#!/bin/sh -e

cmds="$(dirname "$(realpath "$0")")"
cd "$1"
[ -s parse.hash ] && hash_our=`cat parse.hash` || :
[ -s download.hash ] && hash_their=`cat download.hash` || :
[ "$hash_our" != "$hash_their" ] || exit 0
zstd -d < feed.zst | $cmds/feed2mdir/feed2mdir . > title.tmp
mv title.tmp title
echo $hash_their > parse.hash