allow linkables to be set to none

sometimes it doesn't make sense for a cask to link anything out to the Applications dir
zhon · Apr 28, 2013 · 021c6af · 021c6af
1 parent 50782df
commit 021c6af
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diff --git a/Casks/adobe-air.rb b/Casks/adobe-air.rb
@@ -6,4 +6,6 @@ class AdobeAir < Cask
   #caveat 'You need to run {{install_path}}/AdobeAIRInstaller.app to actually install Adobe AIR'
 
   sha1 '8fbd2dffc20442903d8b51e7362a3191f39752b4'
+
+  link :app, :none
 end
diff --git a/lib/cask/dsl.rb b/lib/cask/dsl.rb
@@ -34,7 +34,11 @@ def linkables
     end
 
     def link(type, *files)
-      linkables[type] += files
+      if files == [:none]
+        linkables[type] = []
+      else
+        linkables[type] += files
+      end
     end
 
     attr_reader :sums

diff --git a/test/cask/dsl_test.rb b/test/cask/dsl_test.rb
@@ -59,4 +59,14 @@
     instance = CaskWithLinkables.new
     Array(instance.linkables[:app]).must_equal %w[Foo.app Bar.app]
   end
+
+  it "allow linkables to be set to empty" do
+    CaskWithNoLinkables = Class.new(Cask)
+    CaskWithNoLinkables.class_eval do
+      link :app, :none
+    end
+
+    instance = CaskWithNoLinkables.new
+    Array(instance.linkable_apps).must_equal %w[]
+  end
 end