#!/bin/sh
#
# Mike McCormack
# 2011/2/24
#
# Build a self-extracting devkit to be used on 2nd party machines
#

# die: print message to stderr and exit with error code
#
# PARAMETERS
#   $1 $2 ... - message to be printed
die()
{
	echo "$CE$N: fatal error: $*$CN" >&2
	exit 1
}

# make sure we're not root
if test `id -u` = "0"
then
	die "Please install SBS in a user account, not as root"
fi

# enable colors only on terminal devices
TPUT="`which tput`"
if test -t 0 -a -t 1 -a -n "$TPUT"
then
    CI="`$TPUT setf 6 || true`"
    CE="`$TPUT setf 4 || true`"
    CX="`$TPUT setf 2 || true`"
    CN="`$TPUT sgr0 || true`"
else
    CI=''
    CE=''
    CX=''
    CN=''
fi

N="`basename \"$0\"`"

set +e

ms=`which makeself`
if [ ! "$ms" ]
then
	die "makeself is not installed. (try: sudo aptitude install makeself)"
fi

if [ ! -x ./install-sbs ]
then
	die "must be run from sbs git repository"
fi

# remove everything
cleanup()
{
	rm -rf "$tmpdir"
}

trap cleanup 0 INT TERM

# setup a temporary home directory
datestr=`date '+%Y%m%d'`
tmpdir=`mktemp -d`

# mirroring may take a long time, so cache the mirror
echo
echo "$CI""Mirroring debian repositories""$CN"
echo
./make-offline-mirror.sh ./repo || die "Mirroring failed"

# make sure SBS is installed
SBS_INSTALL_DIR="$tmpdir/sbs-install" ./install-sbs || die "SBS install failed"

mirror_dir="$tmpdir"/sbs-install/share/sbs/apt_mirror
mkdir -p "$mirror_dir"
cp -R ./repo/* "$mirror_dir/"

echo
echo "$CI""Creating installer""$CN"
echo
makeself "$tmpdir" "sbs-offline-$datestr.sh" "sbs-offline-$datestr" ./sbs-install/share/sbs/scripts/sbs-offline-install || die "failed to build self-extracting archive"

exit 0