#!/bin/sh
#
# generate WOT graphs
#
# requries: gpg, sig2dot, neato
#
# The PNG picture goes to stdout


usage() {
	echo "usage: wot-graph.sh <keyring.gpg> [update|YYYY-MM-DD]"
	exit
}

[ $# -lt 1 -o $# -gt 2 ] && usage


if [ "$2" = "update" ] ; then
	gpg --no-default-keyring --keyring "$1" --refresh-keys  --keyserver subkeys.pgp.net
	exit $?
fi

[ $# -eq 2 ] && date="-d $2"

gpg --no-default-keyring --keyring "$1" --list-sigs | sig2dot $date 2>/dev/null | neato -Tpng