Rsync backup of home directory

gistfile1.txt

#!/bin/bash


# (expiration is in days)
BACKUP_SRC=/home/manos
BACKUP_DEST=/media/manos/Backup
BACKUP_PREFIX=backup-
BACKUP_EXPIRY=365

# Remove old backups
find ${BACKUP_DIR} -atime +${BACKUP_EXPIRY} -name "${BACKUP_PREFIX}*" -exec rm {} \;

# Create a new backup folder
TIMESTAMP=`date +%Y%m%d`
BACKUP_DIR="${BACKUP_DEST}/${BACKUP_PREFIX}${TIMESTAMP}"
mkdir "$BACKUP_DIR"


# If this is the very first backup (we use rsync instead of vanilla cp
# to be able and exclude some paths)
if [[ `ls -F | egrep "$BACKUP_PREFIX.*/" | wc -l` == '0' ]]; then
	rsync -av "$BACKUP_SRC" "$BACKUP_DIR" \
		--exclude='.gvfs'  \
		--exclude='.dbus'  \
		--exclude='.cache' \
		--exclude='.viminfo'
else


# If we already have a backup
	LAST_BACKUP=`ls -F | egrep "$BACKUP_PREFIX.*/" | sort | tail -n 1`
	# Make a copy of an older backup
	cp -al "$LAST_BACKUP" "$BACKUP_DIR"
	# Sync any changes from the directory we actually want to backup
	rsync -av --delete "$BACKUP_SRC" "$BACKUP_DIR"
fi