Add bin and edit workflow

bin/gems/mercenary-0.4.0/lib/mercenary/program.rb

@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+module Mercenary
+  class Program < Command
+    attr_reader :optparse
+    attr_reader :config
+
+    # Public: Creates a new Program
+    #
+    # name - the name of the program
+    #
+    # Returns nothing
+    def initialize(name)
+      @config = {}
+      super(name)
+    end
+
+    # Public: Run the program
+    #
+    # argv - an array of string args (usually ARGV)
+    #
+    # Returns nothing
+    def go(argv)
+      logger.debug("Using args passed in: #{argv.inspect}")
+
+      cmd = nil
+
+      @optparse = OptionParser.new do |opts|
+        cmd = super(argv, opts, @config)
+      end
+
+      begin
+        @optparse.parse!(argv)
+      rescue OptionParser::InvalidOption => e
+        logger.error "Whoops, we can't understand your command."
+        logger.error e.message.to_s
+        logger.error "Run your command again with the --help switch to see available options."
+        abort
+      end
+
+      logger.debug("Parsed config: #{@config.inspect}")
+
+      begin
+        cmd.execute(argv, @config)
+      rescue StandardError => e
+        if cmd.trace
+          raise e
+        else
+          logger.error e.message
+          abort
+        end
+      end
+    end
+  end
+end