diff options
Diffstat (limited to 'activesupport/lib/active_support/file_update_checker.rb')
| -rw-r--r-- | activesupport/lib/active_support/file_update_checker.rb | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/file_update_checker.rb b/activesupport/lib/active_support/file_update_checker.rb index 8708a502e6..b5667b6ac8 100644 --- a/activesupport/lib/active_support/file_update_checker.rb +++ b/activesupport/lib/active_support/file_update_checker.rb @@ -1,3 +1,5 @@ +require 'active_support/core_ext/time/calculations' + module ActiveSupport # FileUpdateChecker specifies the API used by Rails to watch files # and control reloading. The API depends on four methods: @@ -112,7 +114,24 @@ module ActiveSupport # reloading is not triggered. def max_mtime(paths) time_now = Time.now - paths.map {|path| File.mtime(path)}.reject {|mtime| time_now < mtime}.max + max_mtime = nil + + # Time comparisons are performed with #compare_without_coercion because + # AS redefines these operators in a way that is much slower and does not + # bring any benefit in this particular code. + # + # Read t1.compare_without_coercion(t2) < 0 as t1 < t2. + paths.each do |path| + mtime = File.mtime(path) + + next if time_now.compare_without_coercion(mtime) < 0 + + if max_mtime.nil? || max_mtime.compare_without_coercion(mtime) < 0 + max_mtime = mtime + end + end + + max_mtime end def compile_glob(hash) |