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discourse/spec/migrations
Régis Hanol 41db2f76f3
FIX: Ensure each flag gets a unique name_key (#40899)
Previously, flag names with no ASCII word characters (e.g. Chinese) all
normalized to the same `name_key` of `custom_`, because `set_name_key`
stripped non-`\w` characters and Ruby's `\w` is ASCII-only. The flag
system keys lookups by `name_key` (the `disabled_flag_types` enum, the
frontend `actionByName` map), so once two flags shared a key, disabling
one of them flipped `can_act` for the whole group and hid every other
flag that shared it.

This makes `name_key` reliably unique:

- `set_name_key` falls back to `custom_flag` when the slug is empty and
appends a counter (`_2`, `_3`, ...) on collision, so distinct names
always produce distinct keys. It now only re-derives the key when the
name actually changes, keeping it stable across other saves.
- A post-deploy migration backfills existing duplicate keys and adds the
unique index on `flags.name_key` that the original `create_flags`
migration intended (`unique: true` is a no-op in `create_table`).

https://meta.discourse.org/t/405254
2026-06-24 16:37:59 +02:00
..
ensure_unique_flag_name_keys_spec.rb FIX: Ensure each flag gets a unique name_key (#40899) 2026-06-24 16:37:59 +02:00
recalculate_topic_counters_without_small_actions_spec.rb