symfony/symfony — pull request #7753 by mpdude (2013-04-21 07:31:01+00:00)
Title: Introduce the CacheFileUtils helper

| Q | A
| ------------- | ---
| Bug fix? | no
| New feature? | yes (refactoring)
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets |
| License | MIT
| Doc PR | n/a

Some clients use ConfigCache only for its ability to atomically write into a file.

The PR moves that code into a helper class.

It's a pick off #7230.