umbrel-apps/simple-torrent/hooks/pre-start
Steven Briscoe ff5dce7a48
Migrate contents of Simple torrent downloads directory to Umbrel's shared downloads directory (#356)
Co-authored-by: Steven Briscoe <me@stevenbriscoe.com>
Co-authored-by: Mayank Chhabra <mayankchhabra9@gmail.com>
2023-01-09 11:44:39 +00:00

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#!/usr/bin/env bash
set -euo pipefail
# The purpose of this pre-start hook is to migrate
# the local downloads folder for existing installations
# to Umbrel's shared downloads folder
APP_DATA_DIR="$(readlink -f $(dirname "${BASH_SOURCE[0]}")/..)"
UMBREL_ROOT="${APP_DATA_DIR}/../.."
# We need to ensure Umbrel's shared download folder
# exists and is owned by the correct user
UMBREL_DATA_DIR="${UMBREL_ROOT}/data"
UMBREL_DATA_STORAGE_DIR="${UMBREL_DATA_DIR}/storage"
UMBREL_DATA_STORAGE_DOWNLOADS_DIR="${UMBREL_DATA_STORAGE_DIR}/downloads"
DESIRED_OWNER="1000:1000"
if [[ ! -d "${UMBREL_DATA_STORAGE_DOWNLOADS_DIR}" ]]; then
mkdir -p "${UMBREL_DATA_STORAGE_DOWNLOADS_DIR}"
fi
simpletorrent_correct_permission() {
local -r path="${1}"
if [[ -d "${path}" ]]; then
owner=$(stat -c "%u:%g" "${path}")
if [[ "${owner}" != "${DESIRED_OWNER}" ]]; then
chown "${DESIRED_OWNER}" "${path}"
fi
fi
}
simpletorrent_correct_permission "${UMBREL_DATA_DIR}"
simpletorrent_correct_permission "${UMBREL_DATA_STORAGE_DIR}"
simpletorrent_correct_permission "${UMBREL_DATA_STORAGE_DOWNLOADS_DIR}"
# Migrate existing installations to use the shared downloads directory
LOCAL_DOWNLOADS_DIR="${APP_DATA_DIR}/data/downloads"
if [[ ! -d "${LOCAL_DOWNLOADS_DIR}" ]]; then
echo "No local downloads directory found. Skipping migration..."
exit
fi
# Check if local downloads is not empty
if [[ "$(ls -l "${LOCAL_DOWNLOADS_DIR}" | wc -l)" -gt "1" ]]; then
# Move contents of local downloads folder to Umbrel's shared downloads folder
mv --verbose "${LOCAL_DOWNLOADS_DIR}/"* "${UMBREL_DATA_STORAGE_DOWNLOADS_DIR}"
fi
# Check if the local downloads directory is now empty
if [[ "$(ls -l "${LOCAL_DOWNLOADS_DIR}" | wc -l)" -gt "1" ]]; then
echo "Failed to migrate local downloads directory: ${LOCAL_DOWNLOADS_DIR}"
echo "This directory still contains files/folders..."
exit
fi
rm -rf "${LOCAL_DOWNLOADS_DIR}"
echo "Local downloads directory successfully migrated"