From 1a6bdd61e9f16796b7abcf04ca77554c5d79c1e6 Mon Sep 17 00:00:00 2001
From: nightpool <nightpool@cybre.space>
Date: Sat, 15 Jun 2019 10:47:09 -0400
Subject: [PATCH] Use git commit hash as part of the cache key

avoids issues with model caching being incompatible across versions
---
 lib/mastodon/redis_config.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/mastodon/redis_config.rb b/lib/mastodon/redis_config.rb
index f11d94a45..088f2271b 100644
--- a/lib/mastodon/redis_config.rb
+++ b/lib/mastodon/redis_config.rb
@@ -22,7 +22,7 @@ setup_redis_env_url
 setup_redis_env_url(:cache, false)
 
 namespace       = ENV.fetch('REDIS_NAMESPACE') { nil }
-cache_namespace = namespace ? namespace + '_cache' : 'cache'
+cache_namespace = [namespace, 'cache', `git rev-parse --short HEAD`.strip].compact.join('_')
 
 REDIS_CACHE_PARAMS = {
   expires_in: 10.minutes,