backup with rsync

backup

#!/bin/bash

trap cleanup INT TERM

cleanup() {
    if [ -a "$AUTO" ]; then
		rm "$AUTO"
	fi
	if [ -a "$MANUAL" ]; then
		rm "$MANUAL"
	fi
	exit
}

# verify the config directory exists, that time.txt exists
# copy old time to time2
if [ ! -d "$HOME"/.config/backup ]; then
	mkdir -p "$HOME"/.config/backup
fi
if [ -a "$HOME"/.config/backup/time ]; then
	\cp "$HOME"/.config/backup/time "$HOME"/.config/backup/time2
fi

#overwrite old time.txt file with new time
TIME="$(date +%F-%I%p)"
echo "$TIME" > "$HOME"/.config/backup/time

# make or shift the old log file, this should not happen very often if ever
LOG_NAME="rsync-"$TIME".log"
if [ -a /tmp/"$LOG_NAME" ]; then
	COUNTER=0
	# find the latest file
	while [ -a /tmp/"$LOG_NAME"."$COUNTER" ]; do
		COUNTER=$(($COUNTER+1))
	done
	# shift everything down
#	while [ $COUNTER -gt -1 ]; do
#		if [ $COUNTER -eq 0 ]; then
#			\cp "$HOME"/.config/backup/"$LOG_NAME" "$HOME"/.config/backup/"$LOG_NAME"."$COUNTER"
#		else
#			\cp "$HOME"/.config/backup/"$LOG_NAME"."$(($COUNTER-1))" "$HOME"/.config/backup/"$LOG_NAME"."$COUNTER"
#		fi
#		COUNTER=$(($COUNTER-1))
#	done
	LOG_NAME="$LOG_NAME"."$COUNTER"
fi

>  /tmp/"$LOG_NAME"

# rsync command
EXCLUDE=""
if [ -a "$HOME"/.config/backup/exclude ]; then
	EXCLUDE="--exclude-from="$HOME"/.config/backup/exclude"
fi

rsync -azhR --chmod=Du=rwx,Dgo=rx,Fu=rw,Fgo=r --delete --stats --log-file=/tmp/"$LOG_NAME" "$EXCLUDE" --link-dest=/volume1/backups/rsync-backup/"$(cat "$HOME"/.config/backup/time2)" -e 'ssh -i /home/matthew/.ssh/id_rsa.pub' --rsync-path=/usr/bin/rsync /home/./matthew/ fryfamily@192.168.2.203:/volume1/backups/rsync-backup/"$TIME"

#don’t forget to scp the log file and put it with the backup
scp /tmp/"$LOG_NAME" nas:/volume1/backups/rsync-backup/"$TIME"/"$LOG_NAME"

# get the list of manually and automatically installed packages and store that as well
AUTO="/tmp/"$TIME"-auto.apt"
MANUAL="/tmp/"$TIME"-manual.apt"

apt-mark showauto > "$AUTO"
apt-mark showmanual > "$MANUAL"

scp "$AUTO" "$MANUAL" nas:/volume1/backups/rsync-backup/"$TIME"

cleanup