From 0a4bc8494dddad1d843c51d4707a0d290b2a148d Mon Sep 17 00:00:00 2001
From: "Bob W. Hogg" <rwhogg@linux.com>
Date: Sun, 18 Sep 2016 12:11:30 -0400
Subject: [PATCH] switch to using extend pattern

---
 Library/Homebrew/dependency_collector.rb    | 12 ++++++------
 Library/Homebrew/extend/os/linux/ant_dep.rb |  4 ++++
 Library/Homebrew/extend/os/mac/ant_dep.rb   |  5 +++++
 3 files changed, 15 insertions(+), 6 deletions(-)
 create mode 100644 Library/Homebrew/extend/os/linux/ant_dep.rb
 create mode 100644 Library/Homebrew/extend/os/mac/ant_dep.rb

diff --git a/Library/Homebrew/dependency_collector.rb b/Library/Homebrew/dependency_collector.rb
index ed9fc3a851..20bf39d83e 100644
--- a/Library/Homebrew/dependency_collector.rb
+++ b/Library/Homebrew/dependency_collector.rb
@@ -5,6 +5,12 @@ require "requirement"
 require "requirements"
 require "set"
 
+if OS.mac?
+  require "extend/os/mac/ant_dep"
+elsif OS.linux?
+  require "extend/os/linux/ant_dep"
+end
+
 ## A dependency is a formula that another formula needs to install.
 ## A requirement is something other than a formula that another formula
 ## needs to be present. This includes external language modules,
@@ -135,12 +141,6 @@ class DependencyCollector
     end
   end
 
-  def ant_dep(spec, tags)
-    if MacOS.version >= :mavericks || !OS.mac?
-      Dependency.new(spec.to_s, tags)
-    end
-  end
-
   def resource_dep(spec, tags)
     tags << :build
     strategy = spec.download_strategy
diff --git a/Library/Homebrew/extend/os/linux/ant_dep.rb b/Library/Homebrew/extend/os/linux/ant_dep.rb
new file mode 100644
index 0000000000..adc85ebb07
--- /dev/null
+++ b/Library/Homebrew/extend/os/linux/ant_dep.rb
@@ -0,0 +1,4 @@
+def ant_dep(spec, tags)
+  # Always use brewed ant on Linux
+  Dependency.new(spec.to_s, tags)
+end
diff --git a/Library/Homebrew/extend/os/mac/ant_dep.rb b/Library/Homebrew/extend/os/mac/ant_dep.rb
new file mode 100644
index 0000000000..397eb0e720
--- /dev/null
+++ b/Library/Homebrew/extend/os/mac/ant_dep.rb
@@ -0,0 +1,5 @@
+def ant_dep(spec, tags)
+  if MacOS.version >= :mavericks
+    Dependency.new(spec.to_s, tags)
+  end
+end