diff options
Diffstat (limited to 'activesupport/lib/active_support/evented_file_update_checker.rb')
-rw-r--r-- | activesupport/lib/active_support/evented_file_update_checker.rb | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/activesupport/lib/active_support/evented_file_update_checker.rb b/activesupport/lib/active_support/evented_file_update_checker.rb index 97e982eb05..54bc5c0ae5 100644 --- a/activesupport/lib/active_support/evented_file_update_checker.rb +++ b/activesupport/lib/active_support/evented_file_update_checker.rb @@ -52,16 +52,17 @@ module ActiveSupport @pid = Process.pid @boot_mutex = Mutex.new - if (@dtw = directories_to_watch).any? + dtw = directories_to_watch + @dtw, @missing = dtw.partition(&:exist?) + + if @dtw.any? # Loading listen triggers warnings. These are originated by a legit # usage of attr_* macros for private attributes, but adds a lot of noise # to our test suite. Thus, we lazy load it and disable warnings locally. silence_warnings do - begin - require "listen" - rescue LoadError => e - raise LoadError, "Could not load the 'listen' gem. Add `gem 'listen'` to the development group of your Gemfile", e.backtrace - end + require "listen" + rescue LoadError => e + raise LoadError, "Could not load the 'listen' gem. Add `gem 'listen'` to the development group of your Gemfile", e.backtrace end end boot! @@ -75,6 +76,19 @@ module ActiveSupport @updated.make_true end end + + if @missing.any?(&:exist?) + @boot_mutex.synchronize do + appeared, @missing = @missing.partition(&:exist?) + shutdown! + + @dtw += appeared + boot! + + @updated.make_true + end + end + @updated.true? end @@ -96,6 +110,10 @@ module ActiveSupport Listen.to(*@dtw, &method(:changed)).start end + def shutdown! + Listen.stop + end + def changed(modified, added, removed) unless updated? @updated.make_true if (modified + added + removed).any? { |f| watching?(f) } @@ -123,7 +141,7 @@ module ActiveSupport end def directories_to_watch - dtw = (@files + @dirs.keys).map { |f| @ph.existing_parent(f) } + dtw = @files.map(&:dirname) + @dirs.keys dtw.compact! dtw.uniq! |