From 5d3c4e433ee65508b0fd42bd6bd3ee8a900820b5 Mon Sep 17 00:00:00 2001
From: Chenyang Liu <chenyang.liu@bodylabs.com>
Date: Mon, 9 Nov 2015 16:14:24 -0500
Subject: [PATCH] use exec to prevent spawn unneeded subprocess

---
 unix.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/unix.go b/unix.go
index afdf11c..62bce71 100644
--- a/unix.go
+++ b/unix.go
@@ -16,7 +16,7 @@ func ShellInvocationCommand(interactive bool, root, command string) []string {
 		shellArgument = "-ic"
 	}
 	profile := filepath.Join(root, ".profile")
-	shellCommand := fmt.Sprintf("source \"%s\" 2>/dev/null; %s", profile, command)
+	shellCommand := fmt.Sprintf("source \"%s\" 2>/dev/null; exec %s", profile, command)
 	return []string{"bash", shellArgument, shellCommand}
 
 }