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-rw-r--r--activesupport/lib/active_support/evented_file_update_checker.rb13
1 files changed, 12 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/evented_file_update_checker.rb b/activesupport/lib/active_support/evented_file_update_checker.rb
index f54f88eb0a..97e982eb05 100644
--- a/activesupport/lib/active_support/evented_file_update_checker.rb
+++ b/activesupport/lib/active_support/evented_file_update_checker.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
require "set"
require "pathname"
require "concurrent/atomic/atomic_boolean"
@@ -17,7 +19,7 @@ module ActiveSupport
#
# Example:
#
- # checker = EventedFileUpdateChecker.new(["/tmp/foo"], -> { puts "changed" })
+ # checker = ActiveSupport::EventedFileUpdateChecker.new(["/tmp/foo"]) { puts "changed" }
# checker.updated?
# # => false
# checker.execute_if_updated
@@ -32,6 +34,10 @@ module ActiveSupport
#
class EventedFileUpdateChecker #:nodoc: all
def initialize(files, dirs = {}, &block)
+ unless block
+ raise ArgumentError, "A block is required to initialize an EventedFileUpdateChecker"
+ end
+
@ph = PathHelper.new
@files = files.map { |f| @ph.xpath(f) }.to_set
@@ -121,6 +127,11 @@ module ActiveSupport
dtw.compact!
dtw.uniq!
+ normalized_gem_paths = Gem.path.map { |path| File.join path, "" }
+ dtw = dtw.reject do |path|
+ normalized_gem_paths.any? { |gem_path| path.to_s.start_with?(gem_path) }
+ end
+
@ph.filter_out_descendants(dtw)
end