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authorEvan Prodromou <evan@status.net>2010-12-06 17:05:32 -0500
committerEvan Prodromou <evan@status.net>2010-12-06 17:20:26 -0500
commit004d58fdb83e6cb2586af1d9ae30657ce473a2dc (patch)
tree5b1322fd44dd513cf47beacd3ab03503e894bf51 /background
parentb4fc54c308936477706acb5cc3c4acae4c3f3a4d (diff)
Make code-dependent cache entries more volatile
If a cache entry is dependent on the code that's running, upgrading (or enabling/disabling plugins) can generate hard-to-track inconsistencies. This change adds a close-to-unique fingerprint of the running code to some cache keys, so that if the fingerprint changes, the old values are ignored and new values are used. If the automated uniqueness fails, an administrator can add an extra config value, $config['site']['build'], that's thrown into the key also.
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