sort options by class hierarchie

Author: svenfuchs

Gemfile

@@ -2,7 +2,7 @@ source 'https://rubygems.org'
 
 gemspec
 
-gem 'regstry', path: '../registry'
+# gem 'regstry', path: '../registry'
 
 group :test do
   gem 'memfs'

lib/cl/opts.rb

@@ -12,7 +12,7 @@ def define(const, *args, &block)
 
       opt = Opt.new(strs, opts, block)
       opt.define(const)
-      self << opt
+      insert(opt, const)
     end
 
     def apply(cmd, opts)
@@ -27,10 +27,11 @@ def apply(cmd, opts)
       opts
     end
 
-    def <<(opt)
+    def insert(opt, const)
       delete(opt)
-      # keep the --help option at the end for help output
-      opts.empty? ? opts << opt : opts.insert(-2, opt)
+      return opts << opt if const == Cmd
+      ix = opts.index(const.superclass.opts.first)
+      opts.empty? ? opts << opt : opts.insert(ix.to_i, opt)
     end
 
     def [](key)
@@ -45,6 +46,10 @@ def delete(opt)
       opts.delete(opts.detect { |o| o.strs == opt.strs })
     end
 
+    def first
+      opts.first
+    end
+
     def to_a
       opts
     end
@@ -59,6 +64,10 @@ def deprecated
       map(&:deprecated).flatten.compact
     end
 
+    def ==(other)
+      strs == other.strs
+    end
+
     def dup
       super.tap { |obj| obj.opts = opts.dup }
     end