Merge pull request #1970 from bdash/source_watcher-poll_once-perf

Eliminate quadratic behavior in SourceWatcher::poll_once!
2016-08-11 10:02:38 +01:00 · 2016-08-11 10:02:38 +01:00 · c264b05906
parent 7027b4933a dcd36a4f99
commit c264b05906
1 changed files with 1 additions and 1 deletions
--- a/middleman-core/lib/middleman-core/sources/source_watcher.rb
+++ b/middleman-core/lib/middleman-core/sources/source_watcher.rb
@ -199,7 +199,7 @@ module Middleman
    Contract ArrayOf[Pathname]
    def poll_once!
      updated = ::Middleman::Util.all_files_under(@directory.to_s, &method(:should_not_recurse?))
-      removed = @files.keys.reject { |p| updated.include?(p) }
+      removed = @files.keys - updated

      result = update(updated, removed)