neovim: gitsigns, basic mappings and nord colors

Also update nushell startup hook

home/.config/nu/config.toml

@@ -1,9 +1,12 @@
 skip_welcome_message = true
-prompt = "__zoxide_hook; starship prompt"
 startup = [
-    "zoxide init nushell --hook prompt | save ~/.local/share/nu/zoxide.nu",
+    "mkdir ~/.cache/nu",
-    "source ~/.local/share/nu/zoxide.nu"
+    "zoxide init nushell --hook prompt | save ~/.cache/nu/zoxide.nu",
+    "source ~/.cache/nu/zoxide.nu",
+    "starship init nu | save ~/.cache/nu/starship.nu",
+    "source ~/.cache/nu/starship.nu"
  ]
+prompt = "__zoxide_hook; starship prompt"
 
 [line_editor]
 completion_type = "list"

home/.config/nvim/init.lua

@@ -9,7 +9,7 @@ local disable_distribution_plugins = function()
     vim.g.loaded_vimball           = 1
     vim.g.loaded_vimballPlugin     = 1
     vim.g.loaded_matchit           = 1
-    vim.g.loaded_matchparen        = 1
+    -- vim.g.loaded_matchparen        = 1
     vim.g.loaded_2html_plugin      = 1
     vim.g.loaded_logiPat           = 1
     vim.g.loaded_rrhelper          = 1
@@ -31,11 +31,12 @@ local load_core = function()
 
     -- Config
     require('options')
+    require('colors.' .. vim.g.global_theme).highlight()
     disable_distribution_plugins()
     leader_map()
     require('plugins')
-    require('colors.' .. vim.g.global_theme).highlight()
     require('events').load_autocmds()
+    require('mappings')
 end
 
 load_core()

home/.config/nvim/lua/colors/nord.lua

@@ -1,18 +1,17 @@
-local api = vim.api
 local M = {}
 
 local function hi(group, guifg, guibg, attr, guisp)
     if guifg ~= '' then
-        api.nvim_command('hi ' .. group .. ' guifg=' .. guifg)
+        vim.cmd('hi ' .. group .. ' guifg=' .. guifg)
     end
     if guibg ~= '' then
-        api.nvim_command('hi ' .. group .. ' guibg=' .. guibg)
+        vim.cmd('hi ' .. group .. ' guibg=' .. guibg)
     end
     if attr ~= '' then
-        api.nvim_command('hi ' .. group .. ' gui=' .. attr)
+        vim.cmd('hi ' .. group .. ' gui=' .. attr)
     end
     if guisp ~= '' then
-        api.nvim_command('hi ' .. group .. ' guisp=' .. guisp)
+        vim.cmd('hi ' .. group .. ' guisp=' .. guisp)
     end
 end
 
@@ -38,8 +37,166 @@ M.colors = {
     none        = 'NONE'
 }
 
+local c = M.colors
+
 function M.highlight()
-    hi('ModeMsg', M.colors.green, '', '', '')
+    -- Reset everything
+    vim.cmd('hi clear')
+    if vim.fn.exists('syntax_on') then vim.cmd('syntax reset') end
+    vim.o.background = 'dark'
+    vim.o.termguicolors = true
+
+    -------------------
+    -- UI components --
+    -------------------
+    -- Attributes
+    hi('Bold'     , '', '', 'bold'     , '')
+    hi('Italic'   , '', '', 'italic'   , '')
+    hi('Underline', '', '', 'underline', '')
+
+    -- Editor
+    hi('ColorColumn', ''      , c.grey1, '', '')
+    hi('Cursor'     , c.black , c.fg   , '', '')
+    hi('CursorLine' , c.grey1 , ''     , 'NONE', '')
+    hi('Error'      , c.fg    , c.red  , '', '')
+    hi('iCursor'    , c.black , c.fg   , '', '')
+    hi('LineNr'     , c.grey3 , c.none , '', '')
+    hi('MatchParen' , c.cyan  , c.grey3, '', '')
+    hi('NonText'    , c.grey2 , ''     , '', '')
+    hi('Normal'     , c.fg    , c.black, '', '')
+    hi('Pmenu'      , c.fg    , c.grey2, 'NONE', '')
+    hi('PmenuSbar'  , c.fg    , c.grey2, '', '')
+    hi('PmenuSel'   , c.cyan  , c.grey3, '', '')
+    hi('PmenuThumb' , c.cyan  , c.grey3, '', '')
+    hi('SpecialKey' , c.grey3 , ''     , '', '')
+    hi('SpellBad'   , c.red   , c.black, 'undercurl', c.red)
+    hi('SpellCap'   , c.yellow, c.black, 'undercurl', c.yellow)
+    hi('SpellLocal' , c.white1, c.black, 'undercurl', c.white1)
+    hi('SpellRare'  , c.white2, c.black, 'undercurl', c.white2)
+    hi('Visual'     , ''      , c.grey2 , '', '')
+    hi('VisualNOS'  , ''      , c.grey2 , '', '')
+    -- Neovim support
+    hi('healthError'  , c.red   , c.grey1, '', '')
+    hi('healthSuccess', c.green , c.grey1, '', '')
+    hi('healthWarning', c.yellow, c.grey1, '', '')
+    hi('TermCursorNC' , ''      , c.grey2, '', '')
+
+    -- Gutter
+    hi('CursorColumn', c.grey1, ''     , ''    , '')
+    hi('CursorLineNr', c.fg   , ''     , 'NONE', '')
+    hi('Folded'      , c.grey3, c.grey1, 'bold', '')
+    hi('FoldColumn'  , c.grey3, c.black, ''    , '')
+    hi('SignColumn'  , c.grey1, c.black, ''    , '')
+
+    -- Navigation
+    hi('Directory', c.cyan, '', '', '')
+
+    -- Prompt
+    hi('EndOfBuffer', c.grey1, ''      , '', '')
+    hi('ErrorMsg'   , c.fg   , c.red   , '', '')
+    hi('ModeMsg'    , c.green, ''      , '', '')
+    hi('MoreMsg'    , c.cyan , ''      , '', '')
+    hi('Question'   , c.fg   , ''      , '', '')
+    hi('WarningMsg' , c.black, c.yellow, '', '')
+    hi('WildMenu'   , c.cyan , c.grey1 , '', '')
+
+    -- Statusline
+    hi('StatusLine'      , c.cyan, c.grey3, 'NONE', '')
+    hi('StatusLineNC'    , c.fg  , c.grey3, 'NONE', '')
+    hi('StatusLineTerm'  , c.cyan, c.grey3, 'NONE', '')
+    hi('StatusLineTermNC', c.fg  , c.grey3, 'NONE', '')
+
+    -- Search
+    hi('IncSearch', c.white2, c.dark_blue, 'underline', '')
+    hi('Search'   , c.grey1 , c.cyan     , 'NONE'     , '')
+
+    -- Tabline
+    hi('TabLine'    , c.fg  , c.grey1, 'NONE', '')
+    hi('TabLineFill', c.fg  , c.grey1, 'NONE', '')
+    hi('TabLineSel' , c.cyan, c.grey3, 'NONE', '')
+
+    -- Window
+    hi('Title', c.fg, '', 'NONE', '')
+    hi('VertSplit', c.grey2, c.black, 'NONE', '')
+
+    --------------------------
+    -- Language base groups --
+    --------------------------
+    hi('Boolean', c.blue, '', '', '')
+    hi('Character', c.fg, '', '', '')
+    hi('Comment', c.grey_bright, '', 'italic', '')
+    hi('Conceal', '', '', '', '')
+    hi('Conditional', c.blue, '', '', '')
+    hi('Constant', c.fg, '', '', '')
+    hi('Define', c.blue, '', '', '')
+    hi('Delimiter', c.white2, '', '', '')
+    hi('Exception', c.blue, '', '', '')
+    hi('Float', c.purple, '', '', '')
+    hi('Function', c.cyan, '', '', '')
+    hi('Identifier', c.fg, '', 'NONE', '')
+    hi('Include', c.blue, '', '', '')
+    hi('Keyword', c.blue, '', '', '')
+    hi('Label', c.blue, '', '', '')
+    hi('Number', c.purple, '', '', '')
+    hi('Operator', c.blue, '', 'NONE', '')
+    hi('PreProc', c.blue, '', 'NONE', '')
+    hi('Repeat', c.blue, '', '', '')
+    hi('Special', c.fg, '', '', '')
+    hi('SpecialChar', c.yellow, '', '', '')
+    hi('SpecialComment', c.cyan, '', 'italic', '')
+    hi('Statement', c.blue, '', '', '')
+    hi('StorageClass', c.blue, '', '', '')
+    hi('String', c.green, '', '', '')
+    hi('Structure', c.blue, '', '', '')
+    hi('Tag', c.fg, '', '', '')
+    hi('Todo', c.yellow, c.none, '', '')
+    hi('Type', c.blue, '', 'NONE', '')
+    hi('Typedef', c.blue, '', '', '')
+    vim.cmd('hi! link Macro Define')
+    vim.cmd('hi! link PreCondit PreProc')
+
+    ---------------
+    -- Languages --
+    ---------------
+    hi('asciidocAttributeEntry', c.dark_blue, '', '', '')
+    hi('asciidocAttributeList', c.dark_blue, '', '', '')
+    hi('asciidocAttributeRef', c.dark_blue, '', '', '')
+    hi('asciidocHLabel', c.blue, '', '', '')
+    hi('asciidocListingBlock', c.teal, '', '', '')
+    hi('asciidocMacroAttributes', c.cyan, '', '', '')
+    hi('asciidocOneLineTitle', c.cyan, '', '', '')
+    hi('asciidocPassthroughBlock', c.blue, '', '', '')
+    hi('asciidocQuotedMonospaced', c.teal, '', '', '')
+    hi('asciidocTriplePlusPassthrough', c.teal, '', '', '')
+    vim.cmd('hi! link asciidocAdmonition Keyword')
+    vim.cmd('hi! link asciidocAttributeRef markdownH1')
+    vim.cmd('hi! link asciidocBackslash Keyword')
+    vim.cmd('hi! link asciidocMacro Keyword')
+    vim.cmd('hi! link asciidocQuotedBold Bold')
+    vim.cmd('hi! link asciidocQuotedEmphasized Italic')
+    vim.cmd('hi! link asciidocQuotedMonospaced2 asciidocQuotedMonospaced')
+    vim.cmd('hi! link asciidocQuotedUnconstrainedBold asciidocQuotedBold')
+    vim.cmd('hi! link asciidocQuotedUnconstrainedEmphasized asciidocQuotedEmphasized')
+    vim.cmd('hi! link asciidocURL markdownLinkText')
+
+    hi('DiffAdd'   , c.green , c.grey1, '', '')
+    hi('DiffChange', c.yellow, c.grey1, '', '')
+    hi('DiffDelete', c.red   , c.grey1, '', '')
+    hi('DiffText'  , c.blue  , c.grey1, '', '')
+
+    ---------------------
+    -- Plugins' groups --
+    ---------------------
+    -- Gitsigns
+    hi('GitSignsAddNr'   , c.green , '', '', '')
+    hi('GitSignsChangeNr', c.yellow, '', '', '')
+    hi('GitSignsDeleteNr', c.red   , '', '', '')
+
+    -- Dashboard
+    hi('DashboardHeader'  , c.cyan       , '', 'bold'       , '')
+    hi('DashboardCenter'  , c.blue       , '', 'bold'       , '')
+    hi('DashboardShortcut', c.grey_bright, '', 'bold,italic', '')
+    hi('DashboardFooter'  , c.green      , '', 'bold'       , '')
 end
 
 return M

home/.config/nvim/lua/colors/onedark.lua

@@ -1,18 +1,17 @@
-local api = vim.api
 local M = {}
 
 local function hi(group, guifg, guibg, attr, guisp)
     if guifg ~= '' then
-        api.nvim_command('hi ' .. group .. ' guifg=' .. guifg)
+        vim.cmd('hi ' .. group .. ' guifg=' .. guifg)
     end
     if guibg ~= '' then
-        api.nvim_command('hi ' .. group .. ' guibg=' .. guibg)
+        vim.cmd('hi ' .. group .. ' guibg=' .. guibg)
     end
     if attr ~= '' then
-        api.nvim_command('hi ' .. group .. ' gui=' .. attr)
+        vim.cmd('hi ' .. group .. ' gui=' .. attr)
     end
     if guisp ~= '' then
-        api.nvim_command('hi ' .. group .. ' guisp=' .. guisp)
+        vim.cmd('hi ' .. group .. ' guisp=' .. guisp)
     end
 end
 
@@ -39,8 +38,10 @@ M.colors = {
     none        = 'NONE'
 }
 
+local c = M.colors
+
 function M.highlight()
-    hi('ModeMsg', M.colors.green, '', '', '')
+    hi('ModeMsg', c.green, '', '', '')
 end
 
 return M

home/.config/nvim/lua/mappings.lua

@@ -0,0 +1,66 @@
+local function map(mode, lhs, rhs, opts)
+    local options = {noremap = true, silent = true}
+    if opts then
+        options = vim.tbl_extend('force', options, opts)
+    end
+    vim.api.nvim_set_keymap(mode, lhs, rhs, options)
+end
+
+local opt = {}
+
+--------------------
+-- Basic bindings --
+--------------------
+-- No one likes Esc
+map('i', 'jk', [[<Esc>]], opt)
+
+-- Better Y
+map('n', 'Y', [[y$]], opt)
+
+-- Continuous indent
+map('v', '<', '<gv', opt)
+map('v', '>', '>gv', opt)
+
+-- Escape mode in terminal buffer
+map('t', '<Esc>', '<C-\\><C-n>', opt)
+
+-- Copy the whole buffer
+map('n', '<C-a>', [[ <Cmd> %y+<CR>]], opt)
+-- 'Legacy' save file
+-- map('n', '<C-s>', ':w <CR>', opt)
+-- Close buffer
+map('n', '<C-x>', ':bd!<CR>', opt)
+
+-- Remove trailing whitespace
+map('n', '<A-w>', ':%s/\\s\\+$//e<CR>', opt)
+
+-- Resize buffer
+map('n', '<A-j>', ':resize -2<CR>', opt)
+map('n', '<A-k>', ':resize +2<CR>', opt)
+map('n', '<A-h>', ':vertical resize -2<CR>', opt)
+map('n', '<A-l>', ':vertical resize +2<CR>', opt)
+
+-- Switch between tabs and spaces
+function toggleIndentStyle()
+    if vim.o.expandtab == true then
+        vim.cmd('set noexpandtab nosmarttab softtabstop& shiftwidth&')
+        vim.cmd('echomsg "Switched to indent with tabs"')
+    else
+        vim.opt.expandtab = true
+        vim.opt.smarttab = true
+        vim.opt.softtabstop = 4
+        vim.opt.shiftwidth = 4
+        vim.cmd('echomsg "Switched to indent with 4 spaces"')
+    end
+end
+map('n', '<A-t>', ':lua toggleIndentStyle()<CR>', opt)
+
+-----------------------
+-- Plugins' bindings --
+-----------------------
+-- Move between tabs
+map('n', '<TAB>', [[<Cmd>BufferLineCycleNext<CR>]], opt)
+map('n', '<S-TAB>', [[<Cmd>BufferLineCyclePrev<CR>]], opt)
+
+-- NvimTree
+map('n', '<C-n>', ':NvimTreeToggle<CR>', opt)

home/.config/nvim/lua/modules/bufferline.lua

@@ -1,14 +1,30 @@
 return require('bufferline').setup {
     options = {
+        numbers = 'none',
         mappings = true,
-        max_name_length = 18,
+        max_name_length = 16,
-        max_prefix_length = 16,
+        max_prefix_length = 14,
-        tab_size = 18,
+        tab_size = 20,
         diagnostics = 'nvim_lsp',
+        show_close_icon = false,
+        show_buffer_icons = true,
         show_tab_indicators = true,
         enforce_regular_tabs = false,
         show_buffer_close_icons = true,
         always_show_bufferline = true,
+        offsets = {
+            {filetype = 'NvimTree', text = 'NvimTree', text_align = 'left'},
+            {filetype = 'packer', text = 'Packer', text_align = 'left'}
+        },
         separator_style = 'thin'
+    },
+
+    highlights = {
+        fill = {
+            guibg = {
+                attribute = 'bg',
+                highlight = 'TabLineFill'
+            }
+        }
     }
 }

home/.config/nvim/lua/modules/dashboard.lua

@@ -9,8 +9,8 @@ local function dashboard_options()
         a = {description = {'  Find File                 SPC f f'}, command = 'Telescope find_files'},
         b = {description = {'  Recents                   SPC f o'}, command = 'Telescope oldfiles'},
         c = {description = {'  Find Word                 SPC f w'}, command = 'Telescope live_grep'},
-        d = {description = {'洛 New File                  SPC f n'}, command = 'DashboardNewFile'},
+        d = {description = {'洛 New File                  SPC b n'}, command = 'DashboardNewFile'},
-        e = {description = {'  Bookmarks                 SPC b m'}, command = 'Telescope marks'},
+        e = {description = {'  Bookmarks                 SPC f m'}, command = 'Telescope marks'},
         f = {description = {'  Load Last Session         SPC s l'}, command = 'SessionLoad'}
     }
     vim.g.dashboard_custom_header = {

home/.config/nvim/lua/modules/gitgutter.lua

@@ -0,0 +1,40 @@
+return require('gitsigns').setup {
+    signs = {
+        add          = {hl = 'DiffAdd'   , text = '', numhl='GitSignsAddNr'},
+        change       = {hl = 'DiffChange', text = '', numhl='GitSignsChangeNr'},
+        delete       = {hl = 'DiffDelete', text = '', numhl='GitSignsDeleteNr'},
+        topdelete    = {hl = 'DiffDelete', text = '', numhl='GitSignsDeleteNr'},
+        changedelete = {hl = 'DiffChange', text = '', numhl='GitSignsChangeNr'}
+    },
+    numhl = true,
+    keymaps = {
+        -- Default keymap options
+        noremap = true,
+        buffer = true,
+
+        ['n ]c'] = { expr = true, '&diff ? \']c\' : \'<cmd>lua require"gitsigns.actions".next_hunk()<CR>\''},
+        ['n [c'] = { expr = true, '&diff ? \'[c\' : \'<cmd>lua require"gitsigns.actions".prev_hunk()<CR>\''},
+
+        ['n <leader>gs'] = '<cmd>lua require"gitsigns".stage_hunk()<CR>',
+        ['v <leader>gs'] = '<cmd>lua require"gitsigns".stage_hunk({vim.fn.line("."), vim.fn.line("v")})<CR>',
+        ['n <leader>gu'] = '<cmd>lua require"gitsigns".undo_stage_hunk()<CR>',
+        ['n <leader>gr'] = '<cmd>lua require"gitsigns".reset_hunk()<CR>',
+        ['v <leader>gr'] = '<cmd>lua require"gitsigns".reset_hunk({vim.fn.line("."), vim.fn.line("v")})<CR>',
+        ['n <leader>gR'] = '<cmd>lua require"gitsigns".reset_buffer()<CR>',
+        ['n <leader>gp'] = '<cmd>lua require"gitsigns".preview_hunk()<CR>',
+        ['n <leader>gb'] = '<cmd>lua require"gitsigns".blame_line(true)<CR>'
+    },
+    watch_index = {
+        interval = 1000,
+        follow_files = true
+    },
+    current_line_blame = false,
+    current_line_blame_delay = 1000,
+    current_line_blame_position = 'eol',
+    sign_priority = 6,
+    update_debounce = 100,
+    status_formatter = nil, -- Use default
+    word_diff = false,
+    use_decoration_api = true,
+    use_internal_diff = true  -- If luajit is present
+}

home/.config/nvim/lua/modules/statusline.lua

@@ -174,28 +174,37 @@ gls.right[5] = {
 }
 
 gls.right[6] = {
-    DiffAdd = {
+    GitSeparator = {
-        provider = 'DiffAdd',
+        provider = function()
-        condition = condition.hide_in_width,
+            return ' '
-        icon = '  ',
+        end,
         highlight = {colors.green, colors.grey1}
     }
 }
 
 gls.right[7] = {
-    DiffModified = {
+    DiffAdd = {
-        provider = 'DiffModified',
+        provider = 'DiffAdd',
         condition = condition.hide_in_width,
-        icon = ' 柳',
+        icon = ' ',
-        highlight = {colors.yellow, colors.grey1}
+        highlight = {colors.green, colors.grey1}
     }
 }
 
 gls.right[8] = {
+    DiffModified = {
+        provider = 'DiffModified',
+        condition = condition.hide_in_width,
+        icon = '柳',
+        highlight = {colors.yellow, colors.grey1}
+    }
+}
+
+gls.right[9] = {
     DiffRemove = {
         provider = 'DiffRemove',
         condition = condition.hide_in_width,
-        icon = '  ',
+        icon = ' ',
         highlight = {colors.red, colors.grey1}
     }
 }

home/.config/nvim/lua/modules/tree.lua

@@ -10,6 +10,35 @@ local function tree_options()
     vim.g.nvim_tree_auto_resize = 0
     -- vim.g.nvim_tree_add_trailing = 1
     vim.g.nvim_tree_lsp_diagnostics = 1
+    vim.g.nvim_tree_icons = {
+        default = '',
+        symlink = '',
+        git = {
+            unstaged = "U",
+            staged = "S",
+            unmerged = "",
+            renamed = "R",
+            untracked = "★",
+            deleted = "D",
+            ignored = "I"
+        },
+        folder = {
+            arrow_open = "",
+            arrow_closed = "",
+            default = "",
+            open = "",
+            empty = "",
+            empty_open = "",
+            symlink = "",
+            symlink_open = ""
+        },
+        lsp = {
+            hint = "",
+            info = "",
+            warning = "",
+            error = ""
+        }
+    }
 end
 
 tree_options()

home/.config/nvim/lua/options.lua

@@ -6,8 +6,6 @@ local function load_options()
     vim.cmd('set iskeyword+=-')
 
     -- General settings
-    opt.termguicolors  = true
-    -- opt.background     = 'dark'
     opt.mouse          = 'a'
     opt.errorbells     = false
     opt.visualbell     = false
@@ -102,7 +100,7 @@ local function load_options()
     opt.signcolumn     = 'yes'
     opt.number         = true
     opt.relativenumber = true
-    opt.numberwidth    = 4
+    -- opt.numberwidth    = 6
 
     -- 4 spaces = 1 tab
     opt.tabstop        = 4

home/.config/nvim/lua/plugins.lua

@@ -52,6 +52,15 @@ return packer.startup(
             end
         }
 
+        -- Git
+        use {
+            'lewis6991/gitsigns.nvim',
+            requires = 'nvim-lua/plenary.nvim',
+            config = function()
+                require('modules.gitgutter')
+            end
+        }
+
         -- LSP
     end
 )