scriptbox/alpine-initramfs-ipv6/alpine-initramfs-ipv6.patch

271a272,350
> # configure ipv6 on initramfs
> # Valid syntaxes:
> #   ip6=client-ip/gateway-ip/interface/dns1/dns2
> #
> configure_ip6() {
> 	[ -n "$MAC_ADDRESS" ] && return
> 
> 	$MOCK modprobe -a ipv6
> 
> 	local IFS='/'
> 	# shellcheck disable=SC2086
> 	set -- ${KOPT_ip6}
> 	unset IFS
> 
> 	local client6_ip="$1"
> 	local gw6_ip="$2"
> 	local iface="$3"
>     	local dns1="$4"
>     	local dns2="$5"
> 
> 	if [ -e "$ROOT"/etc/mactab ]; then
> 		$MOCK nameif -s
> 	fi
> 
> 	if [ -z "$iface" ] && [ -n "$KOPT_BOOTIF" ]; then
> 		mac=$(printf "%s\n" "$KOPT_BOOTIF"|sed 's/^01-//;s/-/:/g')
> 		iface=$(grep -l "$mac" "$ROOT"/sys/class/net/*/address | awk -F/ '{print $(NF-1); exit}')
> 	fi
> 
> 	# Bring interface up
> 	if [ -n "$iface" ]; then
> 		$MOCK ip link set dev "$iface" up
> 		sleep 3 # wait for interface to fully up.
> 	fi
> 
> 	if [ -z "$iface" ]; then
> 		# shellcheck disable=SC2046
> 		set -- $(ethernets)
> 		for i in "$@"; do
> 			$MOCK ip link set dev "$i" up
> 		done
> 		iface=$(find_first_interface_up "$@") || iface="$1"
> 
> 		# we will use the found interface later so lets keep it up
> 		for i in "$@"; do
> 			if [ "$i" != "$iface" ]; then
> 				$MOCK ip link set dev "$i" down
> 			fi
> 		done
> 	fi
> 	
> 	if [ -z "$iface" ]; then
> 		echo "ERROR: IP requested but no network interface was found"
> 		return 1
> 	fi
> 
> 	if [ -z "$client6_ip" ] && [ -z "$netmask" ]; then
> 		return
> 	fi
> 	ebegin "Setting IP ($iface)"
> 
> 	if ip -6 addr add $client6_ip dev $iface; then
> 	        # this is definitely not required by all ipv6 implementation                     
>         	# but it's better to keep things working for all deployment possible             
>         	#                                                                                
>        		# metric is mandatory!                                                           
>         	[ -z "$gw6_ip" ] || ip -6 route add "$gw6_ip" dev $iface metric 256              
>         	[ -z "$gw6_ip" ] || ip -6 route add ::0/0 via "$gw6_ip" dev "$iface" metric 128
> 	fi
> 	eend $?
> 
> 	# Never executes if variables are empty
> 	for i in $dns1 $dns2; do
> 		echo "nameserver $i" >> /etc/resolv.conf
> 	done
> 
> 	MAC_ADDRESS=$(cat "$ROOT/sys/class/net/$iface/address")
> }
> 
513a593
> 	ip6