#! /usr/bin/bash

set -euo pipefail

EXA_COMMAND=$(which exa)

if [ $# -eq 0 ]; then
  echo "Usage: ${0} <input_dir> <output_dir>"
  echo "This script is used for copying media"
  echo "and it's metadata."
  exit 0
fi

inp=${1}
out=${2}
ts=$(date "+%Y-%m-%d")
dirname=$(basename $inp)

mkdir -p ${out}/${dirname}_backups/

${EXA_COMMAND} ${inp} > ${out}/${dirname}_backups/${ts}_${dirname}


cd ${out}/${dirname}_backups/
ls -1t | tail -n +21 | xargs rm -rf
cd -
exit 0