* Added tty: true to execute commands with docker.

* Modified log format with docker results.

itamae.gemspec

@@ -18,7 +18,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_runtime_dependency "thor"
-  spec.add_runtime_dependency "specinfra", [">= 2.37.0", "< 3.0.0"]
+  spec.add_runtime_dependency "specinfra", [">= 2.43.11", "< 3.0.0"]
   spec.add_runtime_dependency "hashie"
   spec.add_runtime_dependency "ansi"
   spec.add_runtime_dependency "schash", "~> 0.1.0"

lib/itamae/backend.rb

@@ -50,7 +50,7 @@ def run_command(commands, options = {})
 
         Itamae.logger.with_indent do
           reset_output_handler
-          result = @backend.run_command(command)
+          result = @backend.run_command(command, options)
           flush_output_handler_buffer
 
           if result.exit_status == 0 || !options[:error]
@@ -74,7 +74,7 @@ def run_command(commands, options = {})
         end
 
         if options[:error] && result.exit_status != 0
-          raise CommandExecutionError
+          fail CommandExecutionError, result.stderr
         end
 
         result
@@ -248,6 +248,10 @@ def finalize
         Itamae.logger.info "Image created: #{image.id}"
       end
 
+      def run_command(commands, options = {})
+        super(commands, options.merge({ tty: true }))
+      end
+
       private
       def create_specinfra_backend
         begin

lib/itamae/logger.rb

@@ -48,7 +48,7 @@ def color(code, &block)
       %w!debug info warn error fatal unknown!.each do |level|
         module_eval(<<-EOC, __FILE__, __LINE__ + 1)
           def #{level}(msg)
-            super("  " * indent_depth + msg)
+            super(format("%s%s", "  " * indent_depth, msg))
           end
         EOC
       end