create_rpi_json

#!/bin/bash

if [ -z ${1} ]; then
  echo "Error: Must supply release version number"
  exit 1
else
  LE_VERSION="${1}"
fi

LE_DESCRIPTION="A fast and user-friendly Kodi Entertainment Center distribution"


json_output="{\n"
json_output+="\t\"os_list\": [\n"


LIST_OF_IMAGES=($(find target/ -name "LibreELEC-RPi*$LE_VERSION.img.gz"))
image_count=${#LIST_OF_IMAGES[@]}
loop_count=0

for img in "${LIST_OF_IMAGES[@]}"; do
  IMAGE_NAME=$(basename $img)
  IMAGE_EXTRACT_SIZE=$(zcat $img | wc -c)
  IMAGE_SHA256=$(zcat $img | sha256sum | cut -d " " -f 1)
  IMAGE_DL_SIZE=$(du $img | cut -f 1)
  IMAGE_RELEASE_DATE=$(date -r $img "+%F")

  DEVICES=$( echo $IMAGE_NAME | cut -d "-" -f 2 | cut -d "." -f 1)
  if [ $DEVICES = "RPi4"  ]; then
    DEVICES="RPi4"
  elif [ $DEVICES = "RPi2" ]; then
    DEVICES="RPi2/RPi3"
  else
    DEVICES="RPi0/RPi1"
  fi

  loop_count=$((loop_count+1))
  json_output+="\t\t{\n"
  json_output+="\t\t\"url\": \"http://releases.libreelec.tv/$IMAGE_NAME\",\n"
  json_output+="\t\t\"extract_size\": $IMAGE_EXTRACT_SIZE,\n"
  json_output+="\t\t\"extract_sha256\": \"$IMAGE_SHA256\",\n"
  json_output+="\t\t\"image_download_size\": $IMAGE_DL_SIZE,\n"
  json_output+="\t\t\"description\": \"${LE_DESCRIPTION}\",\n"
  json_output+="\t\t\"icon\": \"http://releases.libreelec.tv/noobs/LibreELEC_RPi/LibreELEC_RPi.png\",\n"
  json_output+="\t\t\"name\": \"LibreELEC (${DEVICES})\",\n"
  json_output+="\t\t\"release_date\": \"${IMAGE_RELEASE_DATE}\"\n"
  if [ $loop_count -ne $image_count ]; then
    json_output+="\t\t},\n"
  else
    json_output+="\t\t}\n"
  fi
done

json_output+="\t]\n"
json_output+="}\n"

echo -e "${json_output}"