#! /bin/sh

x="*.log"
o=""
while true;do
	if [ "$1" = "-r" ];then
		o="$o -r"
		shift
		continue
	fi
	if [ "$1" = "-N" ];then
		o="$o -N"
		shift
		continue
	fi
	if [ "$1" = "log" -o "$1" = "-l" ];then
		x="*.sum"
		o="-r"
		shift
		continue
	fi
	break
done

if [ $# != 2 ];then
	echo >&2 "$0 hammock/xxxxyyzzname hammock/XXXXYYZZothername"
	exit 1
fi

diffed=false
function diffitraw
{
	dir1=$1
	dir2=$2
	if [ ! -e "$dir2" ];then
		echo "MISSING: $dir1 $dir2"
		return
	fi
	diffgdb $o -x rpm-qa -x "$x" $dir1 $dir2
	diffed=true
}
function diffit
{
	diffitraw $1/out $2/out
}

if [ -f "$1" ];then
	if [ ! -e "${1%.tar.xz}" ];then
		(
			cd "$(dirname "$1")"
			tar xJf "$(basename "$1")"
		)
	fi
	set "${1%.tar.xz}" "$2"
	if [ ! -d "$1" ];then
		echo "! $1"
		exit 1
	fi
fi
if [ -f "$2" ];then
	if [ ! -e "${2%.tar.xz}" ];then
		(
			cd "$(dirname "$2")"
			tar xJf "$(basename "$2")"
		)
	fi
	set "$1" "${2%.tar.xz}"
	if [ ! -d "$2" ];then
		echo "! $2"
		exit 1
	fi
fi

for arch in x86_64 i386;do
	if [ -d $1-$arch ];then
		diffit $1-$arch $2-$arch
	fi
	if [ -d $1$arch ];then
		diffit $1$arch $2$arch
	fi
	if [ -d $1/*-$arch ];then
		diffit $1/*-$arch $2/*-$arch
	fi
done
if [ -d $1/out ];then
	diffit $1 $2
	diffed=true
fi
if [ "$1" != "${1#tests/}" -a -d $1 ];then
	diffitraw $1 $2
	diffed=true
fi
if ! $diffed;then
	echo "NOT FOUND: $1 $2"
fi