#!/bin/bash -e -o pipefail

#Install latest version of postgresql
brew install postgres

#Service postgresql should be started before use.
brew services start postgresql

#Verify PostgreSQL is ready for accept incoming connections
echo "Check PostgreSQL service is running"
i=10
COMMAND='pg_isready'
while [ $i -gt 0 ]; do
    echo "Check PostgreSQL service status"
    eval $COMMAND && break
    ((i--))
    if [ $i == 0 ]; then
        echo "PostgreSQL service not ready, all attempts exhausted"
        exit 1
    fi
    echo "PostgreSQL service not ready, wait 10 more sec, attempts left: $i"
    sleep 10
done

#Stop postgresql
brew services stop postgresql