Experimenting with building the commands api for wheelbarrow

lib/wheelbarrow/command.rb

@@ -0,0 +1,46 @@
+module Wheelbarrow
+  def Command cmd_name, args
+    Commands.const_get(cmd_name.capitalize).new args
+  end
+
+  module Commands
+    class Command
+      def initialize args
+        @args = parse_args args
+      end
+
+      protected
+
+      def self.flag name, options = {}
+      end
+
+      private
+
+      def parse_args args
+        flags = []
+        args_enum = args.to_enum
+        arg = ''
+        loop do
+          begin
+            arg = args_enum.next
+          rescue StopIteration
+            break
+          end
+          if arg.include? "="
+            arg_name, arg_val = arg.split "="
+            flags << [strip_dashes(arg_name), arg_val]
+          elsif arg.start_with? '-'
+            flags << [strip_dashes(arg)]
+          else
+            flags.last << arg
+          end
+        end
+        flags
+      end
+
+      def strip_dashes str
+        str[/-*([^-]*)/,1]
+      end
+    end
+  end
+end

lib/wheelbarrow/commands/setup.rb

@@ -0,0 +1,8 @@
+module Wheelbarrow
+  module Commands
+    class Setup < Command
+      flag :app_dir, short: :a, description: "Path to the directory where the app should be deployed"
+      flag :repo, short: :r, description: "Path to the Git repository where the Git hook should be installed"
+    end
+  end
+end