Rakefile in imessage-0.3.0 vs Rakefile in imessage-0.3.1

@@ -1,10 +1,15 @@
-require "bundler/gem_tasks"
-require 'rspec/core/rake_task'
+# Skip these tasks when being installed by Homebrew
+unless ENV['HOMEBREW_BREW_FILE']
+  require "bundler/gem_tasks"
+  require 'rspec/core/rake_task'
 
-RSpec::Core::RakeTask.new(:spec)
+  RSpec::Core::RakeTask.new(:spec)
 
+  task :default => :spec
+end
+
 namespace :standalone do
   desc "Build standalone version of imessage"
   task :build do
     mkdir_p "build"
     File.open("build/imessage", "w") do |f|
@@ -30,7 +35,5 @@
 
     FileUtils.mkdir_p "#{prefix}/bin"
     FileUtils.cp "build/imessage", "#{prefix}/bin"
   end
 end
-
-task default: :spec