Merge pull request #270 from ruby-go-gem/feature/use-bundler-cache

ci: Use bundler-cache in setup-ruby

Author: sue445

.github/workflows/build.yml

@@ -123,16 +123,7 @@ jobs:
       - uses: ruby/setup-ruby@v1
         with:
           ruby-version: ${{ matrix.ruby }}
-          bundler-cache: false
-
-      # FIXME: setup-go installs cache in `vendor/` and setup-ruby installs cache in `vendor/bundle/`
-      #        If we use the cache in setup-go and setup-ruby at the same time, this doesn't work well because they use the same directory.
-      #        Therefore, the installation location needs to be changed from the setup-ruby default.
-      - name: bundle install
-        run: |
-          set -xe
-          bundle config --local path ruby-vendor/bundle
-          bundle install --jobs 4
+          bundler-cache: true
 
       - name: export CGO_CFLAGS for golangci-lint
         run: bundle exec rake go:build_envs[CGO_CFLAGS] >> $GITHUB_ENV
@@ -148,7 +139,7 @@ jobs:
         uses: golangci/golangci-lint-action@v6
         with:
           version: ${{ env.GOLANGCI_LINT_VERSION }}
-          args: --build-tags ${{ env.BUILD_TAG }}
+          args: --build-tags ${{ env.BUILD_TAG }} --modules-download-mode=readonly
 
       - name: Slack Notification (not success)
         uses: act10ns/slack@v2

_gem/README.md

@@ -87,7 +87,7 @@ namespace :go do
       end
 
       build_tag = GoGem::Util.ruby_minor_version_build_tag
-      sh GoGem::RakeTask.build_env_vars, "golangci-lint run --build-tags #{build_tag}"
+      sh GoGem::RakeTask.build_env_vars, "golangci-lint run --build-tags #{build_tag} --modules-download-mode=readonly"
     end
   end
 end

_tasks/go.rake

@@ -14,7 +14,7 @@ namespace :go do
       end
 
       build_tag = GoGem::Util.ruby_minor_version_build_tag
-      sh GoGem::RakeTask.build_env_vars, "golangci-lint run --build-tags #{build_tag}"
+      sh GoGem::RakeTask.build_env_vars, "golangci-lint run --build-tags #{build_tag} --modules-download-mode=readonly"
     end
   end