lib/rubber/util.rb in rubber-1.3.2 vs lib/rubber/util.rb in rubber-1.5.0

@@ -28,10 +28,45 @@
     def self.sudo_open(path, perms, &block)
       open("|sudo tee #{path} > /dev/null", perms, &block)
     end
 
     def self.is_rails?
-      File.exist?(File.join(RUBBER_ROOT, 'config', 'environment.rb'))
+      File.exist?(File.join(RUBBER_ROOT, 'config', 'boot.rb'))
     end
 
+    def self.is_rails2?
+      defined?(Rails) && defined?(Rails::VERSION) && Rails::VERSION::MAJOR == 2
+    end
+
+    def self.is_rails3?
+      defined?(Rails) && defined?(Rails::VERSION) && Rails::VERSION::MAJOR == 3
+    end
+
+    def self.is_bundler?
+      File.exist?(File.join(RUBBER_ROOT, 'Gemfile'))
+    end
+
+    def self.rubber_as_plugin?
+      File.exist?(File.join(RUBBER_ROOT, 'vendor/plugins/rubber'))
+    end
+
+    def self.prompt(name, desc, required=false, default=nil)
+      value = ENV.delete(name)
+      msg = "#{desc}"
+      msg << " [#{default}]" if default
+      msg << ": "
+      unless value
+        print msg
+        value = gets
+      end
+      value = value.size == 0 ? default : value
+      self.fatal "#{name} is required, pass using environment or enter at prompt" if required && ! value
+      return value
+    end
+
+    def self.fatal(msg, code=1)
+      puts msg
+      exit code
+    end
+    
   end
 end