docker-rtorrent/entrypoint.sh

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#!/bin/bash
set -eu
# GID/UID
USER_ID=${GUID:-1000}
GROUP_ID=${PGID:-1000}
# Create group/user
getent group rtorrent >/dev/null || groupadd -g "$GROUP_ID" rtorrent
id -u rtorrent &>/dev/null || \
useradd -m -u "$USER_ID" -g rtorrent -s /bin/bash rtorrent
# Update group/user IDs
groupmod -o -g "$GROUP_ID" rtorrent
usermod -o -u "$USER_ID" rtorrent 2>/dev/null
# Copy default config
if [ ! -e /home/rtorrent/.rtorrent.rc ]; then
cp /tmp/rtorrent.rc.template /home/rtorrent/.rtorrent.rc
chown rtorrent:rtorrent /home/rtorrent/.rtorrent.rc
fi
# Execute as the rtorrent user
su - rtorrent -c "rtorrent"