Revert "Merge pull request ruby#183 from aycabta/file-dryrun-bug-92"

This reverts commit 5ba97af, reversing
changes made to bc5765f.

Fixes ruby#246

lib/rake/file_task.rb

@@ -30,14 +30,7 @@ def timestamp
 
     # Are there any prerequisites with a later time than the given time stamp?
     def out_of_date?(stamp)
-      all_prerequisite_tasks.any? { |prereq|
-        prereq_task = application[prereq, @scope]
-        if prereq_task.instance_of?(Rake::FileTask)
-          prereq_task.timestamp > stamp || @application.options.build_all
-        else
-          prereq_task.timestamp > stamp
-        end
-      }
+      @prerequisites.any? { |n| application[n, @scope].timestamp > stamp }
     end
 
     # ----------------------------------------------------------------

test/support/rakefile_definitions.rb

@@ -78,24 +78,6 @@ def rakefile_chains
     DEFAULT
   end
 
-  def rakefile_file_chains
-    rakefile <<-RAKEFILE
-file "fileA" do |t|
-  sh "echo contentA >\#{t.name}"
-end
-
-file "fileB" => "fileA" do |t|
-  sh "(cat fileA; echo transformationB) >\#{t.name}"
-end
-
-file "fileC" => "fileB" do |t|
-  sh "(cat fileB; echo transformationC) >\#{t.name}"
-end
-
-task default: "fileC"
-    RAKEFILE
-  end
-
   def rakefile_comments
     rakefile <<-COMMENTS
 # comment for t1

test/test_rake_functional.rb

@@ -296,26 +296,6 @@ def test_rules_chaining_to_file_task
            "'play.app' file should exist"
   end
 
-  def dryrun_tasks
-    @err.split("\n").select { |line|
-      line.match(/^\*\* Execute/)
-    }.map { |line|
-      line.gsub(/^\*\* Execute \(dry run\) /, "")
-    }
-  end
-
-  def test_update_midway_through_chaining_to_file_task
-    rakefile_file_chains
-
-    rake "-n"
-    assert_equal(%w{fileA fileB fileC default}, dryrun_tasks)
-    rake
-    sleep 1 # Ensure the timestamp is on a new second
-    FileUtils.touch("fileA")
-    rake "-n"
-    assert_equal(%w{fileB fileC default}, dryrun_tasks)
-  end
-
   def test_file_creation_task
     rakefile_file_creation