mod_muc_members_json: Fix potential error when removing old affiliations
Found this uncommitted change on a production server...
The affiliation data may been `nil` at some point, triggering an error?
--- a/mod_muc_members_json/mod_muc_members_json.lua Tue Sep 19 13:22:00 2023 +0200
+++ b/mod_muc_members_json/mod_muc_members_json.lua Tue Sep 19 14:55:56 2023 +0200
@@ -80,7 +80,7 @@
end
-- Remove affiliation from folk who weren't in the source data but previously were
for jid, aff, data in muc:each_affiliation() do
- if not jids[jid] and data.source == module.name then
+ if not jids[jid] and data and data.source == module.name then
muc:set_affiliation(true, jid, "none", "imported membership lost");
end
end