sync_backups_to_dropbox.sh

#!/bin/bash

# Sync Backups to Dropbox
#
# Sync local backups to a Dropbox account
#
# @author    Connor Bär
# @copyright Copyright (c) 2017 Connor Bär
# @link      https://madebyconnor.co/
# @package   wordpress-scripts
# @since     1.0.0
# @license   MIT

# Get the directory of the currently executing script
DIR="$(dirname "${BASH_SOURCE[0]}")"

# Include files
INCLUDE_FILES=(
            "common/defaults.sh"
            ".env.sh"
            "common/common_env.sh"
            )
for INCLUDE_FILE in "${INCLUDE_FILES[@]}"
do
    if [ -f "${DIR}/${INCLUDE_FILE}" ]
    then
        source "${DIR}/${INCLUDE_FILE}"
    else
        echo "File ${DIR}/${INCLUDE_FILE} is missing, aborting."
        exit 1
    fi
done

# Set the compressed backup file name
BACKUP_FILE_NAME="backup-$(date '+%Y%m%d-%H%M%S').tar.gz"

# Make sure the local backup directory exists
if [[ ! -d "${LOCAL_BACKUPS_PATH}" ]] ; then
    echo "Creating backup directory ${LOCAL_BACKUPS_PATH}"
    mkdir -p "${LOCAL_BACKUPS_PATH}"
fi

# Archive and compress the local backup directory
tar -zcf "${BACKUP_FILE_NAME}" "${LOCAL_BACKUPS_PATH}"

# Upload the compressed backup to the Dropbox backup directory
dbxcli put "${BACKUP_FILE_NAME}" "${REMOTE_DROPBOX_PATH}${BACKUP_FILE_NAME}"

# Clean up the compressed backup file
rm -f "${BACKUP_FILE_NAME}"

echo "*** Synced backups to ${REMOTE_DROPBOX_PATH}"

# Normal exit
exit 0