tssalert.sh

#!/bin/bash

while read -r device version; do
    board=$(curl -s https://api.ipsw.me/v2.1/firmwares.json | jq -r ".devices[\"$device\"].BoardConfig")
    tsschecker -d "$device" -B "$board" -i "$version"
    if (( $? == 1 )); then
        if [[ ${device,,} == iphone* ]]; then
            os=iOS
        elif [[ ${device,,} == ipad* ]]; then
            os=iPadOS
        elif [[ ${device,,} == appletv* ]]; then
            os=tvOS
        fi

        curl -fsSL -X POST https://api.pushover.net/1/messages.json -d "token=$PUSHOVER_TOKEN" -d "user=$PUSHOVER_USER" -d 'title=TSS Signing Status' -d "message=$os $version is no longer being signed" -d 'priority=1' || exit
        sed -r -i "/$device\\s+$version/d" versions.txt
    fi
done < versions.txt