projectblacklight/blacklight — pull request #804 by jcoyne (2014-02-28 21:16:27+00:00)
Title: The before_filter :current_search_session is only necessary on index

See https://github.com/projectblacklight/blacklight/commit/fbe1451d6ccc8b1ef093ae1cb19dc935df905501#diff-cde7e888634c89460ec31a49f24bdc20L15