From 2df363747bd13e1889026c3e5a6d6c9e1ab955a5 Mon Sep 17 00:00:00 2001
From: ep <eugen.pt@gmail.com>
Date: Thu, 22 Jul 2021 15:32:22 +0700
Subject: [PATCH] fix workspace folders on different drives in Windows

---
 data/core/common.lua | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/data/core/common.lua b/data/core/common.lua
index 6b9dff7d..0c1cf0e3 100644
--- a/data/core/common.lua
+++ b/data/core/common.lua
@@ -285,6 +285,12 @@ end
 
 
 function common.relative_path(ref_dir, dir)
+  if #ref_dir>2 and ref_dir:sub(2,2)==':'
+    and #dir>2 and dir:sub(2,2)==':'
+      and ref_dir:sub(1,1)~=dir:sub(1,1) then
+    -- Windows, different drives, system.absolute_path fails for C:\..\D:\
+    return dir
+  end    
   local ref_ls = split_on_slash(ref_dir)
   local dir_ls = split_on_slash(dir)
   local i = 1