gistfile1.rb

 # this code doesn't work:
 
 def install
    # override any environmental vars, set our gopath to one we know will work
    build_directory = buildpath/"build"
    build_directory.mkpath
    ENV["GOPATH"] = build_directory
    system "echo", ENV["GOPATH"]
    system "cd " + build_directory
    system "go", "build", "-o", "hugo", "main.go"

    bin.install 'hugo'
  end
  
  #error 
  
  main.go:17:2: cannot find package "github.com/spf13/hugo/commands" in any of:
	/usr/local/Cellar/go/1.2/libexec/src/pkg/github.com/spf13/hugo/commands (from $GOROOT)
	/private/tmp/hugo-mW6N/hugo-0.9/build/src/github.com/spf13/hugo/commands (from $GOPATH)
	
	#ok, so I would assume it's just downloading to the wrong directory or something
	
	#but this code works: 
	
	# override any environmental vars, set our gopath to one we know will work
 +    ENV["GOPATH"] = "#{HOMEBREW_PREFIX}/var/go/gopath"
 +
 +    system "go get github.com/spf13/hugo"
 +    system "cd #{HOMEBREW_PREFIX}/var/go/gopath"
 +    system "go build -o hugo main.go"