bootconf=$(egrep '^BOOT=' /conf/initramfs.conf | tail -1)
# can be superseded by command line (used by Debian-Live's netboot for example)
- for ARGUMENT in $(cat /proc/cmdline); do
+ for ARGUMENT in $(cat /proc/cmdline)
+ do
case "${ARGUMENT}" in
netboot=*)
NETBOOT="${ARGUMENT#netboot=}"
esac
done
- if [ "$bootconf" != "BOOT=nfs" ] &&
- [ "$NETBOOT" = "" ] &&
- [ "$FETCH" = "" ] &&
- [ "$FTPFS" = "" ] &&
- [ "$HTTPFS" = "" ]
+ if [ "$bootconf" != "BOOT=nfs" ] && [ -z "$NETBOOT" ] && [ -z "$FETCH" ] && [ -z "$FTPFS" ] && [ -z "$HTTPFS" ]
then
- # Not a net boot : nothing to do
- return
+ # Not a net boot : nothing to do
+ return
fi
# we want to do some basic IP
# Available Ethernet interfaces ?
l_interfaces=""
echo "Waiting for ethernet card(s) up... If this fails, maybe the ethernet card is not supported by the kernel `uname -r`?"
- while [ -z "$l_interfaces" ]; do
- l_interfaces="$(cd /sys/class/net/ && ls -d eth* 2>/dev/null)"
+ while [ -z "$l_interfaces" ]
+ do
+ l_interfaces="$(cd /sys/class/net/ && ls -d eth* 2>/dev/null)"
done
- if [ $(echo $l_interfaces | wc -w) -lt 2 ]; then
+ if [ $(echo $l_interfaces | wc -w) -lt 2 ]
+ then
# only one interface : no choice
echo "DEVICE=$l_interfaces" >> /conf/param.conf
return
fi
# If user force to use specific device, write it
- for ARGUMENT in $(cat /proc/cmdline); do
- case "${ARGUMENT}" in
- live-netdev=*)
- NETDEV="${ARGUMENT#live-netdev=}"
- echo "DEVICE=$NETDEV" >> /conf/param.conf
- echo "Found live-netdev parameter in /proc/cmdline. Force to use network device $NETDEV."
- return
- ;;
- esac
+ for ARGUMENT in $(cat /proc/cmdline)
+ do
+ case "${ARGUMENT}" in
+ live-netdev=*)
+ NETDEV="${ARGUMENT#live-netdev=}"
+ echo "DEVICE=$NETDEV" >> /conf/param.conf
+ echo "Found live-netdev parameter in /proc/cmdline. Force to use network device $NETDEV."
+ return
+ ;;
+ esac
done
found_eth_dev=""
- while true; do
+ while true
+ do
echo -n "Looking for a connected Ethernet interface ..."
- for interface in $l_interfaces; do
+ for interface in $l_interfaces
+ do
# ATTR{carrier} is not set if this is not done
echo -n " $interface ?"
ipconfig -c none -d $interface -t 1 >/dev/null 2>&1
echo ''
- for step in 1 2 3 4 5; do
- for interface in $l_interfaces; do
+ for step in 1 2 3 4 5
+ do
+ for interface in $l_interfaces
+ do
carrier=$(cat /sys/class/net/$interface/carrier \
2>/dev/null)
# link detected
- if [ "$carrier" = 1 ]; then
- echo "Connected $interface found"
- # inform initrd's init script :
- found_eth_dev="$found_eth_dev $interface"
- fi
+
+ case "${carrier}" in
+ 1)
+ echo "Connected $interface found"
+ # inform initrd's init script :
+ found_eth_dev="$found_eth_dev $interface"
+ ;;
+ esac
done
- if [ -n "$found_eth_dev" ]; then
+ if [ -n "$found_eth_dev" ]
+ then
echo "DEVICE='$found_eth_dev'" >> /conf/param.conf
return
else