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path: root/.config/nvim/init.lua
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-- [[ baic opts ]]
vim.g.mapleader = " "
vim.o.ignorecase = true
vim.o.smartcase = true
vim.wo.number = true
vim.wo.relativenumber = true
vim.o.clipboard = "unnamedplus"
vim.o.breakindent = true
vim.o.undofile = true
vim.o.mouse = false
vim.o.guicursor = false
vim.o.termguicolors = true
vim.wo.signcolumn = "yes"

-- [[ lib ]]
mapnl = function(lhs, rhs, opts)
  vim.keymap.set("n", "<leader>" .. lhs, rhs, opts)
end

-- [[ keybindings ]]
mapnl("cc", function()
  if vim.api.nvim_get_option_value("colorcolumn", {}) == "" then
    vim.api.nvim_set_option_value("colorcolumn", "79", {})
  else
    vim.api.nvim_set_option_value("colorcolumn", "", {})
  end
end)

-- [[ package manager ]]
local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
local lazylock = vim.fn.stdpath("data") .. "/lazy/lazy-lock.json"
if not vim.loop.fs_stat(lazypath) then
  local lazyrepo = "https://github.com/folke/lazy.nvim.git"
  vim.print("downloading " .. lazyrepo)
  vim.fn.system({
    "git",
    "clone",
    "--filter=blob:none",
    lazyrepo,
    "--branch=stable", -- latest stable release
    lazypath,
  })
  vim.api.nvim_echo({}, false, {})
end
vim.opt.rtp:prepend(lazypath)

-- [[ plugin setup ]]
require("lazy").setup({
  "tpope/vim-fugitive",
  "tpope/vim-sleuth",
  { "numToStr/Comment.nvim", opts = {} },
  { "nvim-treesitter/nvim-treesitter", build = ":TSUpdate" },

  {
    "nvim-lualine/lualine.nvim",
    dependencies = { "nvim-tree/nvim-web-devicons" },
    opts = {
      options = {
        component_separators = "|",
        section_separators = "",
      },
    },
  },

  {
    "navarasu/onedark.nvim",
    priority = 1000,
    opts = { transparent = true },
    config = function(_, opts)
      require("onedark").setup(opts)
      vim.cmd.colorscheme "onedark"
    end,
  },

  {
    "lewis6991/gitsigns.nvim",
    opts = {
      signs = {
        add = { text = "+" },
        change = { text = "~" },
        delete = { text = "_" },
        topdelete = { text = "‾" },
        changedelete = { text = "~" },
      },
      on_attach = function(bufnr)
        mapnl("gp", require("gitsigns").prev_hunk, { buffer = bufnr })
        mapnl("gn", require("gitsigns").next_hunk, { buffer = bufnr })
        mapnl("ph", require("gitsigns").preview_hunk, { buffer = bufnr })
      end,
    },
  },

  {
    "VonHeikemen/lsp-zero.nvim",
    branch = "v2.x",
    dependencies = {
      {"neovim/nvim-lspconfig"},
      {"hrsh7th/nvim-cmp"},
      {"hrsh7th/cmp-nvim-lsp"},
      {"L3MON4D3/LuaSnip"},
    },
  },
}, { lockfile = lazylock })

-- [[ treesitter setup  ]]
require("nvim-treesitter.configs").setup {
  ensure_installed = {
    "c",
    "bash",
    "nix",
    "lua",
    "markdown",
    "regex",
  },
  sync_install = false,
  auto_install = false,
  highlight = { enable = true },
  indent = { enable = true },
  incremental_selection = {
    enable = true,
    keymaps = {
      init_selection = "<leader>i",
      node_incremental = "<leader>i",
      node_decremental = "<leader>d",
    },
  }
}

-- [[ lsp setup ]]
local lsp = require("lsp-zero").preset{}
lsp.on_attach(function(_, bufnr)
  lsp.default_keymaps({buffer = bufnr})
end)

require("lspconfig").ccls.setup{}
require("lspconfig").bashls.setup{}
require("lspconfig").nil_ls.setup{}
require("lspconfig").lua_ls.setup(lsp.nvim_lua_ls())

lsp.setup()