nvim/lua/plugins/oil.lua

return {
    "stevearc/oil.nvim",
    dependencies = { "nvim-tree/nvim-web-devicons" },
    cmd = "Oil",
    init = function()
        vim.keymap.set("n", "<leader>o", "<cmd>Oil<cr>")
        if vim.fn.argc() == 1 then
            local stat = vim.loop.fs_stat(vim.fn.argv(0))
            if stat and stat.type == "directory" then require "oil" end
        end
    end,
    config = true,
    opts = {
        columns = { "icon", "permissions" },
        view_options = { show_hidden = true },
    },
}