linux/app/bin/home/backup

#!/bin/bash

for file in /var/roothome/.config/bash/module/*.sh; do
	source "${file}"
done

dow=$(/usr/bin/date +%u)             # current day of week number.
date=$(/usr/bin/date +%Y%m%d%H%M)    # date stamp.
path_src="/var/mnt/storage/hot"      # backup src location.
path_mount="/var/mnt/storage/cold_1" # backup mount location.
path_backup="${path_mount}/backup"   # backup dir location.
path_docker="${path_backup}/home"    # docker backup location.
path_media="/var/mnt/storage/cold_1/media /var/mnt/storage/cold_2/media" # media paths.

# Check if backup drive is mounted.
if [ ! -f "${path_mount}"/.mount ]; then
	echo   "Backup : ${path_mount} not mounted!"
	notify "Backup : ${path_mount} not mounted!"
	exit 1
fi

# Check if hot storage is mounted.
if [ ! -f "${path_src}"/.mount ]; then
	echo   "Backup : ${path_src} not mounted!"
	notify "Backup : ${path_src} not mounted!"
	exit 1
fi

# Tweak bash.
shopt -s globstar
shopt -s dotglob

# Cd to src storage.
builtin cd "${path_src}"

# Save media list.
/usr/bin/find ${path_media} -type d > ${path_backup}/media/ColdMedia.txt || notify 'Backup : Failed to save media list!'
cd ${path_backup}/media/
archive_fast ColdMedia.txt && rm ColdMedia.txt
archive_prune ColdMedia 1
cd -

# Backup docker.
rm ${path_docker}/${dow}_*.tgz
archive_fast docker/ && mv Docker_* ${path_docker}/ || notify 'Backup : Failed to save docker!'
cd ${path_docker}
archive_prune Docker 7
cd -

# Sync writes.
sync

# Notify completion & size.
bupsize=$(/usr/bin/du -h ${path_docker}/${dow}_*.tgz | awk '{print $1}')
notify_silent "Backup : Complete ${bupsize}."
echo "Backup : Complete ${bupsize}."