local function findfile(fname)
  local ftype = string.sub(fname, -1) == "/" and "directory" or "file"

  if fname:sub(0, 1) == "/" then
    return fname
  end

  if ftype == "directory" then
    fname = fname:sub(0, -2)
  end

  local currentfile = vim.api.nvim_buf_get_name(0)
  local root = vim.fn.isdirectory(currentfile) == 1 and currentfile
    or vim.fs.dirname(currentfile)
  local stop = vim.fs.dirname(vim.fn.getcwd(0))

  local matches = vim.fs.find(fname, {
    type = ftype,
    upward = true,
    path = root,
    stop = stop,
  })
  if #matches > 0 then
    return matches[1]
  end

  return vim.fs.joinpath(root, fname)
end
vim.keymap.set("n", "gf", function()
  local fname = vim.fn.expand("<cfile>")
  ---@cast fname string?
  if not fname then
    return
  end
  local path = findfile(fname)
  vim.cmd.edit({ path, magic = { file = false, bar = false } })
end)