Add quiet mode

Only log errors

lib/mrsk/cli/base.rb

@@ -8,6 +8,7 @@ module Mrsk::Cli
     def self.exit_on_failure?() true end
 
     class_option :verbose, type: :boolean, aliases: "-v", desc: "Detailed logging"
+    class_option :quiet, type: :boolean, aliases: "-q", desc: "Minimal logging"
 
     class_option :version, desc: "Run commands against a specific app version"
 
@@ -35,8 +36,12 @@ module Mrsk::Cli
           commander.specific_primary! if options[:primary]
 
           if options[:verbose]
-            commander.verbose = true
-            ENV["VERBOSE"]    = "1" # For backtraces via cli/start
+            ENV["VERBOSE"] = "1" # For backtraces via cli/start
+            commander.verbosity = :debug
+          end
+
+          if options[:quiet]
+            commander.verbosity = :error
           end
         end
       end

lib/mrsk/cli/build.rb

@@ -13,13 +13,13 @@ class Mrsk::Cli::Build < Mrsk::Cli::Base
 
     run_locally do 
       begin
-        MRSK.verbosity(:debug) { execute *MRSK.builder.push }
+        MRSK.with_verbosity(:debug) { execute *MRSK.builder.push }
       rescue SSHKit::Command::Failed => e
         if e.message =~ /(no builder)|(no such file or directory)/
           error "Missing compatible builder, so creating a new one first"
 
           if cli.create
-            MRSK.verbosity(:debug) { execute *MRSK.builder.push }
+            MRSK.with_verbosity(:debug) { execute *MRSK.builder.push }
           end
         else
           raise