command name shuffle -- grouped more commands together as subcommands

1 files changed, 56 insertions, 0 deletions

diff --git a/lib/lib_ext/gli.rb b/lib/lib_ext/gli.rb
new file mode 100644
index 0000000..0bfdbc1
--- /dev/null
+++ b/lib/lib_ext/gli.rb
@@ -0,0 +1,56 @@
+#
+# print subcommands indented in the main global help screen
+#
+
+module GLI
+  module Commands
+    module HelpModules
+      class GlobalHelpFormat
+        SUB_CMD_INDENT = "  "
+        def format
+          program_desc = @app.program_desc
+          program_long_desc = @app.program_long_desc
+          if program_long_desc
+            wrapper = @wrapper_class.new(Terminal.instance.size[0],4)
+            program_long_desc = "\n    #{wrapper.wrap(program_long_desc)}\n\n" if program_long_desc
+          else
+            program_long_desc = "\n"
+          end
+
+          # build a list of commands, sort them so the commands with subcommands are at the bottom
+          commands = @sorter.call(@app.commands_declaration_order.reject(&:nodoc)).sort do |a,b|
+            if a.commands.any? && b.commands.any?;  a.name <=> b.name
+            elsif a.commands.any?;                  1
+            elsif b.commands.any?;                 -1
+            else;                                   a.name <=> b.name
+            end
+          end
+
+          # build a list of command info ([name, description]), including subcommands if appropriate
+          command_info_list = []
+          commands.each do |command|
+            name = [command.name, Array(command.aliases)].flatten.join(', ')
+            command_info_list << [name, command.description]
+            if command.commands.any?
+              @sorter.call(command.commands_declaration_order).each do |cmd|
+                if command.get_default_command == cmd.name
+                  command_info_list << [SUB_CMD_INDENT + cmd.names,cmd.description + " (default)"]
+                else
+                  command_info_list << [SUB_CMD_INDENT + cmd.names,cmd.description]
+                end
+              end
+            end
+          end
+
+          # display
+          command_formatter = ListFormatter.new(command_info_list, @wrapper_class)
+          stringio = StringIO.new
+          command_formatter.output(stringio)
+          commands = stringio.string
+          global_option_descriptions = OptionsFormatter.new(global_flags_and_switches,@wrapper_class).format
+          GLOBAL_HELP.result(binding)
+        end
+      end
+    end
+  end
+end