[UI] Fix output color & warning crash

lib/cocoapods/command.rb

@@ -52,11 +52,18 @@ module Pod
     #
     # @todo We should probably not even load colored unless needed.
     #
+    # @todo Move silent flag to CLAide.
+    #
+    # @note It is importat that the commadnds don't overide the default
+    #       settings if their flag is missing (i.e. their value is nil)
+    #
     def initialize(argv)
-      config.silent = argv.flag?('silent', config.silent)
-      config.verbose = argv.flag?('verbose', config.verbose?)
-      String.send(:define_method, :colorize) { |string , _| string } unless self.colorize_output?
       super
+      config.silent = argv.flag?('silent', config.silent)
+      config.verbose = self.verbose? unless self.verbose.nil?
+      unless self.colorize_output?
+        String.send(:define_method, :colorize) { |string , _| string }
+      end
     end
 
     #-------------------------------------------------------------------------#

lib/cocoapods/user_interface.rb

@@ -145,7 +145,7 @@ module Pod
       # return [void]
       #
       def warn(message, actions = [], verbose_only = false)
-        warnings << { :message => message, :actions => actions }
+        warnings << { :message => message, :actions => actions, :verbose_only => verbose_only }
       end
 
       # Prints the stored warnings. This method is intended to be called at the
@@ -154,9 +154,9 @@ module Pod
       # @return [void]
       #
       def print_warnings
-        return if config.silent? && verbose_only
         STDOUT.flush
         warnings.each do |warning|
+          next if warning[:verbose_only] && !config.verbose?
           STDERR.puts("\n[!] #{warning[:message]}".yellow)
           warning[:actions].each do |action|
             indented = wrap_string(action, "    - ")