.alus-lfs

#!/bin/bash
# Created from the knowledge of https://www.cyberciti.biz/faq/unix-howto-read-line-by-line-from-file/

set -e


script_directory=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
resources_file="$script_directory/.alusresources"

mkdir -p "$script_directory/resources"

if [ "$1" == "--clean" ]; then

    echo "cleaning"

  for GOOD in "$script_directory/resources"/*;
  do
    resource=$(basename $GOOD)
    if grep -q -R $resource $resources_file
    then
      echo "$resource is registered"
    else
      rm $GOOD
      echo "$resource removed"
    fi
  done

else

  while IFS='     ' read -r good destination comment
  do
    destination_path="$script_directory/$destination"
    if [ -f "$destination_path" ]; then
      echo "Alus LFS resource '$destination_path' exists, nothing to download"
    else
      echo "Alus LFS resource '$destination_path' will be downloaded"
      wget -q "$good" -O "$destination_path"
    fi
  done <$resources_file

fi