nvim-config/lua/custom/plugins/oil.lua

-- Fix oil absolute path to relative path conversion
vim.api.nvim_create_augroup('OilRelPathFix', {})
vim.api.nvim_create_autocmd('BufLeave', {
  group = 'OilRelPathFix',
  pattern = 'oil:///*',
  callback = function()
    vim.cmd 'cd .'
  end,
})

return {
  {
    'stevearc/oil.nvim',
    -- Optional dependencies
    dependencies = { 'nvim-tree/nvim-web-devicons' },
    config = function()
      local oil = require 'oil'
      oil.setup {
        view_options = {
          show_hidden = true,
        },
      }

      vim.keymap.set('n', '<leader>fe', function()
        if vim.bo.filetype == 'oil' then
          oil.close()
        else
          oil.open()
        end
      end, { desc = '[F]ile [E]xplorer' })
    end,
  },
}