feat(hls): do not use lspconfig.util

Author: TheRealLorenz

lsp/hls.lua

@@ -12,14 +12,19 @@
 --- })
 --- ```
 
-local util = require 'lspconfig.util'
-
 return {
   cmd = { 'haskell-language-server-wrapper', '--lsp' },
   filetypes = { 'haskell', 'lhaskell' },
   root_dir = function(bufnr, on_dir)
-    local fname = vim.api.nvim_buf_get_name(bufnr)
-    on_dir(util.root_pattern('hie.yaml', 'stack.yaml', 'cabal.project', '*.cabal', 'package.yaml')(fname))
+    on_dir(vim.fs.root(bufnr, function(name, _)
+      local patterns = { 'hie.yaml', 'stack.yaml', 'cabal.project', '*.cabal', 'package.yaml' }
+      for _, pattern in ipairs(patterns) do
+        if vim.glob.to_lpeg(pattern):match(name) ~= nil then
+          return true
+        end
+      end
+      return false
+    end))
   end,
   settings = {
     haskell = {