Install Go in .gitlab-ci.yml

Author: sue445

bundler/lib/bundler/templates/newgem/gitlab-ci.yml.tt

@@ -5,6 +5,11 @@ default:
 <%- if config[:ext] == 'rust' -%>
     - apt-get update && apt-get install -y clang
     - gem update --system '<%= ::Gem.rubygems_version %>'
+<%- end -%>
+<%- if config[:ext] == 'go' -%>
+    - wget https://go.dev/dl/go$GO_VERSION.linux-amd64.tar.gz -O /tmp/go.tar.gz
+    - tar -C /usr/local -xzf /tmp/go.tar.gz
+    - export PATH=/usr/local/go/bin:$PATH
 <%- end -%>
     - gem install bundler -v <%= Bundler::VERSION %>
     - bundle install
@@ -13,6 +18,10 @@ example_job:
 <%- if config[:ext] == 'rust' -%>
   variables:
     RB_SYS_FORCE_INSTALL_RUST_TOOLCHAIN: 'true'
+<%- end -%>
+<%- if config[:ext] == 'go' -%>
+  variables:
+    GO_VERSION: '1.23.0'
 <%- end -%>
   script:
     - bundle exec rake

bundler/spec/commands/newgem_spec.rb

@@ -1711,6 +1711,25 @@ def create_temporary_dir(dir)
         end
       end
 
+      context "--ci set to gitlab" do
+        let(:flags) { "--ext=go --ci=gitlab" }
+
+        it "generates a .gitlab-ci.yml" do
+          expect(bundled_app("#{gem_name}/.gitlab-ci.yml")).to exist
+
+          expect(bundled_app("#{gem_name}/.gitlab-ci.yml").read).to include(<<-YAML)
+    - wget https://go.dev/dl/go$GO_VERSION.linux-amd64.tar.gz -O /tmp/go.tar.gz
+    - tar -C /usr/local -xzf /tmp/go.tar.gz
+    - export PATH=/usr/local/go/bin:$PATH
+          YAML
+
+          expect(bundled_app("#{gem_name}/.gitlab-ci.yml").read).to include(<<-YAML.strip)
+  variables:
+    GO_VERSION:
+          YAML
+        end
+      end
+
       context "when Go is installed" do
         before do
           skip "Go isn't installed" unless system("go version")