hostess 0.2.1 (new formula)

Closes #5257.

Signed-off-by: Mike McQuaid <mike@mikemcquaid.com>

Formula/hostess.rb

@@ -0,0 +1,24 @@
+class Hostess < Formula
+  desc "Idempotent command-line utility for managing your /etc/hosts file"
+  homepage "https://github.com/cbednarski/hostess"
+  url "https://github.com/cbednarski/hostess/archive/v0.2.1.tar.gz"
+  sha256 "3be0198f358d49aa9b17fd8622ab5d4e3732dc45226fe1804f245a0773504aee"
+  head "https://github.com/cbednarski/hostess.git"
+
+  depends_on "go" => :build
+
+  def install
+    ENV["GOPATH"] = buildpath
+    dir = buildpath/"src/github.com/cbednarski/hostess"
+    dir.install buildpath.children
+
+    cd dir/"cmd/hostess" do
+      system "go", "install"
+    end
+    bin.install "bin/hostess"
+  end
+
+  test do
+    system bin/"hostess", "--help"
+  end
+end