nvim: Switch to lua for all the things

tree/.config/nvim/lua/keys.lua

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+local builtin = require('telescope.builtin')
+vim.keymap.set('n', '<leader>ff', builtin.find_files, {})
+vim.keymap.set('n', '<leader>fg', builtin.live_grep, {})
+vim.keymap.set('n', '<leader>fb', builtin.buffers, {})
+vim.keymap.set('n', '<leader>fh', builtin.help_tags, {})
+vim.keymap.set('n', '<leader>fs', builtin.treesitter, {}) -- find symbols
+vim.keymap.set('n', 'U', ":redo<Enter>", {}) -- find symbols

tree/.config/nvim/lua/opts.lua

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+local opt = vim.opt
+
+-- Use system clipboard
+vim.opt.clipboard="unnamedplus"
+
+-- [[ Context ]]
+opt.colorcolumn = '100'           -- str:  Show col for max line length
+opt.number = true                -- bool: Show line numbers
+opt.relativenumber = true        -- bool: Show relative line numbers
+opt.scrolloff = 4                -- int:  Min num lines of context
+opt.signcolumn = "yes"           -- str:  Show the sign column
+
+-- [[ Filetypes ]]
+opt.encoding = 'utf8'            -- str:  String encoding to use
+opt.fileencoding = 'utf8'        -- str:  File encoding to use
+
+-- [[ Theme ]]
+opt.syntax = "ON"                -- str:  Allow syntax highlighting
+opt.termguicolors = true         -- bool: If term supports ui color then enable
+
+-- [[ Search ]]
+opt.ignorecase = true            -- bool: Ignore case in search patterns
+opt.smartcase = true             -- bool: Override ignorecase if search contains capitals
+opt.incsearch = true             -- bool: Use incremental search
+opt.hlsearch = false             -- bool: Highlight search matches
+
+-- [[ Whitespace ]]
+-- opt.expandtab = true             -- bool: Use spaces instead of tabs
+opt.shiftwidth = 4               -- num:  Size of an indent
+opt.softtabstop = 4              -- num:  Number of spaces tabs count for in insert mode
+opt.tabstop = 4                  -- num:  Number of spaces tabs count for
+
+-- [[ Splits ]]
+opt.splitright = true            -- bool: Place new window to right of current one
+opt.splitbelow = true            -- bool: Place new window below the current one
+
+--Set completeopt to have a better completion experience
+-- :help completeopt
+-- menuone: popup even when there's only one match
+-- noinsert: Do not insert text until a selection is made
+-- noselect: Do not select, force to select one from the menu
+-- shortness: avoid showing extra messages when using completion
+-- updatetime: set updatetime for CursorHold
+vim.opt.completeopt = {'menuone', 'noselect', 'noinsert'}
+vim.opt.shortmess = vim.opt.shortmess + { c = true}
+vim.api.nvim_set_option('updatetime', 300)
+
+
+-- Uncomment to enable treesitter folding by default
+--vim.wo.foldmethod = 'expr'
+--vim.wo.foldexpr = 'nvim_treesitter#foldexpr()'
+

tree/.config/nvim/lua/plugins.lua

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+-- vim.cmd([[
+--   augroup packer_user_config
+--     autocmd!
+--     autocmd BufWritePost plugins.lua source <afile> | PackerCompile
+--   augroup end
+-- ]])
+
+return require('packer').startup(function(use)
+  -- Packer can manage itself
+  use 'wbthomason/packer.nvim'
+
+  -- Simple plugins can be specified as strings
+  use 'rstacruz/vim-closer'
+
+  -- Lazy loading:
+  -- Load on specific commands
+  use {'tpope/vim-dispatch', opt = true, cmd = {'Dispatch', 'Make', 'Focus', 'Start'}}
+
+  -- Load on an autocommand event
+  use {'andymass/vim-matchup', event = 'VimEnter'}
+
+  -- Load on a combination of conditions: specific filetypes or commands
+  -- Also run code after load (see the "config" key)
+  use {
+    'w0rp/ale',
+    ft = {'sh', 'zsh', 'bash', 'c', 'cpp', 'cmake', 'html', 'markdown', 'racket', 'vim', 'tex'},
+    cmd = 'ALEEnable',
+    config = 'vim.cmd[[ALEEnable]]'
+  }
+
+  -- Plugins can have dependencies on other plugins
+  use {
+    'haorenW1025/completion-nvim',
+    opt = true,
+    requires = {{'hrsh7th/vim-vsnip', opt = true}, {'hrsh7th/vim-vsnip-integ', opt = true}}
+  }
+
+  -- Plugins can also depend on rocks from luarocks.org:
+  --use {
+  --  'my/supercoolplugin',
+  --  rocks = {'lpeg', {'lua-cjson', version = '2.1.0'}}
+  --}
+
+  -- You can specify rocks in isolation
+  use_rocks 'penlight'
+  use_rocks {'lua-resty-http', 'lpeg'}
+
+  -- Local plugins can be included
+  --use '~/projects/personal/hover.nvim'
+
+  -- Plugins can have post-install/update hooks
+  use {'iamcco/markdown-preview.nvim', run = 'cd app && yarn install', cmd = 'MarkdownPreview'}
+
+  -- Post-install/update hook with neovim command
+  use 'nvim-treesitter/nvim-treesitter'
+
+  -- Post-install/update hook with call of vimscript function with argument
+  use { 'glacambre/firenvim', run = function() vim.fn['firenvim#install'](0) end }
+
+  -- Use specific branch, dependency and run lua file after load
+  --use {
+  --  'glepnir/galaxyline.nvim', branch = 'main', config = function() require'statusline' end,
+  --  requires = {'kyazdani42/nvim-web-devicons'}
+  --}
+
+  -- Use dependency and run lua function after load
+  --use {
+  --  'lewis6991/gitsigns.nvim', requires = { 'nvim-lua/plenary.nvim' },
+  --  config = function() require('gitsigns').setup() end
+  --}
+
+  -- You can specify multiple plugins in a single call
+  use {'tjdevries/colorbuddy.vim', {'nvim-treesitter/nvim-treesitter', opt = true}}
+
+  -- You can alias plugin names
+  use {'dracula/vim', as = 'dracula'}
+
+  -- example plugins above
+  -- my stuff below
+  use 'ellisonleao/gruvbox.nvim'
+  use 'danilamihailov/beacon.nvim'
+
+  -- language server stuff
+  use 'williamboman/mason.nvim'    
+  use 'williamboman/mason-lspconfig.nvim'
+  use 'neovim/nvim-lspconfig' 
+  use 'simrat39/rust-tools.nvim'
+  use 'WhoIsSethDaniel/lualine-lsp-progress.nvim'
+
+  -- Completion framework:
+  use 'hrsh7th/nvim-cmp' 
+
+  -- LSP completion source:
+  use 'hrsh7th/cmp-nvim-lsp'
+
+  -- Useful completion sources:
+  use 'hrsh7th/cmp-nvim-lua'
+  use 'hrsh7th/cmp-nvim-lsp-signature-help'
+  use 'hrsh7th/cmp-vsnip'                             
+  use 'hrsh7th/cmp-path'                              
+  use 'hrsh7th/cmp-buffer'                            
+  use 'hrsh7th/vim-vsnip'
+
+  -- telescope
+  use "nvim-lua/plenary.nvim"
+  use {
+    'nvim-telescope/telescope.nvim', branch = '0.1.x',
+    requires = { {'nvim-lua/plenary.nvim'} }
+  }
+
+  -- status line
+  use {
+    'nvim-lualine/lualine.nvim',
+    requires = { 'nvim-tree/nvim-web-devicons', opt = true }
+  }
+end)

tree/.config/nvim/lua/statusline.lua

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+require('lualine').setup {
+  options = {
+    icons_enabled = true,
+    theme = 'auto',
+    component_separators = { left = '', right = ''},
+    section_separators = { left = '', right = ''},
+    disabled_filetypes = {
+      statusline = {},
+      winbar = {},
+    },
+    ignore_focus = {},
+    always_divide_middle = true,
+    globalstatus = false,
+    refresh = {
+      statusline = 1000,
+      tabline = 1000,
+      winbar = 1000,
+    }
+  },
+  sections = {
+    lualine_a = {'mode'},
+    lualine_b = {'branch', 'diff', 'diagnostics'},
+    lualine_c = {'filename'},
+    lualine_x = {{
+		'lsp_progress',
+	 	timer = { progress_enddelay = 20, spinner = 20, lsp_client_name_enddelay = 20 },
+		}},
+    lualine_y = {'encoding', 'fileformat', 'filetype'},
+    lualine_z = {'location'}
+  },
+  inactive_sections = {
+    lualine_a = {},
+    lualine_b = {},
+    lualine_c = {'filename'},
+    lualine_x = {'location'},
+    lualine_y = {},
+    lualine_z = {}
+  },
+  tabline = {},
+  winbar = {},
+  inactive_winbar = {},
+  extensions = {}
+}

tree/.config/nvim/lua/theme.lua

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+-- setup must be called before loading the colorscheme
+-- Default options:
+require("gruvbox").setup({
+  terminal_colors = true, -- add neovim terminal colors
+  undercurl = true,
+  underline = true,
+  bold = true,
+  italic = {
+    strings = true,
+    emphasis = true,
+    comments = true,
+    operators = false,
+    folds = true,
+  },
+  strikethrough = true,
+  invert_selection = false,
+  invert_signs = false,
+  invert_tabline = false,
+  invert_intend_guides = false,
+  inverse = true, -- invert background for search, diffs, statuslines and errors
+  contrast = "", -- can be "hard", "soft" or empty string
+  palette_overrides = {},
+  overrides = {},
+  dim_inactive = false,
+  transparent_mode = false,
+})
+
+vim.o.background = "dark" -- or "light" for light mode
+
+vim.cmd([[colorscheme gruvbox]])

tree/.config/nvim/lua/vars.lua

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+local g = vim.g
+
+g.t_co = 256
+g.background = "dark"