add list of trackers to transmission downloads

transmission_add_trackers.sh

#!/bin/bash
# Get transmission credentials, if set
if [[ -n "$TRANSMISSION_USER" && -n "$TRANSMISSION_PASS" ]]; then
    auth="${TRANSMISSION_USER:-user}:${TRANSMISSION_PASS:-password}"
else
    auth=
fi
#https://gist.github.com/neuthral/3690548c19a7740a9620794bc4537568/raw/62791f6884897420c96c86c121529f1ef1671b84/alive_trackers_26_11_2022.txt
#https://raw.githubusercontent.com/ngosang/trackerslist/master/trackers_all.txt

host=${TRANSMISSION_HOST:-localhost:65535}
list_url=${TRACKER_URL:-"file://$(pwd)/trackers_26_11_2022_alive.txt"}

add_trackers () {
    torrent_hash=$1
    for base_url in "${list_url}" ; do
        echo -e "\e[1m\e[5m"
        echo "URL for ${base_url}"
        echo -e "Adding trackers for \e[91m$torrent_name..."
        echo -en "\e[0m"
        echo -e "\e[2m\e[92m"
        for tracker in $(curl --location -# "${base_url}") ; do
            echo -en "\e[0m"
            echo -ne "\e[93m*\e[0m ${tracker}..."
            if transmission-remote "$host" --torrent "${torrent_hash}" -td "${tracker}" | grep -q 'success'; then
                echo -e '\e[92m done.'
                echo -en "\e[0m"
            else
                echo -e '\e[93m already added.'
                echo -en "\e[0m"
            fi
            sleep 0.1
        done
    done
}

# Get list of active torrents
ids=${1:-"$(transmission-remote "$host" --list | grep -vE 'Seeding|Stopped|Finished' | grep '^ ' | awk '{ print $1 }')"}

for id in $ids ; do
    hash="$(transmission-remote "$host" --torrent "$id" --info | grep '^  Hash: ' | awk '{ print $2 }')"
    torrent_name="$(transmission-remote "$host" --torrent "$id" --info | grep '^  Name: ' |cut -c 9-)"
    add_trackers "$hash"
done