toolkit/sync/gen-torrents.sh

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#!/usr/bin/env bash
#
# Source common variables
# shellcheck disable=SC2046,1091,1090
source "$(dirname "${BASH_SOURCE[0]}")/common"
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NAME=gen-torrents
USAGE="usage: $NAME <torrentdir>"
ISODIR=${1}
if [[ -z "${ISODIR}" || $# == 0 ]]; then
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echo "$USAGE"
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exit
fi
# Setup a lock?
LOCKFILE="/tmp/${NAME}.lock"
if [ -f "$LOCKFILE" ]; then
echo "Script is already running"
exit
fi
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trap 'rm -f $LOCKFILE' EXIT
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touch $LOCKFILE
# stamp the email
# Where to put torrent data
TORRENT_DOWNLOAD_DIR="/opt/rtorrent/download"
# Where to drop created torrents
TORRENT_START_DIR="/opt/rtorrent/watch/start"
# What trackers should be used
TORRENT_TRACKERS=(
"udp://tracker.opentrackr.org:1337/announce"
"udp://tracker.openbittorrent.com:80/announce"
)
# Regex of paths to exclude
TORRENT_EXCLUDES='.*\/CHECKSUM.asc'
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TORRENT_COMMENT="https://docs.rockylinux.org/release_notes/${REVISION//\./_}/" # dots are bad, mkay?
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THREADS=10
printf "* Step 1: Create scaffolding and link\n"
cd "${TORRENT_DOWNLOAD_DIR}" || exit 1
for variant in "${VARIANTS[@]}"; do
for arch in "${ARCHES[@]}"; do
# Skip this architecture if it's not there
if [[ ! -d "${ISODIR}/${arch}" ]]; then
printf "** %s - Does not exist. Skipping.\n" "${ISODIR}/${arch}"
continue
fi
name_template="Rocky-${REVISION}-${arch}-${variant}"
if [[ ! -f "${ISODIR}/${arch}/${name_template}.iso" ]]; then
printf "** %s - Does not exist. Skipping.\n" "${ISODIR}/${arch}/${name_template}.iso"
continue
fi
printf "** Making directory: %s/%s\n" "${TORRENT_DOWNLOAD_DIR}" "${name_template}"
mkdir "${name_template}" || exit 2
printf "** Linking Version: %s; Arch: %s; Variant: %s\n" "${REVISION}" "${arch}" "${variant}"
ln -sv \
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"${ISODIR}"/"${arch}"/{"CHECKSUM"*,"${name_template}".iso*} \
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"${name_template}"/
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done
done
printf "* Step 2: Generate torrents\n"
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for torrent_directory in "${TORRENT_DOWNLOAD_DIR}"/Rocky-"${REVISION}"-*; do
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name="$(basename "${torrent_directory}")"
if [[ -d "${torrent_directory}" ]]; then
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printf "** Creating torrent for %s\n" "${torrent_directory}"
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else
continue
fi
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torrenttools create \
--announce "${TORRENT_TRACKERS[@]}" --name "${name}" \
--exclude "${TORRENT_EXCLUDES}" --output "${TORRENT_START_DIR}/${torrent_directory##*/}" \
--threads "${THREADS}" --comment "${TORRENT_COMMENT}" \
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"${torrent_directory}"
res=$?
if [[ $res -ne 0 ]]; then
printf "**[ERROR] Failed to create torrent."
exit "$res"
fi
done