Back up raspberry pi home directory to Google Drive via scp to another computer

scp_backup.sh

#!/bin/bash

# Send a zip backup of the /home directory via scp
# to Google Drive via Sean's computer & SSH. (Need port forwarding if accessing from external network)

# The target folder name in Google Drive. Setting to something static
# instead of something like $HOSTNAME in case that ever changes.
device_name=screenpi

# Name of the file
filename=$device_name-$(date +%F).zip

# Where backup is stored locally
local_directory=.

# Content being backed up
content=/home

# Where backup is sent to
dest_directory=[USERNAME]@[ADDRESS]:/Users/[USERNAME]/'Google\ Drive'/_Backups/$device_name

# Zip content
echo "(1/2) Enter password to encrypt backup."
zip -er9 $local_directory/$filename $content

echo
echo

# Copy new backup to remote location
echo "(2/2) Enter password to log in via SSH."
scp "$local_directory/$filename" "$dest_directory/$filename"

# Delete local backup
rm $local_directory/$filename