lookup-eth: POSIX Compliant Update.

This change is to make the test script to be POSIX compliant.

Original patch comes from:

Lucas Dutra Nunes <ldnunes@ossystems.com.br>

Signed-off by: Botao Sun <botao.sun@linaro.org>

Change-Id: Ia08d26f1fd0601857b401b3c44839f03cbc35d7c

1 files changed, 18 insertions, 4 deletions

diff --git a/common/scripts/lookup-eth b/common/scripts/lookup-eth
index d8b959c..78387e2 100755
--- a/common/scripts/lookup-eth
+++ b/common/scripts/lookup-eth
@@ -1,4 +1,20 @@
-#!/bin/bash
+#!/bin/sh
+#
+# Copyright (C) 2010 - 2014, Linaro Limited.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
 connection=${1}
 
@@ -6,12 +22,10 @@ for row in $(grep ${connection} common/lng-mapping-table-eth); do
     ifname=""
     mac=$(echo ${row} | awk -F'=' '{print $2}')
     ifname=$(ip link show | grep -B1 "${mac}" | awk -F':' '{print $2}'|head -n1)
-    if [[ -n ${ifname} ]]; then
+    if [ -n ${ifname} ]; then
         ifconfig ${ifname} up
         udhcpc -i ${ifname}
         echo ${ifname}
         break
     fi
 done
-
-## vim: set sw=4 sts=4 et foldmethod=syntax : ##