#!/bin/sh

PROGRAM=setup-alpine
VERSION=@VERSION@

PREFIX=
. $PREFIX/lib/libalpine.sh

# Extract fully qualified domain name from current hostname. If none is
# currently set, use 'my.domain'.
get_fqdn() {
	local _dn
	_dn=$(hostname -f 2>/dev/null)
	_dn=${_dn#$(hostname -s 2>/dev/null)}
	_dn=${_dn#.}
	echo "${_dn:=my.domain}"
}

usage() {
	cat <<__EOF__
usage: setup-alpine [-ha] [-f FILE] [-c FILE]

Setup Alpine Linux

options:
 -h  Show this help
 -a  Create Alpine Linux overlay file
 -f  Answer file to use installation
 -c  Create answer file (do not install anything)
__EOF__
        exit 1
}

while getopts "af:c:h" opt ; do
	case $opt in
		a) ARCHIVE=yes;;
		f) USEANSWERFILE="$OPTARG";;  
		c) CREATEANSWERFILE="$OPTARG";;
		h) usage;;
		*) usage;;
	esac
done
shift `expr $OPTIND - 1`

if [ "$USEANSWERFILE" != "" ]; then
	if [ -e "$USEANSWERFILE" ]; then
		. "$USEANSWERFILE"
	fi
fi

if [ "$CREATEANSWERFILE" != "" ]; then
	touch "$CREATEANSWERFILE" || echo "Cannot touch file $CREATEANSWERFILE"
	cat <<__EOF__ > "$CREATEANSWERFILE"
KEYMAPOPTS=""
HOSTNAMEOPTS=""
INTERFACESOPTS=""
DNSOPTS=""
TIMEZONEOPTS=""
APKREPOSOPTS=""
SSHDOPTS=""
NTPOPTS=""
DISKOPTS=""
APKLBUOPTS=""
__EOF__
	echo "Answer file $CREATEANSWERFILE has been created.  Please add or remove options as desired in that file"
	exit 0
fi

if [ "$ARCHIVE" ] ; then
	echo "Creating an Alpine overlay"
	init_tmpdir ROOT
else
	PKGADD=apk_add
fi

$PREFIX/sbin/setup-keymap ${KEYMAPOPTS}
$PREFIX/sbin/setup-hostname ${HOSTNAMEOPTS}
$PREFIX/sbin/setup-interfaces ${INTERFACEOPTS}

# setup up dns if no dhcp was configured
grep '^iface.*dhcp' $ROOT/etc/network/interfaces > /dev/null ||\
	$PREFIX/sbin/setup-dns ${DNSOPTS}

# set root password
[ -z "$NOCOMMIT" ] && while ! passwd ; do echo "Please retry." ; done

# pick timezone
$PREFIX/sbin/setup-timezone ${TIMEZONEOPTS}

rc-update -q add networking boot 
rc-update -q add urandom boot 
rc-update -q add acpid
rc-update -q add cron

# enable new hostname
/etc/init.d/hostname --quiet restart

# start up the services
rc boot
rc default

# update /etc/hosts - after we have got dhcp address
# Get default fully qualified domain name from *first* domain
# given on *last* search or domain statement.
_dn=$(sed -n \
-e '/^domain[[:space:]][[:space:]]*/{s///;s/\([^[:space:]]*\).*$/\1/;h;}' \
-e '/^search[[:space:]][[:space:]]*/{s///;s/\([^[:space:]]*\).*$/\1/;h;}' \
-e '${g;p;}' /etc/resolv.conf 2>/dev/null)

_hn=$(hostname)
_hn=${_hn%%.*}

sed -i -e "s/^127\.0\.0\.1.*/127.0.0.1\t${_hn}.${_dn:-$(get_fqdn)} ${_hn} localhost.localdomain localhost/" /etc/hosts

$PREFIX/sbin/setup-apkrepos ${APKREPOSOPTS}

$PREFIX/sbin/setup-sshd ${SSHDOPTS}

$PREFIX/sbin/setup-ntp ${NTPOPTS}

DEFAULT_DISK=none \
	$PREFIX/sbin/setup-disk -q ${DISKOPTS}

if [ "`cat /tmp/alpine-install-diskmode.out`" != "sys" ]; then
	$PREFIX/sbin/setup-apklbu -i ${APKLBUOPTS}
fi