#!/bin/bash
#
# Build package in local directory (or upwards) and optionally install on target host
#
set -e

host=''
rootcmd='fakeroot'

usage () {
	local rc=$1
	echo '-l	opt_local - it seems to have no meaning'
	echo '-C	Perform a "cvs update -Pd" first'
	echo '-c	Perform a "debian/rules clean" first'
	echo '-h	host where the packages will be installed on'
	echo '-r	the rootcmd (default: fakeroot)'
	echo '-i	install the package even if it was not installed before'
	echo '-a	architecture amd64|i386'
	exit $rc
}

if [ -z "$TEST_PKG" ]
then
	argv="$@"
else
	argv="${TEST_PKG}$@"
fi
opts=`getopt -l "help" "lh:Ccr:a:i" $argv`
eval set -- "$opts"
while true
do
	case "$1" in
		-l)	opt_local="1"
			shift
			;;
		-C)	opt_cvs="1"
			shift
			;;
		-c)	opt_clean="1"
			shift
			;;
		-h)	host="$2"
			shift 2 || usage 2 >&2
			;;
		-r)	rootcmd="$2"
			shift 2 || usage 2 >&2
			;;
		-i)	install="1"
			shift
			;;
		-a)
			arch=$(echo "$2" | sed -e 's/^\ *//')
			export $(dpkg-architecture -a"$arch")
			shift 2 || usage 2 >&2
			;;
		--help)
			usage 0
			;;
		--)	shift
			break
			;;
	esac
done

while ! [ -f debian/rules ]
do
	if [ "$PWD" = "/" ]
	then
		echo "no source package"
		exit 1
	fi
	cd ..
done

# cvs update
if [ -n "$opt_cvs" ]
then
	if test -d CVS
	then
		cvs update -Pd
	elif test -d .svn
	then
		svn up
	else
		echo "Not version control information found." >&2
		exit 1
	fi
fi

[ -n "$opt_clean" ] && $rootcmd debian/rules clean
$rootcmd debian/rules binary || exit 1
set -o pipefail

if [ -n "$host" ]
then
	cut -d\  -f1 debian/files | tar -c -f - -C .. -T - | ssh $host '
inst-pkg () {
	p=$(echo "$1" | sed "s,^.*/\([^_]*\)[^/]*,\1,")
	if [ -n '"$install"' ] || dpkg -s "$p" 2>/dev/null | grep -q "^Status: install"
	then
		yes "" | PATH=/usr/sbin:/sbin:$PATH dpkg --force-confnew -i "$1"
	fi
}
T=$(mktemp -d)
trap "rm -rf \"\$T\"" EXIT
tar -xC "$T"
for a in "$T"/*.deb
do
	inst-pkg "$a"
done'
fi