From 0b0ca954d568505934576c2c138a371b48dabbca Mon Sep 17 00:00:00 2001
From: Stephen Blott
Date: Thu, 7 May 2015 10:26:01 +0100
Subject: Clear RegexpCache when option saved.

Fixes #1641.
---
 background_scripts/exclusions.coffee | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'background_scripts')

diff --git a/background_scripts/exclusions.coffee b/background_scripts/exclusions.coffee
index b3a3960d..5ec76e2a 100644
--- a/background_scripts/exclusions.coffee
+++ b/background_scripts/exclusions.coffee
@@ -2,6 +2,7 @@ root = exports ? window
 
 RegexpCache =
   cache: {}
+  clear: -> @cache = {}
   get: (pattern) ->
     if regexp = @cache[pattern]
       regexp
@@ -44,8 +45,8 @@ root.Exclusions = Exclusions =
     @rules = rules.filter (rule) -> rule and rule.pattern
     Settings.set("exclusionRules", @rules)
 
-  postUpdateHook: (rules) ->
-    @rules = rules
+  postUpdateHook: (@rules) ->
+    RegexpCache.clear()
 
 # Development and debug only.
 # Enable this (temporarily) to restore legacy exclusion rules from backup.
-- 
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