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-rw-r--r--activesupport/lib/active_support/cache/file_store.rb1
1 files changed, 1 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/cache/file_store.rb b/activesupport/lib/active_support/cache/file_store.rb
index 10d39463ec..5cd6065077 100644
--- a/activesupport/lib/active_support/cache/file_store.rb
+++ b/activesupport/lib/active_support/cache/file_store.rb
@@ -97,6 +97,7 @@ module ActiveSupport
def write_entry(key, entry, options)
file_name = key_file_path(key)
+ return false if options[:unless_exist] && File.exist?(file_name)
ensure_cache_path(File.dirname(file_name))
File.atomic_write(file_name, cache_path) {|f| Marshal.dump(entry, f)}
true