release: cleanup init

lib/release/base.rb

@@ -24,6 +24,20 @@ module Release
       puts
       exit
     end
+
+    private
+    
+      def validate_version_format (version)
+        error "invalid version number format: #{version}"  unless version =~ /\d+\.\d+\.\d+/
+      end
+
+      def validate_version_is_new (version)
+        error "version already exists: #{git_local_list_tags.join(' ')}" if git_local_list_tags.include? "v#{version}"
+      end
+
+      def validate_current_branch_master
+        error "invalid starting branch: #{current_branch}"  unless standard_branches.include? current_branch
+      end
   end
 
 end