print context, simple pp! for now, better display later

src/main.cr

@@ -19,6 +19,8 @@ do_not_clean = false
 watch_only = false
 skip_build_dependencies = false
 print_deps = false
+only_print_configuration = false
+
 
 used_X = false
 OptionParser.parse do |parser|
@@ -77,6 +79,10 @@ OptionParser.parse do |parser|
 		skip_build_dependencies = true
 	}
 
+	parser.on("-p", "--print-configuration", "Only print configuration.") {
+		only_print_configuration = true
+	}
+
 	parser.invalid_option do |flag|
 		STDERR.puts "ERROR: #{flag} is not a valid option."
 		STDERR.puts parser
@@ -95,6 +101,11 @@ elsif configuration_file_requested
 	exit 1
 end
 
+if only_print_configuration
+	pp! context
+	exit 0
+end
+
 found_recipes = requested_recipes.map do |name|
 	context.find_recipe(name) || name
 end