```lua
vim.cmd([[set runtimepath=$VIMRUNTIME]])
vim.cmd([[set packpath=/tmp/nvim/site]])
local package_root = "/tmp/nvim/site/pack"
local install_path = package_root .. "/packer/start/packer.nvim"
local function load_plugins()
    require("packer").startup({
        {
            "wbthomason/packer.nvim",
            {
                "folke/noice.nvim",
                requires = {
                    "MunifTanjim/nui.nvim",
                    "rcarriga/nvim-notify",
                },
            },
        },
        config = {
            package_root = package_root,
            compile_path = install_path .. "/plugin/packer_compiled.lua",
            display = { non_interactive = true },
        },
    })
end
_G.load_config = function()
    vim.o.lazyredraw = false
    require("noice").setup({
        cmdline = {
            enabled = true,
            ---@type table
            format = {
                search_down = {
                    kind = "Search",
                    pattern = "^/",
                    lang = "regex",
                    view = "cmdline",
                },
                inspect = {
                    conceal = true,
                    icon = " ",
                    lang = "lua",
                    pattern = "^:%s*lua =%s*",
                    -- icon=" "
                },
            },
        },
        popupmenu = {
            enabled = true,
            ---@type 'nui'|'cmp'
            backend = "nui",
        },
        notiy = {
            enabled = true,
        },
        messages = {
            enabled = true,
        },
        lsp = {
            hover = {
                enabled = true,
            },
            progress = {
                enabled = false,
            },
            signature = {
                enabled = true,
            },
            message = {
                enabled = true,
            },
            override = {
                -- override the default lsp markdown formatter with Noice
                ["vim.lsp.util.convert_input_to_markdown_lines"] = true,
                -- override the lsp markdown formatter with Noice
                ["vim.lsp.util.stylize_markdown"] = true,
            },
        },
        views = {
            cmdline_popup = {
                position = {
                    row = -2,
                    col = "50%",
                },
                size = {
                    width = math.floor(vim.o.columns * 0.9),
                    height = "auto",
                },
                win_options = {
                    conceallevel = 0,
                },
            },
            popupmenu = {
                -- relative = "editor",
                position = {
                    row = -5,
                    col = "50%",
                },
                size = {
                    width = math.floor(vim.o.columns * 0.9),
                    height = 10,
                },
                border = {
                    style = "rounded",
                    padding = { 0, 1 },
                },
                win_options = {
                    winhighlight = {
                        Normal = "Normal",
                        FloatBorder = "DiagnosticInfo",
                    },
                },
            },
        },
        routes = {
            {
                filter = {
                    event = "msg_show",
                    kind = "",
                    find = "written",
                },
                opts = { skip = true },
            },
        },
    })
end
if vim.fn.isdirectory(install_path) == 0 then
    print("Installing plugins and dependencies.")
    vim.fn.system({
        "git",
        "clone",
        "--depth=1",
        "https://github.com/wbthomason/packer.nvim",
        install_path,
    })
end
load_plugins()
require("packer").sync()
vim.cmd(
    [[autocmd User PackerComplete ++once echo "Ready!" | lua load_config()]]
)
```