nixos/config/nvim.lua

-- {{{ plugins
local gh = "https://github.com/"
local plugins = {
  { src = gh .. "MunifTanjim/nui.nvim", name = "nui" },
  { src = gh .. "catgoose/nvim-colorizer.lua", name = "colorizer" }, -- show colours of colour codes
  { src = gh .. "echasnovski/mini.nvim", name = "mini" }, -- a bunch of useful plugins
  { src = gh .. "folke/noice.nvim", name = "noice" },
  { src = gh .. "folke/snacks.nvim", name = "snacks" },
  { src = gh .. "kdheepak/lazygit.nvim", name = "lazygit" },
  { src = gh .. "nvim-lua/plenary.nvim", name = "plenary" },
  { src = gh .. "stevearc/conform.nvim", name = "conform" },
  { src = gh .. "folke/which-key.nvim", name = "whichkey" },
  { src = gh .. "mikavilpas/yazi.nvim", name = "yazi" },
  { src = gh .. "nvimdev/dashboard-nvim", name = "dashboard" },
  { src = gh .. "Dan7h3x/neaterm.nvim", name = "neaterm" },
}

vim.pack.add(plugins)
local function update_plugins()
  local plist = {}
  for _, v in ipairs(plugins)
  do
    table.insert(plist, v.name)
  end
  vim.pack.update(plist)
end -- }}}
-- {{{ Helper functions
function R(name)
  require("plenary.reload").reload_module(name)
end
-- }}}

-- {{{ Global settings
vim.g.mapleader = " "
vim.g.maplocalleader = " "
vim.g.have_nerd_font = true
-- Common defaults
vim.opt.clipboard = "unnamedplus"
vim.opt.cursorline = true
vim.opt.expandtab = true
vim.opt.hlsearch = true
vim.opt.inccommand = "split"
vim.opt.modeline = true
vim.opt.mouse = "a"
vim.opt.number = true
vim.opt.preserveindent = true
vim.opt.relativenumber = true
vim.opt.ruler = true
vim.opt.scrolloff = 5
vim.opt.shiftwidth = 2
vim.opt.showmode = true
vim.opt.showtabline = 1
vim.opt.softtabstop = 2
vim.opt.tabstop = 2
vim.opt.termguicolors = true
vim.opt.listchars = { tab = "» ", trail = "·", nbsp = "␣" }
vim.opt.inccommand = "split"
-- Set foldmethod, change in .editorconfig of projects
vim.opt.foldmethod = "marker"
-- General gui settings
vim.o.guifont = "JetBrainsMono Nerd Font:12"
vim.cmd.colorscheme "evening"
-- }}}

require("snacks").setup({ -- {{{
  animate = {},
  dim = {},
  image = {},
  indent = {},
  lazygit = {},
  picker = {},
})                         -- }}}
require("colorizer").setup({})
require("conform").setup({ -- {{{
  formatters_by_ft = {
    nix = { "nixfmt" },
  },
})
vim.g.snacks_animate = true -- }}}
require("noice").setup({ -- {{{
  lsp = {
    override = {
      ["vim.lsp.util.convert_input_to_markdown_lines"] = true,
      ["vim.lsp.util.stylize_markdown"] = true,
    },
  },
  popupmenu = {
    enabled = true,
    backend = "nui",
  },
  notify = {
    enabled = true,
    view = "notify",
  },
  routes = {
    {
      view = "notify",
      filter = { event = "msg_showmode" },
    },
  },
})                      -- }}}
require("yazi").setup({ -- {{{
  open_for_directories = true,
  keymaps = {
    show_help = "<f1>",
  },
})
vim.g.loaded_netrwPlugin = 1 -- }}}
require("dashboard").setup({ -- {{{
  theme = "hyper",
  config = {
    shortcut = {
      { desc = "󰊳 Update ", group = "@property", key = "u", action = update_plugins },
      { desc = " Projects ", group = "label", key = "p", action = Snacks.picker.projects },
      { desc = "󰪶 Files ", group = "OkMsg", key = "f", action = Snacks.picker.files },
      { desc = "󰿅 Quit ", group = "ErrorMsg", key = "q", action = ":q" },
    },
    packages = { enable = false }, -- show number of installed plugins
    project = { enable = true, limit = 8, label = "", action = Snacks.picker.projects },
  },
})                           -- }}}
require("which-key").setup({ -- {{{
  preset = "modern",
})                           -- }}}
require("neaterm").setup() -- {{{
-- Done neaterm }}}
-- Filetype configuration {{{
vim.filetype.add({
  extension = {
    Containerfile = "dockerfile",
    Dockerfile = "dockerfile",
    containerfile = "containerfile",
    dockerfile = "dockerfile",
    j2 = "jinja",
    jinja = "jinja",
    jinja2 = "jinja",
    tf = "terraform",
    tfstate = "json",
    tfvars = "terraform",
    templ = "templ",
  },
}) -- }}}
-- {{{ LSP Configuration
local lspproto = vim.lsp.protocol
local capabilities = lspproto.make_client_capabilities()
-- Formatter autocmd
vim.api.nvim_create_autocmd({ "BufWritePre" }, {
  callback = function(args)
    require("conform").format({ bufnr = args.buf })
  end,
})
-- Simple lspconfigs
vim.lsp.config("bashls", capabilities)
vim.lsp.enable("bashls")

vim.lsp.config("dockerls", capabilities)
vim.lsp.enable("dockerls")

vim.lsp.config("lua_ls", { -- {{{
  on_init = function(client)
    if client.workspace_folders then
      local path = client.workspace_folders[1].name
      if vim.uv.fs_stat(path .. "/.luarc.json") or vim.uv.fs_stat(path .. "/.luarc.jsonc") then
        return
      end
    end
    client.config.settings.Lua = vim.tbl_deep_extend("force", client.config.settings.Lua, {
      runtime = { version = "LuaJIT" },
      workspace = { checkThirdParty = false, library = { vim.env.VIMRUNTIME, "''${3rd}/luv/library" } },
      format = { enable = true, defaultConfig = { indent_style = "space", indent_size = "2" } },
      diagnostics = { globals = { "vim", "Snacks", "MiniSessions", "MiniPick", "MiniStatusline" } },
    })
  end,
  settings = {
    Lua = {}
  }
})
vim.lsp.enable("lua_ls") -- }}}

vim.lsp.config("nginx_language_server", capabilities)
vim.lsp.enable("nginx_language_server")

vim.lsp.config("nixd", capabilities)
vim.lsp.enable("nixd")

vim.lsp.config("systemd-language-server", capabilities)
vim.lsp.enable("systemd-language-server")

vim.lsp.config("yamlls", {
  format = { enable = true, bracketSpacing = true },
})
vim.lsp.enable("yamlls")

 -- end LSPConfig }}}

-- {{{ mini.nvim setup
require("mini.basics").setup()
require("mini.ai").setup({ n_lines = 200 })
require("mini.align").setup()
require("mini.completion").setup()
require("mini.diff").setup()
require("mini.extra").setup()
require("mini.git").setup()
require("mini.icons").setup()
require("mini.move").setup()
require("mini.operators").setup()
require("mini.pairs").setup()
require("mini.snippets").setup()
require("mini.splitjoin").setup()
require("mini.statusline").setup({
  content = {
    active = function()
      local check_macro_recording = function()
        if vim.fn.reg_recording() ~= "" then
          return "@" .. vim.fn.reg_recording()
        else
          return ""
        end
      end

      -- configure statusline for active windows
      local mode, mode_hl = MiniStatusline.section_mode { trunc_width = 120 }
      local git = MiniStatusline.section_git { trunc_width = 40 }
      local diff = MiniStatusline.section_diff { trunc_width = 75 }
      local diagnostics = MiniStatusline.section_diagnostics { trunc_width = 75 }
      local lsp = MiniStatusline.section_lsp { trunc_width = 75 }
      local filename = MiniStatusline.section_filename { trunc_width = 140 }
      local fileinfo = MiniStatusline.section_fileinfo { trunc_width = 120 }
      local location = MiniStatusline.section_location { trunc_width = 75 }
      local search = MiniStatusline.section_searchcount { trunc_width = 75 }
      local macro = check_macro_recording()

      return MiniStatusline.combine_groups {
        { hl = mode_hl,                 strings = { mode } },
        { hl = "MiniStatuslineDevinfo", strings = { git, diff, diagnostics, lsp } },
        "%<", -- Mark general truncate point
        { hl = "MiniStatuslineFilename", strings = { filename } },
        "%=", -- End left alignment
        { hl = "MiniStatuslineFilename", strings = { macro } },
        { hl = "MiniStatuslineFileinfo", strings = { fileinfo } },
        { hl = mode_hl,                  strings = { search, location } },
      }
    end,
    use_icons = true,
    set_vim_settings = true,
  },
}) -- }}}
-- {{{ which-key config
local wk = require("which-key")
local wke = require("which-key.extras")
wk.add({
  { -- Normal Mode
    { "<Tab>",      ">>",                 desc = "increase tab depth of line" },
    { "<S-Tab>",    "<<",                 desc = "decrease tab depth of line" },

    -- file group
    { "<leader>f",  group = "file" },
    { "<leader>fb", "<cmd>Yazi<cr>",      desc = "[f]ile [b]rowser" },
    { "<leader>fd", "<cmd>Yazi cwd<cr>",  desc = "[f]ile browser for current [d]irectory" },
    { "<leader>fp", Snacks.picker.files,  desc = "[f]ile [p]icker" },
    { "<leader>fg", Snacks.picker.grep,   desc = "[f]ile [g]rep picker" },
    { "<leader>fz", Snacks.picker.zoxide, desc = "[f]ile [z]oxide picker" },

    -- buffer group
    {
      "<leader>b",
      group = "buffers",
      expand = function()
        return wke.expand.buf()
      end
    },
    { "<leader>be",  "<cmd>e %<cr>",                      desc = "[b]uffer r[e]load" },
    { "<leader>bp",  Snacks.picker.buffers,               desc = "[b]uffer [p]icker" },
    { "<leader>bl",  Snacks.picker.lines,                 desc = "[b]uffer pick [l]ine" },

    -- project group
    { "<leader>pp",  Snacks.picker.projects,              desc = "[p]ick [p]roject" },

    -- help group
    { "<leader>h",   group = "help" },
    { "<leader>hh",  Snacks.picker.help,                  desc = "[h]pick [h]elp" },
    { "<leader>hk",  Snacks.picker.keymaps,               desc = "[h]pick [k]eymaps" },
    { "<leader>hi",  Snacks.picker.icons,                 desc = "[h]pick icon" },

    -- git group
    { "<leader>g",   group = "git" },
    { "<leader>gi",  "<cmd>LazyGit<CR>",                  desc = "lazy[g][i]t open" },
    { "<leader>gc",  "<cmd>LazyGitCurrentFile<CR>",       desc = "lazy[g]it [c]urrent file" },
    { "<leader>go",  "<cmd>LazyGitConfig<CR>",            desc = "lazy[g]it c[o]nfig" },
    { "<leader>gl",  "<cmd>LazyGitLog<CR>",               desc = "Lazy[g]it [l]og" },

    -- lsp group
    { "<leader>l",   group = "LSP" },
    { "<leader>lh",  vim.lsp.buf.hover,                   desc = "[l]sp [h]over Documentation" },
    { "<leader>ls",  vim.lsp.buf.signature_help,          desc = "[l]sp [s]ignature help" },
    { "<leader>lr",  vim.lsp.buf.rename,                  desc = "[l]sp [r]ename" },
    { "<leader>lf",  vim.lsp.buf.format,                  desc = "[l]sp [f]ormat buffer" },
    { "<leader>lgD", Snacks.picker.lsp_declarations,      desc = "[l]sp [g]oto [D]eclaration" },
    { "<leader>lgI", Snacks.picker.lsp_implementations,   desc = "[l]sp [g]oto [I]mplementation" },
    { "<leader>lgS", Snacks.picker.lsp_workspace_symbols, desc = "[l]sp [g]oto workspace [S]ymbol" },
    { "<leader>lgd", Snacks.picker.lsp_definitions,       desc = "[l]sp [g]oto [d]efinition" },
    { "<leader>lgr", Snacks.picker.lsp_references,        desc = "[l]sp [g]oto [r]eferences" },
    { "<leader>lgs", Snacks.picker.lsp_symbols,           desc = "[l]sp [g]oto document [s]ymbol" },
    { "<leader>lde", vim.diagnostic.open_float,           desc = "[l]sp [d]iagnostic [e]rror messages" },
    { "<leader>ldq", vim.diagnostic.setloclist,           desc = "[l]sp [d]iagnostic [q]uickfix list" },

    -- diagnostics
    {
      "[d",
      function() vim.diagnostic.jump({ count = -1, float = true }) end,
      desc = "goto previous [d]iagnostic message"
    },
    {
      "]d",
      function() vim.diagnostic.jump({ count = 1, float = true }) end,
      desc = "goto next [d]iagnostic message"
    },

    -- misc
    { "<Esc>",      ":nohl<CR>",              desc = "Clear Highlights" },
    { "<leader>rr", ":source %<CR>",          desc = "sou[r]ce cu[r]rent file as neovim lua" },
  },
  { -- Visual Mode
    mode = "v",
    { "<Tab>",   ">>", desc = "increase tab depth of selection" },
    { "<S-Tab>", "<<", desc = "decrease tab depth of selection" },
  },
  { -- Insert Mode
    mode = "i",
    { "<C-i>",   vim.lsp.buf.signature_help, desc = "signature help" },
    { "<C-d>",   vim.lsp.buf.hover,          desc = "Hover [d]ocumentation" },
    { "<Tab>",   "<C-t>",                    desc = "restore tab functionality" },
    { "<S-Tab>", "<C-d>",                    desc = "restore de-tab functionality" },
  },
  { -- Terminal Mode
    mode = "t",
    { "<Esc>", "<C-\\><C-n>",                 desc = "Exit terminal mode" },
    -- Window navigation
    { "<C-h>", "<C-\\><C-n><C-w>h",           desc = "Navigate to left window" },
    { "<C-j>", "<C-\\><C-n><C-w>j",           desc = "Navigate to lower window" },
    { "<C-k>", "<C-\\><C-n><C-w>k",           desc = "Navigate to upper window" },
    { "<C-l>", "<C-\\><C-n><C-w>l",           desc = "Navigate to right window" },
    -- Tab navigation
    { "<M-h>", "<C-\\><C-n><cmd>tabprev<CR>", desc = "Navigate to previous tab" },
    { "<M-l>", "<C-\\><C-n><cmd>tabnext<CR>", desc = "Navigate to next tab" },
  },
  { -- Normal, Insert mode
    mode = { "n", "i" },
    -- Window navigation
    { "<C-h>", "<C-w>h",           desc = "Navigate to left window" },
    { "<C-j>", "<C-w>j",           desc = "Navigate to lower window" },
    { "<C-k>", "<C-w>k",           desc = "Navigate to upper window" },
    { "<C-l>", "<C-w>l",           desc = "Navigate to right window" },
    -- Tab navigation
    { "<M-h>", "<cmd>tabprev<CR>", desc = "Navigate to previous tab" },
    { "<M-l>", "<cmd>tabnext<CR>", desc = "Navigate to next tab" },
  },
}) -- }}}