#!/bin/bash

set -Eeu -o pipefail

VMAIL_USER={{ dovecot_vmail_user | quote }}
{% raw %}
TMPDIR=$(mktemp -d .dovecot-XXXXXX)
trap 'rm -rf -- "$TMPDIR"' EXIT

chown "$VMAIL_USER" "$TMPDIR"

doveadm user '*' | xargs -r -I{} doveadm -o plugin/quota= backup -n inbox -f -u {} "mdbox:${TMPDIR}/{}/mdbox:LAYOUT=fs"

TIMESTAMP=$(date +%Y%m%d%H%M%S)

tar czf "mailboxes-${TIMESTAMP}.tar.gz"       \
  --transform "s|^\.|mailboxes-${TIMESTAMP}|" \
  -C "$TMPDIR" .
{% endraw %}