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#!/bin/bash
# Copyright (C) 2014, 2017 Joseph Graham <joseph@xylon.me.uk>
# Copyright (C) 2018 Luke Shumaker <lukeshu@parabola.nu>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This script finds any updated packages and calls
# `make_indivudual_torrent' for each of them. Run every hour from cron.
# pacman doesn't support multiple different packages of the same name,
# so it's OK to just stuff all the torrents into a single directory.
set -eE
shopt -s extglob globstar nullglob
. "$(dirname "$(readlink -e "$0")")/../config"
. "$(dirname "$(readlink -e "$0")")/../torrent.conf"
. "$(librelib messages)"
mkdir -p -- "${FTP_BASE}/${TORRENTPOOL}"
IFS=, # for ${TRACKERS[*]} and ${WEBSEEDS[*]}
pool_broken=0
maintain_pool() {
local pkgfile="$1"
if (( pool_broken )); then
return 0
fi
local link="${FTP_BASE}/${TORRENTPOOL}/${pkgfile##*/}.torrent"
if [[ -L $link && -f $link ]]; then
return 0
fi
pkgfile=$(readlink -f -- "$pkgfile")
if ! ln -sfrT -- "${pkgfile}.torrent" "$link"; then
pool_broken=1
fi
}
make_torrent() {
local pkgfile="$1"
local target
if [[ -f ${pkgfile}.torrent ]]; then
maintain_pool "$pkgfile"
return 0
fi
if ! [[ -f $pkgfile ]]; then
die 'Is not a file: %s' "$pkgfile"
fi
if [[ -L "$pkgfile" ]]; then
target=$(readlink -- "$pkgfile")
make_torrent "${pkgfile%/*}/${target}"
ln -sT -- "${target}.torrent" "${pkgfile}.torrent"
else
# Create the .torrent
if [[ -f "${FTP_BASE}/${TORRENTPOOL}/${pkgfile##*/}.torrent" &&
! -L "${FTP_BASE}/${TORRENTPOOL}/${pkgfile##*/}.torrent" ]]; then
ln -T -- "${FTP_BASE}/${TORRENTPOOL}/${pkgfile##*/}.torrent" "${pkgfile}.torrent"
maintain_pool "$pkgfile"
else
msg2 'Creating %s' "${pkgfile}.torrent"
mktorrent \
--announce="${TRACKERS[*]}" \
--web-seed="${WEBSEEDS[*]/%/"${pkgfile#"${FTP_BASE}"}"}" \
--output="${pkgfile}.torrent" \
-- "${pkgfile}" >/dev/null
maintain_pool "$pkgfile"
fi
fi
}
msg 'Creating .torrent files...'
for pkgfile in "$FTP_BASE"/*/os/*/*${PKGEXTS}; do
make_torrent "$pkgfile"
done
msg 'Done'
exit $pool_broken
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