Only add .rubocop.yml when --rubocop flag is passed

Signed-off-by: Utkarsh Gupta <utkarsh@debian.org>

Author: utkarsh2102

bundler/lib/bundler/cli/gem.rb

@@ -79,7 +79,6 @@ def run
       ]
 
       templates.merge!("gitignore.tt" => ".gitignore") if Bundler.git_present?
-      templates.merge!("rubocop.yml.tt" => ".rubocop.yml")
 
       if test_framework = ask_and_set_test_framework
         config[:test] = test_framework
@@ -149,6 +148,7 @@ def run
         "and the Ruby Style Guides (https://github.com/rubocop-hq/ruby-style-guide).")
         config[:rubocop] = true
         Bundler.ui.info "RuboCop enabled in config"
+        templates.merge!("rubocop.yml.tt" => ".rubocop.yml")
       end
 
       templates.merge!("exe/newgem.tt" => "exe/#{name}") if config[:exe]

bundler/spec/commands/newgem_spec.rb

@@ -169,6 +169,10 @@ def gem_skeleton_assertions
       rubocop_dep = builder.dependencies.find {|d| d.name == "rubocop" }
       expect(rubocop_dep).not_to be_nil
     end
+
+    it "generates a default .rubocop.yml" do
+      expect(bundled_app("#{gem_name}/.rubocop.yml")).to exist
+    end
   end
 
   shared_examples_for "--no-rubocop flag" do
@@ -192,6 +196,10 @@ def gem_skeleton_assertions
       rubocop_dep = builder.dependencies.find {|d| d.name == "rubocop" }
       expect(rubocop_dep).to be_nil
     end
+
+    it "doesn't generate a default .rubocop.yml" do
+      expect(bundled_app("#{gem_name}/.rubocop.yml")).to_not exist
+    end
   end
 
   shared_examples_for "CI config is absent" do
@@ -318,7 +326,6 @@ def create_temporary_dir(dir)
       expect(bundled_app("#{gem_name}/lib/#{require_path}.rb")).to exist
       expect(bundled_app("#{gem_name}/lib/#{require_path}/version.rb")).to exist
       expect(bundled_app("#{gem_name}/.gitignore")).to exist
-      expect(bundled_app("#{gem_name}/.rubocop.yml")).to exist
 
       expect(bundled_app("#{gem_name}/bin/setup")).to exist
       expect(bundled_app("#{gem_name}/bin/console")).to exist
@@ -377,12 +384,6 @@ def create_temporary_dir(dir)
       expect(bundled_app("#{gem_name}/lib/#{require_path}.rb").read).to match(/class Error < StandardError; end$/)
     end
 
-    it "creates a default .rubocop.yml" do
-      bundle "gem #{gem_name}"
-
-      expect(bundled_app("#{gem_name}/.rubocop.yml")).to exist
-    end
-
     it "runs rake without problems" do
       bundle "gem #{gem_name}"