# File lib/capistrano/recipes/deploy/scm/accurev.rb, line 81
        def log(from, to=head)
          logger.info("Getting transactions between #{from} and #{to}")
          from_rev = InternalRevision.parse(from)
          to_rev = InternalRevision.parse(to)

          [
            scm(:hist, '-s', from_rev.stream, '-t', "#{to_rev.transaction_id}-#{from_rev.transaction_id}"),
            "sed -e '/transaction #{from_rev.transaction_id}/ { Q }'"
          ].join(' | ')
        end