Merge dhcphostname support into 23networking-grml

11_dhcphostname.dpatch patched 23networking, which we didn't ship at all.

debian/patches/11_dhcphostname.dpatch

@@ -13,28 +13,6 @@ This patch takes care of the netboot case.
 
 diff --git a/scripts/live-bottom/23networking b/scripts/live-bottom/23networking
 index 9554b77..9270e9c 100755
---- a/scripts/live-bottom/23networking
-+++ b/scripts/live-bottom/23networking
-@@ -135,6 +135,19 @@ ${rc_server1}
- EOF
-
- 			cat /root/etc/resolv.conf >> /root/var/log/netboot.config
-+
-+			if [ -z "$NODHCPHOSTNAME" ]
-+			then
-+				dhcp_address=$(cat netboot.config | awk '/address:/{print $2}')
-+				dhcp_hostname=$(busybox nslookup ${dhcp_address} ${rc_server0#nameserver }| awk \
-+					'/Address 1: '${dhcp_address}'/{ print $4 }')
-+
-+				if [ -n "$dhcp_hostname" ]
-+				then
-+					echo $dhcp_hostname > /root/etc/hostname
-+				fi
-+				unset dhcp_address dhcp_hostname dhcp_hostname
-+			fi
- 		fi
- 	fi
- fi
 --- a/scripts/live
 +++ b/scripts/live
 @@ -216,6 +216,11 @@ Arguments ()

debian/patches/15_networking_grml.dpatch

@@ -11,7 +11,7 @@
 diff a/scripts/live-bottom/23networking_grml b/scripts/live-bottom/23networking_grml
 --- /dev/null
 +++ b/scripts/live-bottom/23networking_grml
-@@ -0,0 +1,102 @@
+@@ -0,0 +1,107 @@
 +#!/bin/sh
 +
 +#set -e
@@ -69,6 +69,8 @@ diff a/scripts/live-bottom/23networking_grml b/scripts/live-bottom/23networking_
 +
 +EOF
 +
++unset HOSTNAME
++
 +# generate config for each present network device
 +for interface in /sys/class/net/eth* /sys/class/net/ath* /sys/class/net/wlan*; do
 +    [ -e ${interface} ] || continue
@@ -107,10 +109,14 @@ diff a/scripts/live-bottom/23networking_grml b/scripts/live-bottom/23networking_
 +            done
 +        fi
 +    fi
++
++    if [ -z "$NODHCPHOSTNAME" -a -n "$HOSTNAME" ]; then
++        echo $HOSTNAME > /root/etc/hostname
++    fi
++
 +    unset DEVICE IPV4ADDR IPV4BROADCAST IPV4NETMASK IPV4GATEWAY IPV4DNS0 IPV4DNS1 HOSTNAME DNSDOMAIN NISDOMAIN ROOTSERVER ROOTPATH filename
 +    unset IPV4DNS IPV4DNSLIST
 +
 +    echo>> $IFFILE
 +done
 +
-+