Add Go language module, resources

This introduces a new GoResource category of resource. GoResources
have a specialized stage method which allows a resource to stage
itself into a gopath.

The new Go language module provides a one-liner to stage all
GoResources present in the formula.

1 files changed, 14 insertions, 0 deletions

diff --git a/Library/Homebrew/language/go.rb b/Library/Homebrew/language/go.rb
new file mode 100644
index 000000000..c0b4fb0a6
--- /dev/null
+++ b/Library/Homebrew/language/go.rb
@@ -0,0 +1,14 @@
+require "resource"
+
+module Language
+  module Go
+    # Given a set of resources, stages them to a gopath for
+    # building go software.
+    # The resource names should be the import name of the package,
+    # e.g. `resource "github.com/foo/bar"`
+    def self.stage_deps resources, target
+      godeps = resources.grep(Resource::Go)
+      godeps.each {|resource| resource.stage target}
+    end
+  end
+end