allow local storage of backups

test/compose/run.sh

@@ -4,6 +4,8 @@ set -e
 
 cd $(dirname $0)
 
+mkdir -p local
+
 docker-compose up -d
 sleep 5
 
@@ -13,7 +15,11 @@ docker run --rm -it \
   -v compose_backup_data:/data alpine \
   ash -c 'tar -xf /data/backup/test.tar.gz && test -f /backup/app_data/offen.db'
 
-echo "[TEST:PASS] Found relevant files in untared backup."
+echo "[TEST:PASS] Found relevant files in untared remote backup."
+
+tar -xf ./local/test.tar.gz -C /tmp && test -f /tmp/backup/app_data/offen.db
+
+echo "[TEST:PASS] Found relevant files in untared local backup."
 
 if [ "$(docker-compose ps -q | wc -l)" != "3" ]; then
   echo "[TEST:FAIL] Expected all containers to be running post backup, instead seen:"