Lazy-require tempfile for File#atomic_write

2008-11-23 15:31:57 -08:00 · 2008-11-23 15:31:57 -08:00 · 308876fca2
commit 308876fca2
parent 283418a785
1 changed files with 2 additions and 2 deletions
--- a/activesupport/lib/active_support/core_ext/file/atomic.rb
+++ b/activesupport/lib/active_support/core_ext/file/atomic.rb
@ -1,5 +1,3 @@
-require 'tempfile'
-
 module ActiveSupport #:nodoc:
  module CoreExtensions #:nodoc:
    module File #:nodoc:
@ -18,6 +16,8 @@ module Atomic
        #     file.write("hello")
        #   end
        def atomic_write(file_name, temp_dir = Dir.tmpdir)
+          require 'tempfile' unless defined?(Tempfile)
+
          temp_file = Tempfile.new(basename(file_name), temp_dir)
          yield temp_file
          temp_file.close