nix-config/home/neovim/init.lua

-- luacheck: globals vim

require("packer").startup(function(use)
	use("tpope/vim-sensible")

	use("vimwiki/vimwiki")
	use("freitass/todo.txt-vim")
	use("ledger/vim-ledger")

	use("Shougo/deoplete.nvim")
	use("dense-analysis/ale")

	use("psliwka/vim-smoothie")

	-- navigation
	use("easymotion/vim-easymotion")
	use("tpope/vim-unimpaired")
	use("tpope/vim-surround")
	use("christoomey/vim-tmux-navigator")

	-- fern
	use("lambdalisue/fern.vim")
	use("lambdalisue/nerdfont.vim")
	use("lambdalisue/fern-renderer-nerdfont.vim")
	use("lambdalisue/glyph-palette.vim")
	use("lambdalisue/fern-git-status.vim")
	use("lambdalisue/fern-mapping-git.vim") -- to check
	use("lambdalisue/fern-hijack.vim")

	-- airline
	use("vim-airline/vim-airline")
	use("vim-airline/vim-airline-themes")

	use("tpope/vim-fugitive")
	use("airblade/vim-gitgutter")

	use("honza/vim-snippets")
	use("SirVer/ultisnips")

	use("junegunn/fzf.vim")

	use("junegunn/goyo.vim")
	use("junegunn/limelight.vim")

	use("preservim/nerdcommenter")

	use("luochen1990/rainbow")
	use("ap/vim-css-color")

	use("Yggdroot/indentLine")

	use("gruvbox-community/gruvbox")

	-- language support
	use("darrikonn/vim-gofmt")
	use("Glench/Vim-Jinja2-Syntax")
	use("preservim/vim-markdown")
	use("LnL7/vim-nix")
	use("hashivim/vim-terraform")
	use("LaTeX-Box-Team/LaTeX-Box")
	use("vito-c/jq.vim")
	use("tpope/vim-haml")
	use({ "psf/black", branch = "stable" })
	use("elzr/vim-json")
	use("z0mbix/vim-shfmt")
	use("ckipp01/stylua-nvim")

	use("jpalardy/vim-slime")
	use("neovim/nvim-lspconfig")
	use("lukas-reineke/lsp-format.nvim")

	use("sheerun/vim-polyglot")
end)

local o = vim.opt

local function map(mode, shortcut, command)
	vim.api.nvim_set_keymap(mode, shortcut, command, { noremap = true, silent = true })
end

local function nmap(shortcut, command)
	map("n", shortcut, command)
end

--local function imap(shortcut, command)
--    map("i", shortcut, command)
--end

o.wrap = false
o.number = true
o.compatible = false
o.mouse = "a" -- mouse support
o.showcmd = true -- show incomplete cmds down the bottom
o.showmode = true -- show current mode
o.showmatch = true -- set show matching parenthesis
o.visualbell = true -- no sounds
o.autoread = true -- reload files changed outside of vim
o.backspace = [[indent,eol,start]] -- allow backspacing over everything in insert mode
o.ignorecase = true -- ignore case when searching
o.shiftround = true -- use multiple of shiftwidth when indenting with '<' and '>'
o.smartcase = true -- ignore case if searching pattern is all lowecase, case-sensitive otherwise
o.smarttab = true -- insert tabs on the start of a line according to shiftwidth, not tabstop
o.hlsearch = true -- highlight search terms
o.incsearch = true -- show search matches as you type
o.hidden = true
o.ruler = true
o.clipboard = "unnamed" -- system clipboard
o.colorcolumn = "80"

vim.cmd("syntax on")
vim.cmd("filetype plugin on")

if vim.fn.has("multi_byte") == 1 and vim.o.encoding == "utf-8" then
	o.listchars = [[tab:▸ ,extends:❯,precedes:❮,nbsp:±,trail:…]]
else
	o.listchars = [[tab:> ,extends:>,precedes:<,nbsp:.,trail:_]]
end

vim.g.mapleader = ","
vim.g.maplocaleader = "\\"

o.splitbelow = true
o.splitright = true
nmap("<A-r>", "<C-w>r")

nmap("<A-1>", "1gt")
nmap("<A-2>", "2gt")
nmap("<A-3>", "3gt")
nmap("<A-4>", "4gt")
nmap("<A-5>", "5gt")
nmap("<A-6>", "6gt")
nmap("<A-7>", "7gt")
nmap("<A-8>", "8gt")
nmap("<A-9>", ":tablast<cr>")

nmap("<C-l>", ":nohl<CR><C-l>")

-- todo: try to do it with `vim.api.nvim_set_hl`
vim.cmd("hi CursorLine cterm=NONE,underline ctermbg=NONE") -- highlight line when in insert mode

o.timeoutlen = 1000
o.ttimeoutlen = 0

vim.cmd("autocmd InsertEnter * :set cursorline")
vim.cmd("autocmd InsertLeave * :set nocursorline")

-- indentation
vim.cmd("filetype indent on")
o.softtabstop = 4
o.expandtab = true
o.shiftwidth = 4
o.tabstop = 4
o.autoindent = true
o.copyindent = true

-- folds
o.foldmethod = "indent"
o.foldnestmax = 3
o.foldenable = false

o.termguicolors = true
vim.g.gruvbox_contrast_dark = "hard"
vim.g.gruvbox_contrast_light = "hard"
vim.g.gruvbox_italic = 1
vim.g.gruvbox_invert_indent_guides = 1
vim.g.gruvbox_vert_split = "bg1"
vim.cmd("colorscheme gruvbox")
o.background = "dark"

vim.g.markdown_syntax_conceal = 0

o.updatetime = 100 -- to make gigutter more responsive

vim.g["fern#renderer"] = "nerdfont"
vim.cmd([[
function! s:init_fern() abort
    nmap <buffer> T <Plug>(fern-action-open:tab)
    nmap <buffer> S <Plug>(fern-action-open:split)
    nmap <buffer> V <Plug>(fern-action-open:vsplit)
    nmap <buffer> <Space> <Plug>(fern-action-mark:toggle)
endfunction

augroup fern-custom
  autocmd! *
  autocmd FileType fern call s:init_fern()
augroup END

augroup my-glyph-palette
  autocmd! *
  autocmd FileType fern call glyph_palette#apply()
  autocmd FileType nerdtree,startify call glyph_palette#apply()
augroup END
]])
nmap("<leader>t", ":Fern . -drawer -toggle<cr>")
nmap("<leader>f", ":Files<cr>")
nmap("<leader>rg", ":Rg<cr>")
nmap("<leader><Bs>", ": cd ..<cr>")
nmap("<leader>b", ": Buffers<cr>")

vim.g["indentLine_char"] = "▏"
vim.g["indentLine_setConceal"] = 0

vim.g["slime_target"] = "tmux"
vim.g["slime_python_ipython"] = 1

vim.g["tmux_navigator_no_mappings"] = 1
nmap("<A-h>", ":TmuxNavigateLeft<cr>")
nmap("<A-j>", ":TmuxNavigateDown<cr>")
nmap("<A-k>", ":TmuxNavigateUp<cr>")
nmap("<A-l>", ":TmuxNavigateRight<cr>")

vim.g["airline_theme"] = "base16_gruvbox_dark_hard"
vim.g["airline#extensions#tabline#enabled"] = 1
vim.g["airline#extensions#ale#enabled"] = 1

vim.g["ale_lint_on_text_changed"] = "never"
vim.g["ale_lint_on_insert_leave"] = 0
vim.g["ale_lint_on_enter"] = 0

vim.g["deoplete#enable_at_startup"] = 1

-- vim.g["black_virtualenv"] = "/Users/rilla/virtualenvs/black"

vim.g["shfmt_extra_args"] = "-i 4"
vim.g["NERDDefaultAlign"] = "left"

vim.g["UltiSnipsExpandTrigger"] = "<tab>"
vim.g["UltiSnipsJumpForwardTrigger"] = "<c-b>"
vim.g["UltiSnipsJumpBackwardTrigger"] = "<c-z>"

local formatters = {
	go = ":GoFmt<CR>",
	json = ":%!jq --indent 4 .<CR>",
	nix = ":%!nixfmt < %<CR>",
	-- python = ":Black<CR>",
	python = [[<cmd>lua vim.lsp.buf.format()<CR>]],
	sh = ":Shfmt<CR>",
	sql = ":%!sqlfluff fix -<CR>",
	terraform = ":TerraformFmt<CR>",
	lua = [[<cmd>lua require("stylua-nvim").format_file()<CR>]],
}

for pattern, command in pairs(formatters) do
	vim.api.nvim_create_autocmd("FileType", {
		pattern = pattern,
		callback = function()
			nmap("<C-f>", command)
		end,
	})
end

require("lspconfig").pyright.setup({})

require("lspconfig").efm.setup({
	init_options = { documentFormatting = true },
	settings = {
		rootMarkers = { ".git/", "pyproject.toml" },
		languages = {
			python = { { formatCommand = "black -", formatStdin = true } },
		},
	},
})