Check deps of satisfied deps

1 files changed, 11 insertions, 4 deletions

diff --git a/Library/Homebrew/dependency.rb b/Library/Homebrew/dependency.rb
index 407623810..c63e26f3f 100644
--- a/Library/Homebrew/dependency.rb
+++ b/Library/Homebrew/dependency.rb
@@ -71,8 +71,11 @@ class Dependency
     # optionals and recommendeds based on what the dependent has asked for.
     def expand(dependent, &block)
       deps = dependent.deps.map do |dep|
-        if prune?(dependent, dep, &block)
+        case action(dependent, dep, &block)
+        when :prune
           next
+        when :skip
+          expand(dep.to_formula, &block)
         else
           expand(dep.to_formula, &block) << dep
         end
@@ -81,8 +84,8 @@ class Dependency
       merge_repeats(deps)
     end
 
-    def prune?(dependent, dep, &block)
-      catch(:prune) do
+    def action(dependent, dep, &block)
+      catch(:action) do
         if block_given?
           yield dependent, dep
         elsif dep.optional? || dep.recommended?
@@ -93,7 +96,11 @@ class Dependency
 
     # Used to prune dependencies when calling expand with a block.
     def prune
-      throw(:prune, true)
+      throw(:action, :prune)
+    end
+
+    def skip
+      throw(:action, :skip)
     end
 
     def merge_repeats(deps)