#!/bin/bash

set -e

cwd=$(dirname "$0")

if [ $EUID -ne 0 ]; then
    echo "This script must be run with root privileges."
    exit 1
fi

if ! which mogrify > /dev/null 2>&1; then
	echo "Please install imagemagick first"
	exit 1
fi

if ! which exiftool > /dev/null 2>&1; then
	echo "Please install libimage-exiftool-perl first"
	exit 1
fi

cp "$cwd/jpeg-exif-thumbnailer" /usr/bin/
chmod +x /usr/bin/jpeg-exif-thumbnailer
cp "$cwd/jpeg-exif.thumbnailer" /usr/share/thumbnailers/
grep -l --exclude=jpeg-exif.thumbnailer image/jpeg /usr/share/thumbnailers/*.thumbnailer | xargs --no-run-if-empty sed -i 's|image/jpeg|image/disabled-jpeg|g'