From 1fadbf5fb1e8b683da23635d7b229bf6fa9ba75e Mon Sep 17 00:00:00 2001
From: sunlin <sunlin7@yahoo.com>
Date: Wed, 20 Jan 2021 17:15:31 +0800
Subject: [PATCH] [main.lua] fix empty rootPath cause try "/log" folder

When run follow command with get error message,
```
$ bin/Linux/lua-language-server  -E main.lua
bin/Linux/lua-language-server: filesystem error: cannot create directories: Permission denied [/log]
```
Which is caused by empty `rootPath' and the folder path for log with be `/log' in follow line,
https://github.com/sumneko/lua-language-server/blob/1458139721646236406825a03a21152d98753515/main.lua#L40

This change try to assign a default value `"."' for `rootPath' will fix the error.
---
 main.lua | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/main.lua b/main.lua
index 1b0c7a5a3..173b5af10 100644
--- a/main.lua
+++ b/main.lua
@@ -1,6 +1,7 @@
 local currentPath = debug.getinfo(1, 'S').source:sub(2)
 local rootPath = currentPath:gsub('[/\\]*[^/\\]-$', '')
-loadfile((rootPath == '' and '.' or rootPath) .. '/platform.lua')('script')
+rootPath = (rootPath == '' and '.' or rootPath)
+loadfile(rootPath .. '/platform.lua')('script')
 local fs = require 'bee.filesystem'
 
 local function expanduser(path)