# force new copy of hosts there (otherwise links could be outdated)
mkdir -p /var/spool/postfix/etc
cp -f /etc/hosts       /var/spool/postfix/etc/hosts
cp -f /etc/resolv.conf /var/spool/postfix/etc/resolv.conf
cp -f /etc/services    /var/spool/postfix/etc/services

go-replace --mode=line --regex -s '^[\s]*myhostname[\s]*=.*' -r "myhostname = $HOSTNAME"

# General
go-replace --mode=lineinfile --regex \
    -s '^[\s]*myhostname[\s]*=.*.*' -r "myhostname = $HOSTNAME" \
    -s '^[\s]*inet_interfaces[\s]*=.*' -r "inet_interfaces = 127.0.0.1" \
    -- /etc/postfix/main.cf

## REPLAYHOST
if [[ -n "${POSTFIX_RELAYHOST+x}" ]]; then
    go-replace --mode=lineinfile --regex \
        -s '^[\s]*relayhost[\s]*=.*' -r "relayhost = $POSTFIX_RELAYHOST" \
        -- /etc/postfix/main.cf
fi

## MYNETWORKS
if [[ -n "${POSTFIX_MYNETWORKS+x}" ]]; then
    go-replace --mode=lineinfile --regex \
        -s '^[\s]*mynetworks[\s]*=.*' -r "mynetworks = $POSTFIX_MYNETWORKS" \
        -- /etc/postfix/main.cf
fi

# generate aliases db
newaliases || :