replace GNU.make with Ruby.rake

Makefile

@@ -1,15 +0,0 @@
-ARCH=$(shell ls $(GOPATH)/pkg | head -n 1)
-PKG=$(GOPATH)/pkg/$(ARCH)/github.com/goanywhere
-
-all: test
-	@echo $HOST
-
-clean:
-	@find $(PKG) -name 'rex.a' -delete
-	@find $(PKG) -name 'rex' -type d -print0|xargs -0 rm -r
-
-build:
-	@go get -v ./...
-
-test: build
-	@go test -v ./...

Rakefile

@@ -0,0 +1,34 @@
+require 'pathname'
+require 'fileutils'
+
+OS=RbConfig::CONFIG["host_os"][0..5]
+Package = File.join("#{ENV['GOPATH']}", "pkg", "*")
+
+
+desc 'Remove previously built packages.'
+task :clean do
+  Pathname.glob("#{Package}").map {|item|
+    if item.basename.to_s.start_with?(OS)
+      base = File.join(item.to_s, 'github.com', 'goanywhere')
+      # remove compiled rex sub-packages
+      if File.exists?(File.join(base, 'rex'))
+        FileUtils.rm_r File.join(base, 'rex'), :force => true
+      end
+      # remove compiled rex package
+      if File.exists?(File.join(base, 'rex.a'))
+        FileUtils.rm File.join(base, 'rex.a'), :force => true
+      end
+    end
+  }
+end
+
+desc 'Start building whole rex packages.'
+task :build => :clean do
+  sh 'go get -v ./...'
+end
+
+
+desc 'Start testing rex packages...'
+task 'test' do
+  sh 'go test -v ./...'
+end