Transmission Garbage Collector

transmission-gc.sh

#!/bin/sh

#
# INFO
#

# This works if sonarr and radarr are set up to have a Category of sonarr and radarr respectively 
# If you are using other Categories to save your automated downloads, update the script where you see:
#    "radarr"|"sonarr")
# This script will not touch anything outside those Categories

# Set this file on a cron for every 5 minutes
# Using Docker? Make your cron something like this:
#   /usr/bin/docker exec $(/usr/bin/docker ps | grep "linuxserver/transmission:latest" | awk '{print $1}') bash "/path/to/transmission-gc.sh"

# Set =~ to be insensitive
shopt -s nocasematch

TRANS_REMOTE_BIN=/usr/bin/transmission-remote
TRANS_HOST="127.0.0.1:9091"

# Amount of time (in seconds) after a torrent completes to delete them
RETENTION=2592000

# Delete torrents only when ratio is above
RATIO="1.5"

# Clean up torrents where trackers have torrent not registered
# filter list by * (which signifies a tracker error)
TORRENT_DEAD_LIST=($("${TRANS_REMOTE_BIN}" "${TRANS_HOST}" -l | sed -e '1d;$d;s/^ *//' | cut --only-delimited --delimiter=' ' --fields=1 | egrep '[0-9]+\*' | sed 's/\*$//'))
for torrent_id in "${TORRENT_DEAD_LIST[@]}"
do
  # Get the torrents metadata
  torrent_info=$("${TRANS_REMOTE_BIN}" "${TRANS_HOST}" --torrent "${torrent_id}" -i -it)
  torrent_name=$(echo "${torrent_info}" | grep "Name: *" | sed 's/Name\:\s//i' | awk '{$1=$1};1')
  torrent_path=$(echo "${torrent_info}" | grep "Location: *" | sed 's/Location\:\s//i' | awk '{$1=$1};1')
  torrent_size=$(echo "${torrent_info}" | grep "Downloaded: *" | sed 's/Downloaded\:\s//i' | awk '{$1=$1};1')
  torrent_label=$(basename "${torrent_path}")

  case "${torrent_label}" in
    "radarr"|"sonarr")
      torrent_error=$(echo "${torrent_info}" | grep "Got an error" | cut -d \" -f2)
      if [[ "${torrent_error}" =~ "unregistered" ]] || [[ "${torrent_error}" =~ "not registered" ]]; then
        # Delete torrent
        "${TRANS_REMOTE_BIN}" "${TRANS_HOST}" --torrent "${torrent_id}" --remove-and-delete > /dev/null
      fi
  esac
done

# Clean up torrent where ratio is > ${RATIO} or seeding time > ${RETENTION} seconds
# do not filter the list, get all the torrents
TORRENT_ALL_LIST=($("${TRANS_REMOTE_BIN}" "${TRANS_HOST}" -l | sed -e '1d;$d;s/^ *//' | cut --only-delimited --delimiter=' ' --fields=1))
for torrent_id in "${TORRENT_ALL_LIST[@]}"
do
  # Get the torrents metadata
  torrent_info=$("${TRANS_REMOTE_BIN}" "${TRANS_HOST}" --torrent "${torrent_id}" -i -it)
  torrent_name=$(echo "${torrent_info}" | grep "Name: *" | sed 's/Name\:\s//i' | awk '{$1=$1};1')
  torrent_path=$(echo "${torrent_info}" | grep "Location: *" | sed 's/Location\:\s//i' | awk '{$1=$1};1')
  torrent_size=$(echo "${torrent_info}" | grep "Downloaded: *" | sed 's/Downloaded\:\s//i' | awk '{$1=$1};1')
  torrent_label=$(basename "${torrent_path}")
  torrent_seeding_seconds=$(echo "${torrent_info}" | grep "Seeding Time: *" | awk -F"[()]" '{print $2}' | sed 's/\sseconds//i')
  torrent_ratio=$(echo "${torrent_info}" | grep "Ratio: *" | sed 's/Ratio\:\s//i' | awk '{$1=$1};1')

  # Debug
  # echo "${torrent_id} - ${torrent_ratio} - ${torrent_seeding_seconds} - ${torrent_label} - ${torrent_name}"

  case "${torrent_label}" in
    "radarr"|"sonarr")
      # Torrents without a ratio have "None" instead of "0.0" let's fix that
      if [[ "${torrent_ratio}" =~ "None" ]]; then
        torrent_ratio="0.0"
      fi

      # delete torrents greater than ${TTL_SECONDS}
      if [[ "${torrent_seeding_seconds}" -gt "${RETENTION}" ]]; then
        "${TRANS_REMOTE_BIN}" "${TRANS_HOST}" --torrent "${torrent_id}" --remove-and-delete > /dev/null
      fi

      # delete torrents greater than ${RATIO}
      if (( $(echo "${torrent_ratio} ${RATIO}" | awk '{print ($1 > $2)}') )); then
        "${TRANS_REMOTE_BIN}" "${TRANS_HOST}" --torrent "${torrent_id}" --remove-and-delete > /dev/null
      fi
  esac
done

The transmission-daemon resets the seeding time . So you will never get to the "RETENTION" seeding time.

This version of the script fixes that