[Sass] [Bin] --quiet affects --watch and --update output too.

doc-src/SASS_CHANGELOG.md

@@ -13,6 +13,8 @@
 * IronRuby compatibility. This is sort of a hack: IronRuby reports its version as 1.9,
   but it doesn't support the encoding APIs, so we treat it as 1.8 instead.
 
+* The `--quiet` option now silences informational output from `--update` and `--watch`.
+
 ## 3.0.23
 
 [Tagged on GitHub](http://github.com/nex3/haml/commit/3.0.23).

lib/haml/exec.rb

@@ -124,9 +124,18 @@ module Haml
       # @param color [Symbol] The name of the color to use for this action.
       #   Can be `:red`, `:green`, or `:yellow`.
       def puts_action(name, color, arg)
+        return if @options[:for_engine][:quiet]
         printf color(color, "%11s %s\n"), name, arg
       end
 
+      # Same as \{Kernel.puts}, but doesn't print anything if the `--quiet` option is set.
+      #
+      # @param args [Array] Passed on to \{Kernel.puts}
+      def puts(*args)
+        return if @options[:for_engine][:quiet]
+        Kernel.puts(*args)
+      end
+
       # Wraps the given string in terminal escapes
       # causing it to have the given color.
       # If terminal esapes aren't supported on this platform,
@@ -300,7 +309,7 @@ END
                 'Output style. Can be nested (default), compact, compressed, or expanded.') do |name|
           @options[:for_engine][:style] = name.to_sym
         end
-        opts.on('-q', '--quiet', 'Silence warnings during compilation.') do
+        opts.on('-q', '--quiet', 'Silence warnings and status messages during compilation.') do
           @options[:for_engine][:quiet] = true
         end
         opts.on('-g', '--debug-info',