From a4047f450e6d8e1202035e1fda198cbdcef2369f Mon Sep 17 00:00:00 2001
From: Liang Ding <DL88250@gmail.com>
Date: Sun, 21 Sep 2014 20:53:59 +0800
Subject: [PATCH] Release pipe commands

---
 shell/shells.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/shell/shells.go b/shell/shells.go
index 70d61d0..1a0d33a 100644
--- a/shell/shells.go
+++ b/shell/shells.go
@@ -145,6 +145,10 @@ func pipeCommands(username string, commands ...*exec.Cmd) string {
 
 	out, err := last.CombinedOutput()
 
+	for _, command := range commands[:len(commands)-1] {
+		command.Wait()
+	}
+
 	if err != nil {
 		return err.Error()
 	}