dotfiles/nvim/init.lua

-- install Lazy
local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
if not vim.loop.fs_stat(lazypath) then
  vim.fn.system({
    "git",
    "clone",
    "--filter=blob:none",
    "https://github.com/folke/lazy.nvim.git",
    "--branch=stable", -- latest stable release
    lazypath,
  })
end
vim.opt.rtp:prepend(lazypath)

-- define plugins
require("lazy").setup({
  "bitc/vim-bad-whitespace",
  "lewis6991/gitsigns.nvim",
  "numToStr/Comment.nvim",
  "NvChad/nvim-colorizer.lua",
  "nvim-lualine/lualine.nvim",
  "nvim-treesitter/nvim-treesitter",
  "tanvirtin/monokai.nvim",
  { "nvim-telescope/telescope.nvim",
    dependencies = { 'nvim-lua/plenary.nvim' }
  }
})

-- start & setup plugins
-- colorscheme has to be first
require("monokai").setup()
require("gitsigns").setup({
  signs = {
    add = { text = "▎" },
    change = { text = "▎" },
    delete = { text = "▎" },
    topdelete = { text = "契" },
    changedelete = { text = "▎" },
    untracked = { text = "▎" },
  },
})
require("Comment").setup()
require("colorizer").setup()
require("lualine").setup({
  options = {
    component_separators = '',
    icons_enabled = false,
    section_separators = '',
    theme = "powerline",
  },
  sections = {
    lualine_a = { "mode" },
    lualine_b = { { "filename", file_status = true, path = 1 } },
    lualine_c = { "branch" },
    lualine_x = { "filetype" },
    lualine_y = { "progress" },
    lualine_z = { "location" },
  },
})
require("nvim-treesitter.configs").setup({
    build = ":TSUpdate",
    ensure_installed = { "bash", "python", "terraform", "vim", "yaml" },
    highlight = { enable = true },
})

-- modify colorcheme
vim.api.nvim_set_hl(0, "Normal", { bg = NONE })
vim.api.nvim_set_hl(0, "NonText", { bg = NONE })
vim.api.nvim_set_hl(0, "BadWhitespace", { bg = "#770000" })
vim.api.nvim_set_hl(0, "ColorColumn", { bg = "#770000" })
vim.api.nvim_set_hl(0, "DiffChange", { bg = NONE, fg = "#e7c547" })
vim.api.nvim_set_hl(0, "DiffText", { bg = NONE, fg = "#ff8700" })
vim.api.nvim_set_hl(0, "LineNr", { bg = NONE, fg = "#465457" })
vim.api.nvim_set_hl(0, "Visual", { bg = "#005577", fg = "#ffffff" })
vim.api.nvim_set_hl(0, "SpellBad", { bg = "#770000", fg = "#ffffff" })

-- global options
vim.opt.cursorline = true
vim.opt.expandtab = true
vim.opt.gdefault = true
vim.opt.hlsearch = false
vim.opt.ignorecase = true
vim.opt.number = true
vim.opt.shiftround = true
vim.opt.showmode = false
vim.opt.smartcase = true
vim.opt.splitbelow = true
vim.opt.splitright = true
vim.opt.termguicolors = true
vim.opt.writebackup = false
vim.opt.clipboard = ""
vim.opt.mouse = ""
vim.opt.tabstop = 2
vim.opt.scrolloff = 5
vim.opt.updatetime = 100
vim.opt.shiftwidth = 2
vim.opt.showtabline = 0
vim.opt.softtabstop = 2

-- configure mappings
vim.g.mapleader = " "
vim.keymap.set("i", "<C-a>", "<esc>I", { silent = true })
vim.keymap.set("i", "<C-e>", "<esc>A", { silent = true })
vim.keymap.set("n", "<esc><cr>", "<esc>:wq!<cr>", { silent = true })
vim.keymap.set("n", "<leader>c", ':execute "set colorcolumn=" . (&colorcolumn == "" ? "80,120" : "")<cr>', { silent = true })
vim.keymap.set("n", "<leader>ff", require("telescope.builtin").find_files, {})
vim.keymap.set("n", "<leader>fg", require("telescope.builtin").live_grep, {})
vim.keymap.set("n", "<leader>h", ":set hlsearch!<cr>", { silent = true })
vim.keymap.set("n", "<leader>n", ":set nonumber!<cr>:Gitsigns toggle_signs<cr>", { silent = true })
vim.keymap.set("n", "<leader>s", ":set spell!<cr>", { silent = true })
vim.keymap.set("n", "<tab>", "<C-w>w", { silent = true })

-- autocmd
vim.api.nvim_create_autocmd({"BufEnter", "BufWinEnter"}, {
  pattern = {"*.gotmpl"},
  callback = function() vim.bo.filetype = "yaml" end,
})