#!/bin/sh

for i in "$@"
do
case $i in
    --scope=*)
    SCOPE="${i#*=}"
    shift # past argument=value
    ;;
    --role=*)
    ROLE="${i#*=}"
    shift # past argument=value
    ;;
    --datadir=*)
    DATADIR="${i#*=}"
    shift # past argument=value
    ;;
    --connstring=*)
    CONNSTR="${i#*=}"
    shift # past argument=value
    ;;
    *)
       # unknown option
    ;;
esac
done

# support both '-' and '/' as separator
if [ $(echo $SCOPE | grep -- -) ]
then
    VERSION=$(echo $SCOPE | sed -e 's/-.*//')
    CLUSTER=$(echo $SCOPE | sed -e 's/.*-//')
else
    VERSION=$(echo $SCOPE | sed -e 's/\/.*//')
    CLUSTER=$(echo $SCOPE | sed -e 's/.*\///')
fi

if [ -f /etc/postgresql/$VERSION/$CLUSTER/postgresql.conf ]
then
    pg_dropcluster $VERSION $CLUSTER
fi

pg_createcluster --start-conf=manual $VERSION $CLUSTER && rm -rf $DATADIR && pg_basebackup --pgdata $DATADIR -X stream --dbname=$CONNSTR
exit $?