Enable the Style/TrailingCommaInArguments cop

Use the EnforcedStyleForMultiline: no_comma option.
Signed-off-by: Rémy Coutable <remy@rymai.me>

.rubocop.yml

@@ -497,6 +497,11 @@ Style/TrailingCommaInLiteral:
   Enabled: true
   EnforcedStyleForMultiline: no_comma
 
+# This cop checks for trailing comma in argument lists.
+Style/TrailingCommaInArguments:
+  Enabled: true
+  EnforcedStyleForMultiline: no_comma
+
 # Checks for %W when interpolation is not needed.
 Style/UnneededCapitalW:
   Enabled: true

.rubocop_todo.yml

@@ -369,13 +369,6 @@ Style/SymbolProc:
 Style/TernaryParentheses:
   Enabled: false
 
-# Offense count: 53
-# Cop supports --auto-correct.
-# Configuration parameters: EnforcedStyleForMultiline, SupportedStylesForMultiline.
-# SupportedStylesForMultiline: comma, consistent_comma, no_comma
-Style/TrailingCommaInArguments:
-  Enabled: false
-
 # Offense count: 18
 # Cop supports --auto-correct.
 # Configuration parameters: AllowNamedUnderscoreVariables.

app/controllers/profiles/preferences_controller.rb

@@ -33,7 +33,7 @@ class Profiles::PreferencesController < Profiles::ApplicationController
       :color_scheme_id,
       :layout,
       :dashboard,
-      :project_view,
+      :project_view
     )
   end
 end

app/controllers/projects/issues_controller.rb

@@ -269,7 +269,7 @@ class Projects::IssuesController < Projects::ApplicationController
   def issue_params
     params.require(:issue).permit(
       :title, :assignee_id, :position, :description, :confidential,
-      :milestone_id, :due_date, :state_event, :task_num, :lock_version, label_ids: [], assignee_ids: [],
+      :milestone_id, :due_date, :state_event, :task_num, :lock_version, label_ids: [], assignee_ids: []
     )
   end
 

app/models/diff_discussion.rb

@@ -39,7 +39,7 @@ class DiffDiscussion < Discussion
   def reply_attributes
     super.merge(
       original_position: original_position.to_json,
-      position: position.to_json,
+      position: position.to_json
     )
   end
 end

app/models/key.rb

@@ -74,7 +74,7 @@ class Key < ActiveRecord::Base
     GitlabShellWorker.perform_async(
       :remove_key,
       shell_id,
-      key,
+      key
     )
   end
 

app/models/namespace.rb

@@ -56,7 +56,7 @@ class Namespace < ActiveRecord::Base
         'COALESCE(SUM(ps.storage_size), 0) AS storage_size',
         'COALESCE(SUM(ps.repository_size), 0) AS repository_size',
         'COALESCE(SUM(ps.lfs_objects_size), 0) AS lfs_objects_size',
-        'COALESCE(SUM(ps.build_artifacts_size), 0) AS build_artifacts_size',
+        'COALESCE(SUM(ps.build_artifacts_size), 0) AS build_artifacts_size'
       )
   end
 

app/models/project_services/flowdock_service.rb

@@ -37,7 +37,7 @@ class FlowdockService < Service
       repo: project.repository.path_to_repo,
       repo_url: "#{Gitlab.config.gitlab.url}/#{project.path_with_namespace}",
       commit_url: "#{Gitlab.config.gitlab.url}/#{project.path_with_namespace}/commit/%s",
-      diff_url: "#{Gitlab.config.gitlab.url}/#{project.path_with_namespace}/compare/%s...%s",
+      diff_url: "#{Gitlab.config.gitlab.url}/#{project.path_with_namespace}/compare/%s...%s"
     )
   end
 end

app/models/repository.rb

@@ -833,7 +833,7 @@ class Repository
 
       actual_options = options.merge(
         parents: [our_commit, their_commit],
-        tree: merge_index.write_tree(rugged),
+        tree: merge_index.write_tree(rugged)
       )
 
       commit_id = create_commit(actual_options)

app/models/sent_notification.rb

@@ -39,7 +39,7 @@ class SentNotification < ActiveRecord::Base
 
         noteable_type: noteable.class.name,
         noteable_id: noteable_id,
-        commit_id: commit_id,
+        commit_id: commit_id
       )
 
       create(attrs)

app/services/boards/issues/move_service.rb

@@ -38,7 +38,7 @@ module Boards
           attrs.merge!(
             add_label_ids: add_label_ids,
             remove_label_ids: remove_label_ids,
-            state_event: issue_state,
+            state_event: issue_state
           )
         end
 

app/services/notification_service.rb

@@ -298,7 +298,7 @@ class NotificationService
     recipients ||= NotificationRecipientService.new(pipeline.project).build_pipeline_recipients(
       pipeline,
       pipeline.user,
-      action: pipeline.status,
+      action: pipeline.status
     ).map(&:notification_email)
 
     if recipients.any?

app/services/system_hooks_service.rb

@@ -51,7 +51,7 @@ class SystemHooksService
         path: model.path,
         group_id: model.id,
         owner_name: owner.respond_to?(:name) ? owner.name : nil,
-        owner_email: owner.respond_to?(:email) ? owner.email : nil,
+        owner_email: owner.respond_to?(:email) ? owner.email : nil
       )
     when GroupMember
       data.merge!(group_member_data(model))

app/workers/repository_check/clear_worker.rb

@@ -8,7 +8,7 @@ module RepositoryCheck
       Project.select(:id).find_in_batches(batch_size: 100) do |batch|
         Project.where(id: batch.map(&:id)).update_all(
           last_repository_check_failed: nil,
-          last_repository_check_at: nil,
+          last_repository_check_at: nil
         )
       end
     end

app/workers/repository_check/single_repository_worker.rb

@@ -7,7 +7,7 @@ module RepositoryCheck
       project = Project.find(project_id)
       project.update_columns(
         last_repository_check_failed: !check(project),
-        last_repository_check_at: Time.now,
+        last_repository_check_at: Time.now
       )
     end
 

config/initializers/ar_monkey_patch.rb

@@ -33,7 +33,7 @@ module ActiveRecord
 
           affected_rows = relation.where(
             self.class.primary_key => id,
-            lock_col => previous_lock_value,
+            lock_col => previous_lock_value
           ).update_all(
             attributes_for_update(attribute_names).map do |name|
               [name, _read_attribute(name)]

config/initializers/hamlit.rb

@@ -3,7 +3,7 @@ module Hamlit
     def call(template)
       Engine.new(
         generator: Temple::Generators::RailsOutputBuffer,
-        attr_quote: '"',
+        attr_quote: '"'
       ).call(template.source)
     end
   end
@@ -11,7 +11,7 @@ end
 
 ActionView::Template.register_template_handler(
   :haml,
-  Hamlit::TemplateHandler.new,
+  Hamlit::TemplateHandler.new
 )
 
 Hamlit::Filters.remove_filter('coffee')

config/initializers/static_files.rb

@@ -30,14 +30,14 @@ if app.config.serve_static_files
       settings.merge!(
         host: Gitlab.config.gitlab.host,
         port: Gitlab.config.gitlab.port,
-        https: Gitlab.config.gitlab.https,
+        https: Gitlab.config.gitlab.https
       )
       app.config.middleware.insert_before(
         Gitlab::Middleware::Static,
         Gitlab::Middleware::WebpackProxy,
         proxy_path: app.config.webpack.public_path,
         proxy_host: dev_server.host,
-        proxy_port: dev_server.port,
+        proxy_port: dev_server.port
       )
     end
 

features/steps/explore/projects.rb

@@ -101,7 +101,7 @@ class Spinach::Features::ExploreProjects < Spinach::FeatureSteps
     create(:merge_request,
       title: "Bug fix for public project",
       source_project: public_project,
-      target_project: public_project,
+      target_project: public_project
           )
   end
 

lib/api/groups.rb

@@ -24,7 +24,7 @@ module API
       def present_groups(groups, options = {})
         options = options.reverse_merge(
           with: Entities::Group,
-          current_user: current_user,
+          current_user: current_user
         )
 
         groups = groups.with_statistics if options[:statistics]

lib/api/helpers.rb

@@ -301,7 +301,7 @@ module API
       UploadedFile.new(
         file_path,
         params["#{field}.name"],
-        params["#{field}.type"] || 'application/octet-stream',
+        params["#{field}.type"] || 'application/octet-stream'
       )
     end
 

lib/api/projects.rb

@@ -69,7 +69,7 @@ module API
           options = options.reverse_merge(
             with: Entities::Project,
             current_user: current_user,
-            simple: params[:simple],
+            simple: params[:simple]
           )
 
           projects = filter_projects(projects)

lib/api/v3/groups.rb

@@ -20,7 +20,7 @@ module API
         def present_groups(groups, options = {})
           options = options.reverse_merge(
             with: Entities::Group,
-            current_user: current_user,
+            current_user: current_user
           )
 
           groups = groups.with_statistics if options[:statistics]

lib/api/v3/projects.rb

@@ -88,7 +88,7 @@ module API
             options = options.reverse_merge(
               with: ::API::V3::Entities::Project,
               current_user: current_user,
-              simple: params[:simple],
+              simple: params[:simple]
             )
 
             projects = filter_projects(projects)

lib/gitlab/git/blob.rb

@@ -90,7 +90,7 @@ module Gitlab
             name: blob_entry[:name],
             data: '',
             path: path,
-            commit_id: sha,
+            commit_id: sha
           )
         end
       end

lib/gitlab/git/tree.rb

@@ -35,7 +35,7 @@ module Gitlab
               type: entry[:type],
               mode: entry[:filemode].to_s(8),
               path: path ? File.join(path, entry[:name]) : entry[:name],
-              commit_id: sha,
+              commit_id: sha
             )
           end
         end

lib/gitlab/gitaly_client/commit.rb

@@ -34,7 +34,7 @@ module Gitlab
             left_commit_id: parent_id,
             right_commit_id: commit.id,
             ignore_whitespace_change: options.fetch(:ignore_whitespace_change, false),
-            paths: options.fetch(:paths, []),
+            paths: options.fetch(:paths, [])
           )
 
           Gitlab::Git::DiffCollection.new(stub.commit_diff(request), options)

lib/gitlab/gitaly_client/util.rb

@@ -6,7 +6,7 @@ module Gitlab
           Gitaly::Repository.new(
             path: File.join(Gitlab.config.repositories.storages[repository_storage]['path'], relative_path),
             storage_name: repository_storage,
-            relative_path: relative_path,
+            relative_path: relative_path
           )
         end
       end

lib/gitlab/ldap/config.rb

@@ -39,7 +39,7 @@ module Gitlab
 
       def adapter_options
         opts = base_options.merge(
-          encryption: encryption,
+          encryption: encryption
         )
 
         opts.merge!(auth_options) if has_auth?

lib/gitlab/sentry.rb

@@ -11,7 +11,7 @@ module Gitlab
         Raven.user_context(
           id: current_user.id,
           email: current_user.email,
-          username: current_user.username,
+          username: current_user.username
         )
       end
     end

lib/gitlab/workhorse.rb

@@ -165,7 +165,7 @@ module Gitlab
           encoded_message,
           secret,
           true,
-          { iss: 'gitlab-workhorse', verify_iss: true, algorithm: 'HS256' },
+          { iss: 'gitlab-workhorse', verify_iss: true, algorithm: 'HS256' }
         )
       end
 

spec/controllers/groups_controller_spec.rb

@@ -33,7 +33,7 @@ describe GroupsController do
     before do
       create_list(:award_emoji, 3, awardable: issue_2)
       create_list(:award_emoji, 2, awardable: issue_1)
-      create_list(:award_emoji, 2, :downvote, awardable: issue_2,)
+      create_list(:award_emoji, 2, :downvote, awardable: issue_2)
 
       sign_in(user)
     end

spec/features/admin/admin_uses_repository_checks_spec.rb

@@ -23,7 +23,7 @@ feature 'Admin uses repository checks', feature: true do
     project = create(:empty_project)
     project.update_columns(
       last_repository_check_failed: true,
-      last_repository_check_at: Time.now,
+      last_repository_check_at: Time.now
     )
     visit_admin_project_page(project)
 

spec/features/copy_as_gfm_spec.rb

@@ -96,7 +96,7 @@ describe 'Copy as GFM', feature: true, js: true do
         # issue link
         "[Issue](#{namespace_project_issue_url(@project.namespace, @project, @feat.issue)})",
         # issue link with note anchor
-        "[Issue](#{namespace_project_issue_url(@project.namespace, @project, @feat.issue, anchor: 'note_123')})",
+        "[Issue](#{namespace_project_issue_url(@project.namespace, @project, @feat.issue, anchor: 'note_123')})"
       )
 
       verify(

spec/features/projects/pipelines/pipelines_spec.rb

@@ -22,7 +22,7 @@ describe 'Pipelines', :feature, :js do
           project: project,
           ref: 'master',
           status: 'running',
-          sha: project.commit.id,
+          sha: project.commit.id
         )
       end
 

spec/lib/ci/gitlab_ci_yaml_processor_spec.rb

@@ -716,7 +716,7 @@ module Ci
         expect(config_processor.builds_for_stage_and_ref("test", "master").first[:options][:cache]).to eq(
           paths: ["logs/", "binaries/"],
           untracked: true,
-          key: 'key',
+          key: 'key'
         )
       end
 
@@ -734,7 +734,7 @@ module Ci
         expect(config_processor.builds_for_stage_and_ref("test", "master").first[:options][:cache]).to eq(
           paths: ["logs/", "binaries/"],
           untracked: true,
-          key: 'key',
+          key: 'key'
         )
       end
 
@@ -753,7 +753,7 @@ module Ci
         expect(config_processor.builds_for_stage_and_ref("test", "master").first[:options][:cache]).to eq(
           paths: ["test/"],
           untracked: false,
-          key: 'local',
+          key: 'local'
         )
       end
     end

spec/lib/gitlab/auth_spec.rb

@@ -175,7 +175,7 @@ describe Gitlab::Auth, lib: true do
         user = create(
           :user,
           username: 'normal_user',
-          password: 'my-secret',
+          password: 'my-secret'
         )
 
         expect(gl_auth.find_for_git_client(user.username, user.password, project: nil, ip: 'ip'))
@@ -186,7 +186,7 @@ describe Gitlab::Auth, lib: true do
         user = create(
           :user,
           username: 'oauth2',
-          password: 'my-secret',
+          password: 'my-secret'
         )
 
         expect(gl_auth.find_for_git_client(user.username, user.password, project: nil, ip: 'ip'))

spec/lib/gitlab/ci/config/entry/global_spec.rb

@@ -167,7 +167,7 @@ describe Gitlab::Ci::Config::Entry::Global do
                          cache: { key: 'k', untracked: true, paths: ['public/'] },
                          variables: {},
                          ignore: false,
-                         after_script: ['make clean'] },
+                         after_script: ['make clean'] }
             )
           end
         end

spec/lib/gitlab/contributions_calendar_spec.rb

@@ -47,7 +47,7 @@ describe Gitlab::ContributionsCalendar do
       action: Event::CREATED,
       target: @targets[project],
       author: contributor,
-      created_at: day,
+      created_at: day
     )
   end
 

spec/lib/gitlab/git/diff_spec.rb

@@ -120,7 +120,7 @@ EOT
             new_mode: 0100644,
             from_id: '357406f3075a57708d0163752905cc1576fceacc',
             to_id: '8e5177d718c561d36efde08bad36b43687ee6bf0',
-            raw_chunks: raw_chunks,
+            raw_chunks: raw_chunks
           )
         )
       end

spec/lib/gitlab/gitaly_client/commit_spec.rb

@@ -12,7 +12,7 @@ describe Gitlab::GitalyClient::Commit do
         request = Gitaly::CommitDiffRequest.new(
           repository: repository_message,
           left_commit_id: 'cfe32cf61b73a0d5e9f13e774abde7ff789b1660',
-          right_commit_id: commit.id,
+          right_commit_id: commit.id
         )
 
         expect_any_instance_of(Gitaly::Diff::Stub).to receive(:commit_diff).with(request)
@@ -27,7 +27,7 @@ describe Gitlab::GitalyClient::Commit do
         request        = Gitaly::CommitDiffRequest.new(
           repository: repository_message,
           left_commit_id: '4b825dc642cb6eb9a060e54bf8d69288fbee4904',
-          right_commit_id: initial_commit.id,
+          right_commit_id: initial_commit.id
         )
 
         expect_any_instance_of(Gitaly::Diff::Stub).to receive(:commit_diff).with(request)

spec/models/project_services/kubernetes_service_spec.rb

@@ -168,7 +168,7 @@ describe KubernetesService, models: true, caching: true do
           { key: 'KUBE_TOKEN', value: 'token', public: false },
           { key: 'KUBE_NAMESPACE', value: 'my-project', public: true },
           { key: 'KUBE_CA_PEM', value: 'CA PEM DATA', public: true },
-          { key: 'KUBE_CA_PEM_FILE', value: 'CA PEM DATA', public: true, file: true },
+          { key: 'KUBE_CA_PEM_FILE', value: 'CA PEM DATA', public: true, file: true }
         )
       end
     end
@@ -179,7 +179,7 @@ describe KubernetesService, models: true, caching: true do
           { key: 'KUBE_URL', value: 'https://kube.domain.com', public: true },
           { key: 'KUBE_TOKEN', value: 'token', public: false },
           { key: 'KUBE_CA_PEM', value: 'CA PEM DATA', public: true },
-          { key: 'KUBE_CA_PEM_FILE', value: 'CA PEM DATA', public: true, file: true },
+          { key: 'KUBE_CA_PEM_FILE', value: 'CA PEM DATA', public: true, file: true }
         )
       end
 

spec/models/project_statistics_spec.rb

@@ -35,7 +35,7 @@ describe ProjectStatistics, models: true do
         commit_count: 8.exabytes - 1,
         repository_size: 2.exabytes,
         lfs_objects_size: 2.exabytes,
-        build_artifacts_size: 4.exabytes - 1,
+        build_artifacts_size: 4.exabytes - 1
       )
 
       statistics.reload
@@ -149,7 +149,7 @@ describe ProjectStatistics, models: true do
     it "sums all storage counters" do
       statistics.update!(
         repository_size: 2,
-        lfs_objects_size: 3,
+        lfs_objects_size: 3
       )
 
       statistics.reload

spec/requests/ci/api/builds_spec.rb

@@ -185,7 +185,7 @@ describe Ci::API::Builds do
             { "key" => "CI_PIPELINE_TRIGGERED", "value" => "true", "public" => true },
             { "key" => "DB_NAME", "value" => "postgres", "public" => true },
             { "key" => "SECRET_KEY", "value" => "secret_value", "public" => false },
-            { "key" => "TRIGGER_KEY_1", "value" => "TRIGGER_VALUE_1", "public" => false },
+            { "key" => "TRIGGER_KEY_1", "value" => "TRIGGER_VALUE_1", "public" => false }
           )
         end
       end

spec/requests/openid_connect_spec.rb

@@ -61,7 +61,7 @@ describe 'OpenID Connect requests' do
           email: private_email.email,
           public_email: public_email.email,
           website_url: 'https://example.com',
-          avatar: fixture_file_upload(Rails.root + "spec/fixtures/dk.png"),
+          avatar: fixture_file_upload(Rails.root + "spec/fixtures/dk.png")
         )
       end
 

spec/services/issues/build_service_spec.rb

@@ -136,7 +136,7 @@ describe Issues::BuildService, services: true do
         user,
         title: 'Issue #1',
         description: 'Issue description',
-        milestone_id: milestone.id,
+        milestone_id: milestone.id
       ).execute
 
       expect(issue.title).to eq('Issue #1')

spec/services/issues/resolve_discussions_spec.rb

@@ -77,7 +77,7 @@ describe Issues::ResolveDiscussions, services: true do
         _second_discussion = Discussion.new([create(:diff_note_on_merge_request, :resolved,
                                                    noteable: merge_request,
                                                    project: merge_request.target_project,
-                                                   line_number: 15,
+                                                   line_number: 15
                                                    )])
         service = DummyService.new(
           project,

spec/workers/git_garbage_collect_worker_spec.rb

@@ -105,7 +105,7 @@ describe GitGarbageCollectWorker do
       author: Gitlab::Git.committer_hash(email: 'foo@bar', name: 'baz'),
       committer: Gitlab::Git.committer_hash(email: 'foo@bar', name: 'baz'),
       tree: old_commit.tree,
-      parents: [old_commit],
+      parents: [old_commit]
     )
     GitOperationService.new(nil, project.repository).send(
       :update_ref,

spec/workers/repository_check/clear_worker_spec.rb

@@ -5,7 +5,7 @@ describe RepositoryCheck::ClearWorker do
     project = create(:empty_project)
     project.update_columns(
       last_repository_check_failed: true,
-      last_repository_check_at: Time.now,
+      last_repository_check_at: Time.now
     )
 
     described_class.new.perform