From b7b2de9a82b2dca3aa730fccec03623682a3329d Mon Sep 17 00:00:00 2001
From: Davide Principi <davide.principi@nethesis.it>
Date: Thu, 31 Oct 2024 17:04:32 +0100
Subject: [PATCH] Save the IMAP mailbox list in the backup

The mailbox list is needed to quickly find an IMAP folder path inside
a given backup snapshot. Maildir path-encoding format can be obtained
with the "doveadm mailbox path" command.
---
 imageroot/bin/module-cleanup-state | 1 +
 imageroot/bin/module-dump-state    | 5 +++++
 imageroot/etc/state-include.conf   | 1 +
 3 files changed, 7 insertions(+)

diff --git a/imageroot/bin/module-cleanup-state b/imageroot/bin/module-cleanup-state
index a7637591..af98e8e0 100755
--- a/imageroot/bin/module-cleanup-state
+++ b/imageroot/bin/module-cleanup-state
@@ -7,4 +7,5 @@
 
 echo "Cleaning up Mail state:"
 rm -vf pcdb-dump.sql
+rm -vf maildir-dump.lst
 rm -vf *.is-enabled
diff --git a/imageroot/bin/module-dump-state b/imageroot/bin/module-dump-state
index 92f832a2..25d90e12 100755
--- a/imageroot/bin/module-dump-state
+++ b/imageroot/bin/module-dump-state
@@ -7,6 +7,11 @@
 
 echo "Dumping Mail state to disk:"
 podman exec postfix sqlite3 /srv/pcdb.sqlite .dump > pcdb-dump.sql
+echo "Saving Maildir IMAP folder index:"
+podman exec -i dovecot ash -s >maildir-dump.lst <<'EOF'
+doveadm -f tab mailbox list -A | tail -n +2 | grep -v -E $'\t''(Shared|Public)(/|$)'
+EOF
+echo "Saving service status:"
 for unit in clamav.service freshclam.timer; do
     systemctl --user is-enabled "${unit}" > "${unit}".is-enabled || : # ignore exit code
 done
diff --git a/imageroot/etc/state-include.conf b/imageroot/etc/state-include.conf
index c82cd2f3..ea92b3e7 100644
--- a/imageroot/etc/state-include.conf
+++ b/imageroot/etc/state-include.conf
@@ -4,6 +4,7 @@
 # Restic --files-from: https://restic.readthedocs.io/en/stable/040_backup.html#including-files
 #
 state/pcdb-dump.sql
+state/maildir-dump.lst
 state/dovecot.env
 state/rspamd.env
 state/*.is-enabled