gz).
 You can also use the system package manager to install nvim,
-but that is not reliable since latest version may not be available.
+but that is not reliable since the latest version may not be available.
 
 ## Windows
 
@@ -173,7 +173,7 @@ brew install neovim
 ```
 
 After installing Nvim, we need to set the path to nvim correctly.
-Make sure that you can run `nvim` from the command line after all these setups.
+**Make sure that you can run `nvim` from the command line after all these setups**.
 
 # Setting up Nvim
 

docs/nvim_install_mac.sh

@@ -9,8 +9,9 @@ if [[ ! -d "$HOME/tools/"  ]]; then
 fi
 
 # Delete existing nvim installation.
-if [[ -d "$HOME/tools/nvim-osx64" ]]; then
-    rm -rf "$HOME/tools/nvim-osx64"
+# For newer release, the directory name is nvim-macos
+if [[ -d "$HOME/tools/nvim-macos" ]]; then
+    rm -rf "$HOME/tools/nvim-macos"
 fi
 
 # Extract the tar ball

docs/nvim_setup_linux.sh

@@ -222,8 +222,10 @@ fi
 git clone --depth=1 https://github.com/jdhao/nvim-config.git "$NVIM_CONFIG_DIR"
 
 echo "Installing packer.nvim"
-git clone --depth=1 https://github.com/wbthomason/packer.nvim \
-    ~/.local/share/nvim/site/pack/packer/opt/packer.nvim
+if [[ ! -d ~/.local/share/nvim/site/pack/packer/opt/packer.nvim ]]; then
+    git clone --depth=1 https://github.com/wbthomason/packer.nvim \
+        ~/.local/share/nvim/site/pack/packer/opt/packer.nvim
+fi
 
 echo "Installing nvim plugins, please wait"
 "$NVIM_DIR/bin/nvim" -c "autocmd User PackerComplete quitall" -c "PackerSync"

init.vim

@@ -8,6 +8,15 @@
 " Email: jdhao@hotmail.com
 " Blog: https://jdhao.github.io/
 
+" check if we have the lastest stable version of nvim
+let s:expect_ver = printf('nvim-%s', '0.7.2')
+let s:actual_ver = matchstr(execute('version'), 'NVIM v\zs[^\n]*')
+
+if !has(s:expect_ver)
+  echohl Error | echomsg printf("%s required, but got nvim %s!", s:expect_ver, s:actual_ver) | echohl None
+  finish
+endif
+
 let s:core_conf_files = [
       \ 'globals.vim',
       \ 'options.vim',

lua/config/hlslens.lua

@@ -3,19 +3,32 @@ require('hlslens').setup({
     nearest_only = true,
 })
 
-vim.api.nvim_set_keymap(
-  "n",
-  "n",
-  "<Cmd>execute('normal! ' . v:count1 . 'nzzzv')<CR><Cmd>lua require('hlslens').start()<CR>",
-  { noremap = true, silent = true }
-)
+local activate_hlslens = function(direction)
+  local cmd = string.format("normal! %s%szzzv", vim.v.count1, direction)
+  local status, msg = pcall(vim.fn.execute, cmd)
+  -- 13 is the index where real error message starts
+  msg = msg:sub(13)
 
-vim.api.nvim_set_keymap(
-  "n",
-  "N",
-  "<Cmd>execute('normal! ' . v:count1 . 'Nzzzv')<CR><Cmd>lua require('hlslens').start()<CR>",
-  { noremap = true, silent = true }
-)
+  if not status then
+    vim.api.nvim_echo({{msg, "ErrorMsg"}}, false, {})
+    return
+  end
+  require('hlslens').start()
+end
 
-vim.api.nvim_set_keymap("n", "*", "<Plug>(asterisk-z*)<Cmd>lua require('hlslens').start()<CR>", { silent = true })
-vim.api.nvim_set_keymap("n", "#", "<Plug>(asterisk-z#)<Cmd>lua require('hlslens').start()<CR>", { silent = true })
+vim.keymap.set('n', 'n', '',
+{
+  noremap = true,
+  silent = true,
+  callback = function() activate_hlslens('n') end
+})
+
+vim.keymap.set('n', 'N', '',
+{
+  noremap = true,
+  silent = true,
+  callback = function() activate_hlslens('N') end
+})
+
+vim.keymap.set('n', '*', "<Plug>(asterisk-z*)<Cmd>lua require('hlslens').start()<CR>", { silent = true })
+vim.keymap.set('n', '#', "<Plug>(asterisk-z#)<Cmd>lua require('hlslens').start()<CR>", { silent = true })

lua/config/lsp.lua

@@ -1,21 +1,9 @@
+local fn = vim.fn
 local api = vim.api
 local lsp = vim.lsp
 
 local utils = require("utils")
 
-local M = {}
-
-function M.show_line_diagnostics()
-  local opts = {
-    focusable = false,
-    close_events = { "BufLeave", "CursorMoved", "InsertEnter", "FocusLost" },
-    border = 'rounded',
-    source = 'always',  -- show source in diagnostic popup window
-    prefix = ' '
-  }
-  vim.diagnostic.open_float(nil, opts)
-end
-
 local custom_attach = function(client, bufnr)
   -- Mappings.
   local opts = { silent = true, buffer = bufnr }
@@ -33,9 +21,31 @@ local custom_attach = function(client, bufnr)
   vim.keymap.set("n", "<space>q", function() vim.diagnostic.setqflist({open = true}) end, opts)
   vim.keymap.set("n", "<space>ca", vim.lsp.buf.code_action, opts)
 
-  vim.cmd([[
-    autocmd CursorHold <buffer> lua require('config.lsp').show_line_diagnostics()
-  ]])
+  vim.api.nvim_create_autocmd("CursorHold", {
+    buffer=bufnr,
+    callback = function()
+      local opts = {
+        focusable = false,
+        close_events = { "BufLeave", "CursorMoved", "InsertEnter", "FocusLost" },
+        border = 'rounded',
+        source = 'always',  -- show source in diagnostic popup window
+        prefix = ' '
+      }
+
+      if not vim.b.diagnostics_pos then
+        vim.b.diagnostics_pos = { nil, nil }
+      end
+
+      local cursor_pos = vim.api.nvim_win_get_cursor(0)
+      if (cursor_pos[1] ~= vim.b.diagnostics_pos[1] or cursor_pos[2] ~= vim.b.diagnostics_pos[2]) and
+        #vim.diagnostic.get() > 0
+      then
+          vim.diagnostic.open_float(nil, opts)
+      end
+
+      vim.b.diagnostics_pos = cursor_pos
+    end
+  })
 
   -- Set some key bindings conditional on server capabilities
   if client.resolved_capabilities.document_formatting then
@@ -138,9 +148,9 @@ if utils.executable('bash-language-server') then
   })
 end
 
-local sumneko_binary_path = vim.fn.exepath("lua-language-server")
+local sumneko_binary_path = fn.exepath("lua-language-server")
 if vim.g.is_mac or vim.g.is_linux and sumneko_binary_path ~= "" then
-  local sumneko_root_path = vim.fn.fnamemodify(sumneko_binary_path, ":h:h:h")
+  local sumneko_root_path = fn.fnamemodify(sumneko_binary_path, ":h:h:h")
 
   local runtime_path = vim.split(package.path, ";")
   table.insert(runtime_path, "lua/?.lua")
@@ -176,10 +186,10 @@ if vim.g.is_mac or vim.g.is_linux and sumneko_binary_path ~= "" then
 end
 
 -- Change diagnostic signs.
-vim.fn.sign_define("DiagnosticSignError", { text = "✗", texthl = "DiagnosticSignError" })
-vim.fn.sign_define("DiagnosticSignWarn", { text = "!", texthl = "DiagnosticSignWarn" })
-vim.fn.sign_define("DiagnosticSignInformation", { text = "", texthl = "DiagnosticSignInfo" })
-vim.fn.sign_define("DiagnosticSignHint", { text = "", texthl = "DiagnosticSignHint" })
+fn.sign_define("DiagnosticSignError", { text = "✗", texthl = "DiagnosticSignError" })
+fn.sign_define("DiagnosticSignWarn", { text = "!", texthl = "DiagnosticSignWarn" })
+fn.sign_define("DiagnosticSignInformation", { text = "", texthl = "DiagnosticSignInfo" })
+fn.sign_define("DiagnosticSignHint", { text = "", texthl = "DiagnosticSignHint" })
 
 -- global config for diagnostic
 vim.diagnostic.config({
@@ -200,5 +210,3 @@ vim.diagnostic.config({
 lsp.handlers["textDocument/hover"] = lsp.with(vim.lsp.handlers.hover, {
   border = "rounded",
 })
-
-return M

lua/config/nvim-tree.lua

@@ -1,62 +1,119 @@
 local nvim_tree = require("nvim-tree")
 
 nvim_tree.setup({
-	disable_netrw = true,
-	hijack_netrw = true,
-	open_on_setup = false,
-	ignore_ft_on_setup = {},
-	open_on_tab = false,
-	hijack_cursor = false,
-	update_cwd = false,
-	update_to_buf_dir = {
-		enable = true,
-		auto_open = true,
-	},
-	diagnostics = {
-		enable = false,
-		icons = {
-			hint = "",
-			info = "",
-			warning = "",
-			error = "",
-		},
-	},
-	update_focused_file = {
-		enable = false,
-		update_cwd = false,
-		ignore_list = {},
-	},
-	system_open = {
-		cmd = nil,
-		args = {},
-	},
-	filters = {
-		dotfiles = false,
-		custom = {},
-	},
-	git = {
-		enable = true,
-		ignore = true,
-		timeout = 500,
-	},
-	view = {
-		width = 35,
-		height = 30,
-		hide_root_folder = false,
-		side = "left",
-		auto_resize = true,
-		mappings = {
-			custom_only = false,
-			list = {},
-		},
-		number = false,
-		relativenumber = false,
-		signcolumn = "yes",
-	},
-	trash = {
-		cmd = "trash",
-		require_confirm = true,
-	},
+  auto_reload_on_write = true,
+  disable_netrw = false,
+  hijack_cursor = false,
+  hijack_netrw = true,
+  hijack_unnamed_buffer_when_opening = false,
+  ignore_buffer_on_setup = false,
+  open_on_setup = false,
+  open_on_setup_file = false,
+  open_on_tab = false,
+  sort_by = "name",
+  update_cwd = false,
+  view = {
+    width = 30,
+    height = 30,
+    hide_root_folder = false,
+    side = "left",
+    preserve_window_proportions = false,
+    number = false,
+    relativenumber = false,
+    signcolumn = "yes",
+    mappings = {
+      custom_only = false,
+      list = {
+        -- user mappings go here
+      },
+    },
+  },
+  renderer = {
+    indent_markers = {
+      enable = false,
+      icons = {
+        corner = "└ ",
+        edge = "│ ",
+        none = "  ",
+      },
+    },
+    icons = {
+      webdev_colors = true,
+    },
+  },
+  hijack_directories = {
+    enable = true,
+    auto_open = true,
+  },
+  update_focused_file = {
+    enable = false,
+    update_cwd = false,
+    ignore_list = {},
+  },
+  ignore_ft_on_setup = {},
+  system_open = {
+    cmd = "",
+    args = {},
+  },
+  diagnostics = {
+    enable = false,
+    show_on_dirs = false,
+    icons = {
+      hint = "",
+      info = "",
+      warning = "",
+      error = "",
+    },
+  },
+  filters = {
+    dotfiles = false,
+    custom = {},
+    exclude = {},
+  },
+  git = {
+    enable = true,
+    ignore = true,
+    timeout = 400,
+  },
+  actions = {
+    use_system_clipboard = true,
+    change_dir = {
+      enable = true,
+      global = false,
+      restrict_above_cwd = false,
+    },
+    open_file = {
+      quit_on_open = false,
+      resize_window = false,
+      window_picker = {
+        enable = true,
+        chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890",
+        exclude = {
+          filetype = { "notify", "packer", "qf", "diff", "fugitive", "fugitiveblame" },
+          buftype = { "nofile", "terminal", "help" },
+        },
+      },
+    },
+  },
+  trash = {
+    cmd = "trash",
+    require_confirm = true,
+  },
+  log = {
+    enable = false,
+    truncate = false,
+    types = {
+      all = false,
+      config = false,
+      copy_paste = false,
+      diagnostics = false,
+      git = false,
+      profile = false,
+    },
+  },
 })
 
-vim.api.nvim_set_keymap("n", "<space>s", "<cmd>lua require'nvim-tree'.toggle(false, true)<CR>", { noremap = true, silent = true })
+vim.keymap.set('n', '<space>s', function()
+  return require('nvim-tree').toggle(false, true)
+end,
+{ noremap = true, silent = true, desc = "toggle nvim-tree"})

lua/config/nvim_hop.lua

@@ -8,4 +8,7 @@ require('hop').setup({
   quit_key='<Esc>',
 })
 
-vim.api.nvim_set_keymap('n', 'f', "<cmd>lua require'hop'.hint_char2()<cr>", {noremap = true})
+vim.keymap.set('n', 'f', function()
+  return require('hop').hint_char2()
+end,
+{ silent = true, noremap = true, desc = "nvim-hop char2" })

lua/config/statusline.lua

@@ -1,3 +1,5 @@
+local fn = vim.fn
+
 local function spell()
   if vim.o.spell then
     return string.format("[SPELL]")
@@ -9,7 +11,7 @@ end
 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 = vim.fn.libcall(vim.g.XkbSwitchLib, 'Xkb_Switch_getXkbLayout', '')
+    local layout = fn.libcall(vim.g.XkbSwitchLib, 'Xkb_Switch_getXkbLayout', '')
     if layout == '0' then
       return '[CN]'
     end
@@ -35,20 +37,20 @@ end
 local function mixed_indent()
   local space_pat = [[\v^ +]]
   local tab_pat = [[\v^\t+]]
-  local space_indent = vim.fn.search(space_pat, 'nwc')
-  local tab_indent = vim.fn.search(tab_pat, 'nwc')
+  local space_indent = fn.search(space_pat, 'nwc')
+  local tab_indent = fn.search(tab_pat, 'nwc')
   local mixed = (space_indent > 0 and tab_indent > 0)
   local mixed_same_line
   if not mixed then
-    mixed_same_line = vim.fn.search([[\v^(\t+ | +\t)]], 'nwc')
+    mixed_same_line = fn.search([[\v^(\t+ | +\t)]], 'nwc')
     mixed = mixed_same_line > 0
   end
   if not mixed then return '' end
   if mixed_same_line ~= nil and mixed_same_line > 0 then
      return 'MI:'..mixed_same_line
   end
-  local space_indent_cnt = vim.fn.searchcount({pattern=space_pat, max_count=1e3}).total
-  local tab_indent_cnt =  vim.fn.searchcount({pattern=tab_pat, max_count=1e3}).total
+  local space_indent_cnt = fn.searchcount({pattern=space_pat, max_count=1e3}).total
+  local tab_indent_cnt =  fn.searchcount({pattern=tab_pat, max_count=1e3}).total
   if space_indent_cnt > tab_indent_cnt then
     return 'MI:'..tab_indent
   else

lua/custom-map.lua

@@ -0,0 +1,8 @@
+local keymap = vim.keymap
+
+-- Go to the begining and end of current line in insert mode quickly
+keymap.set('i', '<C-A>', '<HOME>')
+keymap.set('i', '<C-E>', '<END>')
+
+-- Delete the character to the right of the cursor
+keymap.set('i', '<C-D>', '<DEL>')

lua/plugins.lua

@@ -136,7 +136,7 @@ require("packer").startup({
     use({ "akinsho/bufferline.nvim", event = "VimEnter", config = [[require('config.bufferline')]] })
 
     -- fancy start screen
-    use { 'goolord/alpha-nvim', event = 'VimEnter', config = [[require('config.alpha-nvim')]] }
+    -- use { 'goolord/alpha-nvim', event = 'VimEnter', config = [[require('config.alpha-nvim')]] }
 
     use({
       "lukas-reineke/indent-blankline.nvim",
@@ -359,7 +359,7 @@ require("packer").startup({
   end,
   config = {
     max_jobs = 16,
-    compile_path = util.join_paths(vim.fn.stdpath('config'), 'lua', 'packer_compiled.lua'),
+    compile_path = util.join_paths(fn.stdpath('data'), 'site', 'lua', 'packer_compiled.lua'),
   },
 })
 

lua/utils.lua

@@ -1,13 +1,14 @@
+local fn = vim.fn
+
 -- inspect something
--- Taken from https://github.com/jamestthompson3/vimConfig/blob/eeef4a8eeb5a24938f8a0969a35f69c78643fb66/lua/tt/nvim_utils.lua#L106
 function inspect(item)
-  print(vim.inspect(item))
+  vim.pretty_print(item)
 end
 
 local M = {}
 
 function M.executable(name)
-  if vim.fn.executable(name) > 0 then
+  if fn.executable(name) > 0 then
     return true
   end
 
@@ -15,12 +16,12 @@ function M.executable(name)
 end
 
 function M.may_create_dir()
-  local fpath = vim.fn.expand('<afile>')
-  local parent_dir = vim.fn.fnamemodify(fpath, ":p:h")
-  local res = vim.fn.isdirectory(parent_dir)
+  local fpath = fn.expand('<afile>')
+  local parent_dir = fn.fnamemodify(fpath, ":p:h")
+  local res = fn.isdirectory(parent_dir)
 
   if res == 0 then
-    vim.fn.mkdir(parent_dir, 'p')
+    fn.mkdir(parent_dir, 'p')
   end
 end
 

my_snippets/python.snippets

@@ -24,3 +24,7 @@ def main():
 if __name__ == "__main__":
 	main()
 endsnippet
+
+snippet sol "solution" b
+solution = Solution()
+endsnippet

spell/en.utf-8.add

@@ -415,3 +415,18 @@ src
 RGBA
 yapf
 Vimming
+overfitting
+PCA
+SVM
+KNN
+leetcode
+Logitech
+WTF
+tensorboard
+Nvidia
+GPG
+manpage
+metatable
+open3d
+pyntcloud
+param