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#!/bin/sh
# some interesting variables
eth0_current_mac=`ifconfig eth0 | sed -n 's/^.*HWaddr \([0-9A-Za-z:]*\).*/\1/p'`
eth0_ip=`cat /proc/cmdline | sed -n 's/.*ip=\([^:]*\):.*/\1/gp'`
# check if eth0 is uninitialized and needs to be set up with
# MAC address
echo -n "eth0: mac address state: ";
if [ "$eth0_current_mac" = "00:00:00:00:00:00" ]; then
echo -n "unconfigured, setting to [$eth0_mac] "
ifconfig eth0 hw ether $eth0_mac
ifconfig eth0 $eth0_ip up
echo
else
echo "initialized [$eth0_mac]"
fi
# check if we are already listed in /etc/hosts
# FIXME: put this into deployment script
hostname=`hostname`
if [ -z "`grep $hostname /etc/hosts`" ]; then
echo "adding $hostname to /etc/hosts"
mount_state=`mount | grep root | sed -n 's/^.*(\(r.\),.*$/\1/p'`
mount /dev/root / -o remount,rw
echo `ifconfig eth0 | sed -n '/addr:/s/ [^r]*..//gp'` `hostname` >> /etc/hosts
mount /dev/root / -o remount,$mount_state
fi
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