Not gook big commit...

conf/nvim/lua/keybiding.lua

@@ -1,8 +1,5 @@
-
 -- " Key biding
 -- " ----------
--- map {'', '[C-left]', ':tabprevious<CR>', noremap = false, silent = true}
--- map {'', '[C-right]', ':tabnext<CR>', noremap = false, silent = true}
 map {'n', '<leader>/', ':nohlsearch<CR>', noremap =  false, silent = true}
 map {'n', '<F2>', ':NERDTreeToggle<CR>', noremap = false, silent = true}
 
@@ -16,17 +13,19 @@ local t = function(str)
   return vim.api.nvim_replace_termcodes(str, true, true, true)
 end
 
-_G.smart_tab = function()
-  if vim.fn.pumvisible() == 1 then
-    return t'<C-n>'
-  else
-    return t'<Tab>'
-  end
-end
-
 vim.api.nvim_set_keymap(
   'i',
   '<Tab>',
   'v:lua.smart_tab()',
   {noremap = true, expr = true}
 )
+
+-- git sign
+-- Actions
+local opts = { noremap = true, silent = true}
+--vim.api.nvim_set_keymap('n', '<leader>gp', require("gitsigns").preview_hunk, opts)
+vim.api.nvim_set_keymap('n', '<leader>gn', [[<cmd>lua require('gitsigns').next_hunk()<CR>]], opts)
+vim.api.nvim_set_keymap('n', '<leader>gN', [[<cmd>lua require('gitsigns').prev_hunk()<CR>]], opts)
+vim.api.nvim_set_keymap('n', '<leader>gs', ':Gitsigns stage_hunk<CR>', opts)
+vim.api.nvim_set_keymap('n', '<leader>gr', ':Gitsigns reset_hunk<CR>', opts)
+vim.api.nvim_set_keymap('n', '<leader>gd', [[<cmd>lua require("gitsigns").diffthis('~')<CR>]], opts)

conf/nvim/lua/plugins-options.lua

@@ -1,30 +1,12 @@
 -- Global variables
 vim.g['base16colorspace'] =  256
 
--- Vim-airLine
-vim.g['airline#extensions#tabline#enabled'] = 1
-vim.g['airline#extensions#tabline#left_sep'] = ''
-vim.g['airline#extensions#tabline#left_alt_sep'] = '|'
-vim.g['g:airline_powerline_fonts'] = 1
-vim.g['airline_skip_empty_sections'] = 1
-vim.g['airline#extensions#tabline#show_splits'] = 0
-
--- ALE
-vim.g['ale_sign_column_always'] = 1
-vim.g['ale_sign_error'] = '⚠'
-vim.g['ale_sign_warning'] = '⚠'
-vim.g['ale_echo_msg_format'] = '[%linter%] %s [%severity%]'
-
 -- NerdTree
 -- Close NERDTree if it is the last buffer open
 vim.cmd('au bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif')
 
--- Grammalecte
-vim.g['grammalecte_cli_py'] = '/usr/bin/grammalecte-cli'
-
--- Deoplete
-vim.g['deoplete#enable_at_startup'] = 1
-
--- Tree sitter
-local ts = require 'nvim-treesitter.configs'
-ts.setup {ensure_installed = 'maintained', highlight = {enable = true}}
+require('plugins.treesitter')
+require('plugins.lsp')
+require('plugins.cmp')
+require('plugins.gitsigns')
+require('plugins.lualine')

conf/nvim/lua/plugins.lua

@@ -1,28 +1,27 @@
---Plugins
-local paq = require("paq")
-paq  {
+-- Plugins
+require "paq" {
     "savq/paq-nvim";
-    -- vim airline and vim airline theme
-    'vim-airline/vim-airline';
-    -- vim airline and vim airline theme
-    'vim-airline/vim-airline-themes';
-    'w0rp/ale';
+	
+    -- status bar
+    'nvim-lualine/lualine.nvim';
+
     -- Base16 theme
-    'chriskempson/base16-vim';
+    'RRethy/nvim-base16';
 
     -- NERDTree file manager
     'scrooloose/nerdtree';
+    'lewis6991/gitsigns.nvim'; 
 
-    -- Vim fugitive
-    'tpope/vim-fugitive';
-    'tpope/vim-surround';
-    'sheerun/vim-polyglot';
-    {'Shougo/deoplete.nvim', run = vim.fn['remote#host#UpdateRemotePlugins']};
-    'zchee/deoplete-jedi';
-    -- Grammalecte
-    'dpelle/vim-Grammalecte';
     
     -- need to install g++ package on Debian
     -- for tree sitter plugins
-    'nvim-treesitter/nvim-treesitter'
+    'nvim-treesitter/nvim-treesitter';
+
+    -- LSP installer
+    'neovim/nvim-lspconfig';
+    'williamboman/nvim-lsp-installer';
+
+    -- autocompletion plugin
+    'hrsh7th/nvim-cmp';
+    'hrsh7th/cmp-nvim-lsp'
 }

conf/nvim/lua/plugins/cmp.lua

@@ -0,0 +1,37 @@
+-- Add additional capabilities supported by nvim-cmp
+local capabilities = vim.lsp.protocol.make_client_capabilities()
+capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)
+
+-- nvim-cmp setup
+local cmp = require 'cmp'
+cmp.setup {
+  mapping = {
+    ['<C-p>'] = cmp.mapping.select_prev_item(),
+    ['<C-n>'] = cmp.mapping.select_next_item(),
+    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-f>'] = cmp.mapping.scroll_docs(4),
+    ['<C-Space>'] = cmp.mapping.complete(),
+    ['<C-e>'] = cmp.mapping.close(),
+    ['<CR>'] = cmp.mapping.confirm {
+      behavior = cmp.ConfirmBehavior.Replace,
+      select = true,
+    },
+    ['<Tab>'] = function(fallback)
+      if cmp.visible() then
+        cmp.select_next_item()
+      else
+        fallback()
+      end
+    end,
+    ['<S-Tab>'] = function(fallback)
+      if cmp.visible() then
+        cmp.select_prev_item()
+      else
+        fallback()
+      end
+    end,
+  },
+  sources = {
+    { name = 'nvim_lsp' },
+  },
+}

conf/nvim/lua/plugins/gitsigns.lua

@@ -0,0 +1,3 @@
+require('gitsigns').setup {
+    keymaps = {}, -- NO default keybindings
+}

conf/nvim/lua/plugins/lsp.lua

@@ -0,0 +1,23 @@
+local lspconfig = require('lspconfig')
+
+-- lsp installet
+--
+local lsp_installer = require("nvim-lsp-installer")
+
+-- Register a handler that will be called for each installed server when it's
+-- ready (i.e. when installation is finished
+-- or if the server is already installed).
+lsp_installer.on_server_ready(function(server)
+    local opts = {}
+
+    -- (optional) Customize the options passed to the server
+    -- if server.name == "tsserver" then
+    --     opts.root_dir = function() ... end
+    -- end
+
+    -- This setup() function will take the provided server configuration and
+    -- decorate it with the necessary properties before passing it onwards to 
+    -- lspconfig Refer to :
+    -- https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
+    server:setup(opts)
+end)

conf/nvim/lua/plugins/lualine.lua

@@ -0,0 +1,29 @@
+require('lualine').setup {
+  options = {
+    icons_enabled = true,
+    theme = 'base16',
+    component_separators = { left = '|', right = '|'},
+    section_separators = { left = '', right = ''},
+    disabled_filetypes = {},
+    always_divide_middle = true,
+    globalstatus = false,
+  },
+  sections = {
+    lualine_a = {'mode'},
+    lualine_b = {'branch', 'diff', 'diagnostics'},
+    lualine_c = {'filename'},
+    lualine_x = {'encoding', 'fileformat', 'filetype'},
+    lualine_y = {'progress'},
+    lualine_z = {'location'}
+  },
+  inactive_sections = {
+    lualine_a = {},
+    lualine_b = {},
+    lualine_c = {'filename'},
+    lualine_x = {'location'},
+    lualine_y = {},
+    lualine_z = {}
+  },
+  tabline = {},
+  extensions = {}
+}

conf/nvim/lua/plugins/treesitter.lua

@@ -0,0 +1,12 @@
+-- Tree sitter
+local ts = require 'nvim-treesitter.configs'
+
+ts.setup {
+  ensure_installed = 'maintained',
+  sync_install = false,
+  ignore_install = { 'erlang' },
+  highlight = {
+    enable = true,
+    additional_vim_regex_highlighting = false,
+  }
+}

conf/nvim/lua/settings.lua

@@ -34,10 +34,20 @@ vim.cmd('colorscheme base16-classic-dark')
 vim.cmd('au BufWinLeave *.* mkview')
 vim.cmd('au BufWinEnter *.* silent! loadview')
 
--- inoremap <silent><expr><tab> pumvisible()? "\<c-n>" : "\<tab>"
--- inoremap <silent><expr><s-tab> pumvisible()? "\<c-p>" : "\<s-tab>"
 
+-- Diagnostic settings
+--
+-- diagnostic windows must be float
+vim.diagnostic.config {
+  virtual_text = false,
+  signs = false,
+  underline = true,
+}
 
+-- You will likely want to reduce updatetime which affects CursorHold
+-- note: this setting is global and should be set only once
+vim.o.updatetime = 250
+vim.cmd [[autocmd! CursorHold,CursorHoldI * lua vim.diagnostic.open_float(nil, {focus=false})]]
 
 -- Autotype
 vim.cmd('au BufRead,BufNewFile *.md setlocal textwidth=80')