#!/bin/sh

if [ -z "$SNAP" ]; then
    echo "SNAP not set"
    exit 1
fi

docdir="$SNAP/docs"

usage() {
    cat <<EOM
Usage: ufw.doc <doc>

Available docs are:
ufw-on-snappy
ufw
ufw-framework
iptables
ip6tables
iptables-restore
ip6tables-restore

Eg:
$ ufw.doc ufw-on-snappy | less
EOM
}

if [ -z "$1" ]; then
    usage
    exit 1
fi

doc="$docdir/$1"
if [ ! -f "$doc" ]; then
    echo "Could not find '$1'"
    usage
    exit 1
fi

cat "$doc"