[rubygems/rubygems] Added --bundle option for triggering bundle install automatically after bundle gem

rubygems/rubygems@59ac0db26b

Author: hsbt

lib/bundler/cli/gem.rb

@@ -68,6 +68,7 @@ def run
         test: options[:test],
         ext: extension,
         exe: options[:exe],
+        bundle: options[:bundle],
         bundler_version: bundler_dependency_version,
         git: use_git,
         github_username: github_username.empty? ? "[USERNAME]" : github_username,
@@ -258,6 +259,13 @@ def run
         IO.popen(%w[git add .], { chdir: target }, &:read)
       end
 
+      if config[:bundle]
+        Bundler.ui.info "Running bundle install in the new gem directory."
+        Dir.chdir(target) do
+          system("bundle install")
+        end
+      end
+
       # Open gemspec in editor
       open_editor(options["edit"], target.join("#{name}.gemspec")) if options[:edit]
 

spec/bundler/commands/newgem_spec.rb

@@ -47,7 +47,7 @@ def ignore_paths
     git("config --global github.user bundleuser")
 
     global_config "BUNDLE_GEM__MIT" => "false", "BUNDLE_GEM__TEST" => "false", "BUNDLE_GEM__COC" => "false", "BUNDLE_GEM__LINTER" => "false",
-                  "BUNDLE_GEM__CI" => "false", "BUNDLE_GEM__CHANGELOG" => "false"
+                  "BUNDLE_GEM__CI" => "false", "BUNDLE_GEM__CHANGELOG" => "false", "BUNDLE_GEM__BUNDLE" => "false"
   end
 
   describe "git repo initialization" do
@@ -161,6 +161,26 @@ def ignore_paths
     end
   end
 
+  shared_examples_for "--bundle flag" do
+    before do
+      bundle "gem #{gem_name} --bundle"
+    end
+    it "generates a gem skeleton with bundle install" do
+      gem_skeleton_assertions
+      expect(Kernel).to receive(:system).with("bundle", "install").once
+    end
+  end
+
+  shared_examples_for "--no-bundle flag" do
+    before do
+      bundle "gem #{gem_name} --no-bundle"
+    end
+    it "generates a gem skeleton without bundle install" do
+      gem_skeleton_assertions
+      expect(Kernel).not_to receive(:system).with("bundle", "install")
+    end
+  end
+
   shared_examples_for "--rubocop flag" do
     context "is deprecated" do
       before do