#!/bin/bash
# (C) This script is free software! You can do what you want with it, as long as you don't convert it into proprietary software
# and if you redistribute it either vertabim or modified you must do so under the same licence or GPLv3 or later.

dirname=$(pwd)
tempdir=$(mktemp -d)
cd $tempdir

#Run a sanity check
which pacman sudo wget >/dev/null 2>/dev/null || {
    echo "Cannot find pacman, sudo or wget, exiting";
    exit 1
}

echo ""
echo "Updating pacman database."
echo ""
sudo pacman -Sy --noconfirm >>"$dirname/db-sync" 2>>"$dirname/db-sync"

echo "Downloading the whitelist of free software packages."
echo ""
wget http://www.parabolagnulinux.org/docs/whitelist.txt 2>/dev/null || {
    echo "Download failed, exiting"
    exit 1
}

a=($(cut -d: -f1 whitelist.txt))

echo "Searching for packages in whitelist and not in repo"
echo ""

for i in ${a[@]} ; do
    pacman -Si $i >/dev/null 2>/dev/null || echo $i >> "$dirname/in whitelist and not in repo"
done

echo "Downloading the blacklist of proprietary software packages."
echo ""
wget http://www.parabolagnulinux.org/docs/blacklist.txt 2>/dev/null || {
    echo "Download failed, exiting"
    exit 1
}

a=($(cut -d: -f1 blacklist.txt))

echo "Searching for packages in blacklist and in repo"
echo ""

for i in ${a[@]} ; do
    pacman -Si $i >/dev/null 2>/dev/null && echo $i >> "$dirname/in blacklist and in repo"
done

rm -rf $tempdir
exit 0