From 4dc437c0763268ebf3c77c2a11cafa224173bfdd Mon Sep 17 00:00:00 2001
From: Ori Bernstein <ori@eigenstate.org>
Date: Fri, 18 Dec 2020 19:23:48 -0800
Subject: vt: rfork environment varibles (thanks fshahriar)

vt sets several environment variables ($TERM, $COLS, $LINES)
after exiting. This change rforks the environment so that this
detritus doesn't get left behind.
---
 sys/src/cmd/vt/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/src/cmd/vt/main.c b/sys/src/cmd/vt/main.c
index 23b4ca683..0622bb9ed 100644
--- a/sys/src/cmd/vt/main.c
+++ b/sys/src/cmd/vt/main.c
@@ -298,6 +298,8 @@ threadmain(int argc, char **argv)
 		break;
 	}ARGEND;
 
+	if(rfork(RFENVG) < 0)
+		sysfatal("rfork: %r");
 	quotefmtinstall();
 	notify(catch);
 	atexit(shutdown);
-- 
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