File setgroups.patch of Package lua-luaposix

---
 ext/posix/unistd.c |    8 ++++++++
 1 file changed, 8 insertions(+)

Index: luaposix-35.1/ext/posix/unistd.c
===================================================================
--- luaposix-35.1.orig/ext/posix/unistd.c	2021-09-10 02:42:44.000000000 +0200
+++ luaposix-35.1/ext/posix/unistd.c	2025-10-13 12:57:47.759515415 +0200
@@ -1063,10 +1063,18 @@
 		case 'U':
 			return pushresult(L, seteuid(mygetuid(L, 2)), NULL);
 		case 'u':
+#if HAVE_SETGROUPS
+			if (setgroups(0, NULL) == -1)
+				return pusherror(L, "setgroups");
+#endif
 			return pushresult(L, setuid(mygetuid(L, 2)), NULL);
 		case 'G':
 			return pushresult(L, setegid(mygetgid(L, 2)), NULL);
 		case 'g':
+#if HAVE_SETGROUPS
+			if (setgroups(0, NULL) == -1)
+				return pusherror(L, "setgroups");
+#endif
 			return pushresult(L, setgid(mygetgid(L, 2)), NULL);
 		case 's':
 			return pushresult(L, setsid(), NULL);