Invoke commands to combine

Author: IvanShamatov

dry-cli.gemspec

@@ -27,6 +27,7 @@ Gem::Specification.new do |spec|
 
   # to update dependencies edit project.yml
   spec.add_runtime_dependency "concurrent-ruby", "~> 1.0"
+  spec.add_runtime_dependency "dry-effects"
 
   spec.add_development_dependency "bundler", ">= 1.6", "< 3"
   spec.add_development_dependency "rake", "~> 13.0"

lib/dry/cli.rb

@@ -1,4 +1,5 @@
 # frozen_string_literal: true
+require 'dry/effects'
 
 # Dry
 #
@@ -17,6 +18,8 @@ class CLI
     require 'dry/cli/banner'
     require 'dry/cli/inflector'
 
+    include Dry::Effects::Handler.Reader(:cli)
+
     # Check if command
     #
     # @param command [Object] the command to check
@@ -101,7 +104,7 @@ def perform_registry(arguments, out)
         command, args = parse(result.command, result.arguments, result.names, out)
 
         result.before_callbacks.run(command, args)
-        command.call(**args)
+        with_cli(self) { command.call(**args) }
         result.after_callbacks.run(command, args)
       else
         usage(result, out)

lib/dry/cli/command.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 require 'forwardable'
+require 'open3'
+require 'dry/cli/program_name'
 require 'concurrent/array'
 require 'dry/cli/option'
 
@@ -15,6 +17,7 @@ class Command
       def self.inherited(base)
         super
         base.extend ClassMethods
+        base.include Dry::Effects.Reader(:cli)
       end
 
       # @since 0.1.0
@@ -352,6 +355,11 @@ def self.optional_arguments
         required_arguments
         optional_arguments
       ] => 'self.class'
+
+      def invoke(command, *arguments)
+        command = [command] unless command.is_a?(Array)
+        cli.call(arguments: [*command, *arguments])
+      end
     end
   end
 end

spec/integration/commands_spec.rb

@@ -11,4 +11,9 @@
       end
     end
   end
+
+  it 'calls other commands from inside call' do
+    output = `foo g scaffold Test`
+    expect(output).to eq("generate model - model: Test\ngenerate secret - app: \n")
+  end
 end

spec/support/fixtures/foo

@@ -264,6 +264,17 @@ module Foo
             puts "generate secret - app: #{app}"
           end
         end
+
+        class Scaffold < Dry::CLI::Command
+          desc 'Generate scaffold'
+
+          argument :model, required: true, desc: 'Scaffold for model'
+
+          def call(model:)
+            invoke(%w[g model], model)
+            invoke(%w[g secret])
+          end
+        end
       end
 
       class New < Dry::CLI::Command
@@ -427,6 +438,7 @@ Foo::CLI::Commands.register 'generate', aliases: ['g'] do |prefix|
   prefix.register 'migration', Foo::CLI::Commands::Generate::Migration
   prefix.register 'model',     Foo::CLI::Commands::Generate::Model
   prefix.register 'secret',    Foo::CLI::Commands::Generate::Secret
+  prefix.register 'scaffold',  Foo::CLI::Commands::Generate::Scaffold
 end
 Foo::CLI::Commands.register 'new',     Foo::CLI::Commands::New
 Foo::CLI::Commands.register 'routes',  Foo::CLI::Commands::Routes