qemu:moved into main repo for pisi 2.0

hardware/virtualization/qemu/files/qemu-ifdown

@@ -0,0 +1,20 @@
+#!/bin/bash
+
+if [ -x /sbin/brctl ]; then
+  BRCTL="/sbin/brctl"
+elif [ -x /usr/sbin/brctl ]; then
+  BRCTL="/usr/sbin/brctl"
+else
+  echo "no bridge utils installed"
+  exit 1
+fi
+
+if [ -x /sbin/ip ]; then
+  switch=( $(/sbin/ip route list | awk '/^default / { sub(/.* dev /, ""); print $1 }') )
+  ${BRCTL} delif ${switch} $1
+  /sbin/ip link set $1 down
+else
+  switch=( $(/bin/netstat -rn | awk '/^0\.0\.0\.0/ { print $NF }') )
+  ${BRCTL} delif ${switch} $1
+  /sbin/ifconfig $1 down
+fi