#!/bin/sh
# generate breadcrumbs
set -e
die() {
    echo "$*" 1>&2
    exit 1
}

[ -z "$1" ] && die "usage: gencrumbs FILE"

REPO=$(dirname "$(dirname "$(readlink -f "$0")")")
FILE=$(readlink -f "$1")

rel=${FILE##$REPO/www}
parts=$(echo "$rel" | sed 's#/# #g')

printf "/home/alex"
for p in $parts; do
    if [ "$p" = "index.html" ]; then
        continue
    fi
    printf "/$p"
done
echo