From 600fb4fab529ae55a44ccdfd6045046309db8f4f Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Sat, 27 Apr 2019 00:35:02 +0800
Subject: improve os.execv

---
 xmake/core/base/os.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/xmake/core/base/os.lua b/xmake/core/base/os.lua
index d63cefad3..65852b22c 100644
--- a/xmake/core/base/os.lua
+++ b/xmake/core/base/os.lua
@@ -612,8 +612,12 @@ function os.execv(program, argv, opt)
     -- uses the given environments?
     local envs = nil
     if opt.envs then
-        envs = {}
+        local envars = os.getenvs()
         for k, v in pairs(opt.envs) do
+            envars[k] = v
+        end
+        envs = {}
+        for k, v in pairs(envars) do
             table.insert(envs, k .. '=' .. v)
         end
     end
-- 
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