init.lua

do
    -- Specifies where to install/use rocks.nvim
    local install_location = vim.fs.joinpath(vim.fn.stdpath('data'), 'rocks')
    local luarocks_path = vim.fn.exepath('luarocks')

    -- Set up configuration options related to rocks.nvim (recommended to leave as default)
    local rocks_config = {
        rocks_path = vim.fs.normalize(install_location),
        luarocks_binary = luarocks_path,
    }

    vim.g.rocks_nvim = rocks_config

    -- Configure the package path (so that plugin code can be found)
    local luarocks_path = {
        vim.fs.joinpath(rocks_config.rocks_path, 'share', 'lua', '5.1', '?.lua'),
        vim.fs.joinpath(rocks_config.rocks_path, 'share', 'lua', '5.1', '?', 'init.lua'),
    }
    package.path = package.path .. ';' .. table.concat(luarocks_path, ';')

    -- Configure the C path (so that e.g. tree-sitter parsers can be found)
    local luarocks_cpath = {
        vim.fs.joinpath(rocks_config.rocks_path, 'lib', 'lua', '5.1', '?.so'),
        vim.fs.joinpath(rocks_config.rocks_path, 'lib64', 'lua', '5.1', '?.so'),
    }
    package.cpath = package.cpath .. ';' .. table.concat(luarocks_cpath, ';')

    -- Load all installed plugins, including rocks.nvim itself
    vim.opt.runtimepath:append(
        vim.fs.joinpath(rocks_config.rocks_path, 'lib', 'luarocks', 'rocks-5.1', 'rocks.nvim', '*')
    )
end

-- If rocks.nvim is not installed then install it!
if not pcall(require, 'rocks') then
    local rocks_location = vim.fs.joinpath(vim.fn.stdpath('cache'), 'rocks.nvim')

    if not vim.uv.fs_stat(rocks_location) then
        -- Pull down rocks.nvim
        vim.fn.system({
            'git',
            'clone',
            '--filter=blob:none',
            'https://github.com/nvim-neorocks/rocks.nvim',
            rocks_location,
        })
    end

    -- If the clone was successful then source the bootstrapping script
    assert(vim.v.shell_error == 0, 'rocks.nvim installation failed. Try exiting and re-entering Neovim!')

    vim.cmd.source(vim.fs.joinpath(rocks_location, 'bootstrap.lua'))

    vim.fn.delete(rocks_location, 'rf')
end

local fmt = string.format

local success, _ = pcall(require, 'settings')
if not success then
    vim.notify(fmt('Error loading settings: %s', vim.inspect(success)), vim.log.levels.WARN)
end

require('mappings')