#!/bin/bash

# deletes psql data from specified service
resetDbVolume() {
#   Works for named and unnamed volumes and custom $PGDATA.
#   Container must be stopped
   service=${1?Must supply db service to reset}
   container=$(composeGetContainer $service)
   if [ "$container" != "" ]
   then
      echo "deleting db data from $container"
      docker-compose run --no-deps --rm $service bash -c "rm -rf \${PGDATA?Missing PGDATA env}"
   fi
}

# finds docker container for specified compose service 
composeGetContainer() {
  service=${1?"Must supply service from current project"}

  container=$( docker-compose ps | cut -d " " -f 1 -s | grep _${service}_ )
  echo $container
}