fix(configs): eliminate some usages of root_pattern #3820

Problem:
`root_pattern` is not necessary for non-glob patterns.

Solution:
Replace non-glob cases with `vim.fs.root()`..

1 files changed, 2 insertions, 4 deletions

diff --git a/lsp/phpactor.lua b/lsp/phpactor.lua
index 87e6c59d..9b7d3d82 100644
--- a/lsp/phpactor.lua
+++ b/lsp/phpactor.lua
@@ -4,17 +4,15 @@
 ---
 --- Installation: https://phpactor.readthedocs.io/en/master/usage/standalone.html#global-installation
 
-local util = require 'lspconfig.util'
-
 return {
   cmd = { 'phpactor', 'language-server' },
   filetypes = { 'php' },
   root_dir = function(bufnr, on_dir)
     local fname = vim.api.nvim_buf_get_name(bufnr)
     local cwd = assert(vim.uv.cwd())
-    local root = util.root_pattern('composer.json', '.git', '.phpactor.json', '.phpactor.yml')(fname)
+    local root = vim.fs.root(fname, { 'composer.json', '.git', '.phpactor.json', '.phpactor.yml' })
 
     -- prefer cwd if root is a descendant
-    on_dir(vim.fs.relpath(cwd, root) and cwd or root)
+    on_dir(root and vim.fs.relpath(cwd, root) and cwd)
   end,
 }