#!/bin/sh
trap "exit 1" INT

[ "$1" ] && path="$1" || path="/media/basilisk/music/sorted/"
[ "$2" ] && music="$2" || music="$(xdg-user-dir MUSIC)"
[ "$3" ] && host="$3" || host="autumn"

>&2 printf '%s:%s -> %s\n' "$host" "$path" "$music"

>&2 printf 'Confirm? [y/N] '
answer="$(head -n 1)"
[ "$answer" ] || exit 1

if [ "$answer" != "y" ] && [ "$answer" != "Y" ]; then 
	exit 1
fi

# retry until failure
while ! rsync \
	--recursive \
	--verbose \
	--partial \
	--progress \
	--ignore-existing \
	--size-only \
	"$host":"$path" "$music"
do :
done