Backup script for eXist-db

backup-exist.sh

#!/usr/bin/env bash

set -e
set -u

#USER="" # set username
#PASS="" # set password
#HOST="" # set host, eg. localhost:8080

COLLECTION_BASE_URL="http://$USER:$PASS@$HOST/exist/rest/db"
BACKUP_BASE_DIR="./exist-backup-$(date +%Y%m%d-%s)"

echo "Backing up $COLLECTION_BASE_URL to $BACKUP_BASE_DIR"
read -p "Press enter to continue"

function download-subdir () {
	local parent_path="$1"
	local this_path="$2"

	local full_path="$parent_path/$this_path"

	local collection_url="$COLLECTION_BASE_URL/$full_path"
	local backup_path="$BACKUP_BASE_DIR/$full_path"

	local xml_list=/tmp/exist-list.xml

	mkdir -p "$backup_path"

	curl --silent $collection_url > $xml_list
	local files=$(xmlstarlet sel --net -t --value-of '/exist:result/exist:collection/exist:resource/@name' $xml_list || true)

	for f in $files ; do
		echo "Fetching file $full_path/$f"
		curl --silent $collection_url/$f > $backup_path/$f
	done

	local subdirs=$(xmlstarlet sel --net -t --value-of '/exist:result/exist:collection/exist:collection/@name' $xml_list || true)

	for d in $subdirs ; do
		echo "Entering directory $full_path/$d"
		download-subdir $full_path $d
	done
}

download-subdir "" ""