From 4fb2f17b8365185319595d178d72df6f06bcacfd Mon Sep 17 00:00:00 2001
From: Paul van Tilburg <paul@luon.net>
Date: Fri, 16 Apr 2021 22:11:58 +0200
Subject: [PATCH] Purge debconf changes from the DB on purge

---
 debian/postrm | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/debian/postrm b/debian/postrm
index 04ca3254..28949091 100644
--- a/debian/postrm
+++ b/debian/postrm
@@ -1,11 +1,16 @@
 #!/bin/sh
 set -e
 
+. /usr/share/debconf/confmodule
+
 CONDUIT_CONFIG_PATH=/etc/matrix-conduit
 CONDUIT_DATABASE_PATH=/var/lib/matrix-conduit
 
 case $1 in
   purge)
+    # Remove debconf changes from the db
+    db_purge
+
     # Per https://www.debian.org/doc/debian-policy/ch-files.html#behavior
     # "configuration files must be preserved when the package is removed, and
     #  only deleted when the package is purged."