Initial support for --netboot option

integrate functionality from netboot udhcpc.scripts into default one

ChangeLog

@@ -2,6 +2,11 @@
 # Copyright 1999-2008 Gentoo Foundation; 2008 Chris Gianelloni, Andrew Gaffney
 # Distributed under the GPL v2
 
+  07 Dec 2008; Andrew Gaffney <agaffney@gentoo.org> defaults/udhcpc.scripts,
+  gen_cmdline.sh, gen_determineargs.sh, netboot/linuxrc.x:
+  Initial support for --netboot option integrate functionality from netboot
+  udhcpc.scripts into default one
+
   04 Dec 2008; Chris Gianelloni <wolf31o2@wolf31o2.org> genkernel:
   Bumping version for release.
 

defaults/udhcpc.scripts

@@ -1,7 +1,9 @@
 #!/bin/sh
 
+[ -z "$1" ] && echo "Error: should be called from udhcpc" && exit 1
+
 case ${1} in
-	bound)
+	renew|bound)
 		[ -n "$broadcast" ] && BROADCAST="broadcast $broadcast"
 		[ -n "$subnet" ] && NETMASK="netmask $subnet"
 		[ -n "$rootpath" ] && echo "$rootpath" > /rootpath
@@ -10,6 +12,10 @@ case ${1} in
 		busybox ifconfig $interface $ip $BROADCAST $NETMASK
 		if [ -n "${router}" ]
 		then
+			while route del default gw 0.0.0.0 dev $interface; do
+				:
+			done
+
 			for i in ${router}
 			do
 				busybox route add default gw ${i}

gen_cmdline.sh

@@ -91,6 +91,7 @@ longusage() {
   echo "				--> 'emerge cryptsetup-luks' with USE=-dynamic"
   echo "    --no-busybox    Do not include busybox in the initramfs."
   echo "    --unionfs       Include support for unionfs"
+  echo "    --netboot		Create a self-contained env in the initramfs"
   echo "  Internals"
   echo "	--arch-override=<arch>	Force to arch instead of autodetect"
   echo "	--cachedir=<dir>	Override the default cache location"
@@ -249,6 +250,10 @@ parse_cmdline() {
 			CMD_UNIONFS=1
 			print_info 2 "CMD_UNIONFS: ${CMD_UNIONFS}"
 			;;
+		--netboot)
+			CMD_NETBOOT=1
+			print_info 2 "CMD_NETBOOT: ${CMD_NETBOOT}"
+			;;
 		--slowusb)
 			CMD_SLOWUSB=1
 			print_info 2 "CMD_SLOWUSB: ${CMD_SLOWUSB}"

gen_determineargs.sh

@@ -104,6 +104,7 @@ determine_real_args() {
 	set_config_with_override 1 DMRAID               CMD_DMRAID
 	set_config_with_override 1 BUSYBOX              CMD_BUSYBOX              "yes"
 	set_config_with_override 1 UNIONFS				CMD_UNIONFS
+	set_config_with_override 1 NETBOOT				CMD_NETBOOT
 	set_config_with_override 1 DISKLABEL            CMD_DISKLABEL
 	set_config_with_override 1 LUKS                 CMD_LUKS
 	set_config_with_override 1 MDADM                CMD_MDADM

netboot/linuxrc.x

@@ -84,7 +84,7 @@ StartUp() {
 		syslogd
 
 		#// Hostname
-		hostname netboot-@@RELVER@@
+		hostname netboot
 
 		#// Setup dropbear (sshd)
 		echo -e ""