1 files changed, 13 insertions, 0 deletions
diff --git a/xmake/core/base/os.lua b/xmake/core/base/os.lua
index 0bae655b7..a56c199dd 100644
--- a/xmake/core/base/os.lua
+++ b/xmake/core/base/os.lua
@@ -34,6 +34,7 @@ local string    = require("base/string")
 
 -- save original interfaces
 os._uid         = os._uid or os.uid
+os._gid         = os._gid or os.gid
 os._mkdir       = os._mkdir or os.mkdir
 os._rmdir       = os._rmdir or os.rmdir
 os._tmpdir      = os._tmpdir or os.tmpdir
@@ -638,6 +639,18 @@ function os.uid(...)
     return os._UID
 end
 
+-- get gid
+function os.gid(...)
+    -- get gid
+    os._GID = {}
+    if os._gid then
+        os._GID = os._gid(...) or {}
+    end
+
+    -- ok?
+    return os._GID
+end
+
 -- check run command as root
 function os.isroot()