From c570330bbc7fd11410985a46486e7c5edc66d9bf Mon Sep 17 00:00:00 2001
From: ruki <waruqi@gmail.com>
Date: Wed, 25 Mar 2020 22:48:28 +0800
Subject: fix os.args

---
 core/src/xmake/os/args.c  | 2 +-
 tests/modules/os/test.lua | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/xmake/os/args.c b/core/src/xmake/os/args.c
index 567d70d30..0f907bb8a 100644
--- a/core/src/xmake/os/args.c
+++ b/core/src/xmake/os/args.c
@@ -120,7 +120,7 @@ tb_int_t xm_os_args(lua_State* lua)
     // return result
     tb_size_t size = tb_string_size(&result);
     if (size) lua_pushlstring(lua, tb_string_cstr(&result), size);
-    else lua_pushnil(lua);
+    else lua_pushliteral(lua, "");
     tb_string_exit(&result);
     return 1;
 }
diff --git a/tests/modules/os/test.lua b/tests/modules/os/test.lua
index 2f008edd0..02d027e25 100644
--- a/tests/modules/os/test.lua
+++ b/tests/modules/os/test.lua
@@ -62,6 +62,7 @@ function test_setenv(t)
 end
 
 function test_argv(t)
+    t:are_equal(os.argv(""), {})
     t:are_equal(os.argv("aa bb cc"), {"aa", "bb", "cc"})
     t:are_equal(os.argv("aa --bb=bbb -c"), {"aa", "--bb=bbb", "-c"})
     t:are_equal(os.argv("\"aa bb cc\" dd"), {"aa bb cc", "dd"})
@@ -73,6 +74,7 @@ function test_argv(t)
 end
 
 function test_args(t)
+    t:are_equal(os.args({}), "")
     t:are_equal(os.args({"aa", "bb", "cc"}), "aa bb cc")
     t:are_equal(os.args({"aa", "--bb=bbb", "-c"}), "aa --bb=bbb -c")
     t:are_equal(os.args({"aa bb cc", "dd"}), "\"aa bb cc\" dd")
-- 
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