Remove gitpod feature flag

- Also removed Gitpod module since we can simply
access CurrentSettings.gitpod now.
- Also updated docs to match other places such as
`doc/api/users.md`

app/helpers/preferences_helper.rb

@@ -82,7 +82,7 @@ module PreferencesHelper
 
   def integration_views
     [].tap do |views|
-      views << { name: 'gitpod', message: gitpod_enable_description, message_url: 'https://gitpod.io/', help_link: help_page_path('integration/gitpod.md') } if Gitlab::Gitpod.feature_and_settings_enabled?
+      views << { name: 'gitpod', message: gitpod_enable_description, message_url: 'https://gitpod.io/', help_link: help_page_path('integration/gitpod.md') } if Gitlab::CurrentSettings.gitpod_enabled
       views << { name: 'sourcegraph', message: sourcegraph_url_message, message_url: Gitlab::CurrentSettings.sourcegraph_url, help_link: help_page_path('user/profile/preferences.md', anchor: 'sourcegraph') } if Gitlab::Sourcegraph.feature_available? && Gitlab::CurrentSettings.sourcegraph_enabled
     end
   end

app/helpers/web_ide_button_helper.rb

@@ -26,7 +26,7 @@ module WebIdeButtonHelper
   end
 
   def show_gitpod_button?
-    show_web_ide_button? && Gitlab::Gitpod.feature_and_settings_enabled?(@project)
+    show_web_ide_button? && Gitlab::CurrentSettings.gitpod_enabled
   end
 
   def can_push_code?
@@ -54,7 +54,7 @@ module WebIdeButtonHelper
   end
 
   def gitpod_url
-    return "" unless Gitlab::Gitpod.feature_and_settings_enabled?(@project)
+    return "" unless Gitlab::CurrentSettings.gitpod_enabled
 
     "#{Gitlab::CurrentSettings.gitpod_url}##{project_tree_url(@project, tree_join(@ref, @path || ''))}"
   end

app/views/admin/application_settings/_gitpod.html.haml

-- return unless Gitlab::Gitpod.feature_available?
 - expanded = integration_expanded?('gitpod_')
 
 %section.settings.no-animate#js-gitpod-settings{ class: ('expanded' if expanded) }

changelogs/unreleased/258206-remove-gitpod-feature-flag.yml

+---
+title: Add configurable Gitpod button within projcet repository page
+merge_request: 51197
+author:
+type: added

config/feature_flags/development/gitpod.yml

----
-name: gitpod
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/37985
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/258206
-milestone: '13.4'
-type: development
-group: group::editor
-default_enabled: true

doc/integration/gitpod.md

@@ -8,10 +8,7 @@ info: "To determine the technical writer assigned to the Stage/Group associated
 # Gitpod Integration
 
 > - [Introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/228893) in GitLab 13.4.
-> - It was [deployed behind a feature flag](#enable-or-disable-the-gitpod-integration), disabled by default.
-> - [Became enabled by default](https://gitlab.com/gitlab-org/gitlab/-/issues/258206) in GitLab 13.5.
-> - It's enabled on GitLab.com.
-> - It's recommended for production use.
+> - [Feature flag removed](https://gitlab.com/gitlab-org/gitlab/-/258206) in GitLab 13.8
 > - To use it in GitLab self-managed instances, ask a GitLab administrator to [enable it](#configure-your-gitlab-instance-with-gitpod). **(CORE ONLY)**
 
 WARNING:
@@ -55,21 +52,3 @@ and get your instance up and running.
 1. Expand the **Gitpod** configuration section.
 1. Check **Enable Gitpod**.
 1. Add your Gitpod instance URL (for example, `https://gitpod.example.com`).
-
-## Enable or disable the Gitpod integration **(CORE ONLY)**
-
-The Gitpod integration is deployed behind a feature flag that is **enabled by default**.
-[GitLab administrators with access to the GitLab Rails console](../administration/feature_flags.md)
-can enable or disable it.
-
-To disable it:
-
-```ruby
-Feature.disable(:gitpod)
-```
-
-To enable it:
-
-```ruby
-Feature.enable(:gitpod)
-```

lib/gitlab/gitpod.rb

-# frozen_string_literal: true
-
-module Gitlab
-  class Gitpod
-    class << self
-      def feature_available?
-        # The gitpod_bundle feature could be conditionally applied, so check if `!off?`
-        !feature.off? || feature_enabled?
-      end
-
-      def feature_enabled?(actor = nil)
-        Feature.enabled?(:gitpod, actor, default_enabled: true)
-      end
-
-      def feature_and_settings_enabled?(actor = nil)
-        feature_enabled?(actor) && Gitlab::CurrentSettings.gitpod_enabled
-      end
-
-      private
-
-      def feature
-        Feature.get(:gitpod) # rubocop:disable Gitlab/AvoidFeatureGet
-      end
-    end
-  end
-end

spec/features/admin/admin_settings_spec.rb

@@ -17,10 +17,7 @@ RSpec.describe 'Admin updates settings' do
     end
 
     context 'General page' do
-      let(:gitpod_feature_enabled) { true }
-
       before do
-        stub_feature_flags(gitpod: gitpod_feature_enabled)
         visit general_admin_application_settings_path
       end
 
@@ -224,28 +221,16 @@ RSpec.describe 'Admin updates settings' do
       end
 
       context 'Configure Gitpod' do
-        context 'with feature disabled' do
-          let(:gitpod_feature_enabled) { false }
-
-          it 'do not show settings' do
-            expect(page).not_to have_selector('#js-gitpod-settings')
+        it 'changes gitpod settings' do
+          page.within('#js-gitpod-settings') do
+            check 'Enable Gitpod integration'
+            fill_in 'Gitpod URL', with: 'https://gitpod.test/'
+            click_button 'Save changes'
           end
-        end
-
-        context 'with feature enabled' do
-          let(:gitpod_feature_enabled) { true }
 
-          it 'changes gitpod settings' do
-            page.within('#js-gitpod-settings') do
-              check 'Enable Gitpod integration'
-              fill_in 'Gitpod URL', with: 'https://gitpod.test/'
-              click_button 'Save changes'
-            end
-
-            expect(page).to have_content 'Application settings saved successfully'
-            expect(current_settings.gitpod_url).to eq('https://gitpod.test/')
-            expect(current_settings.gitpod_enabled).to be(true)
-          end
+          expect(page).to have_content 'Application settings saved successfully'
+          expect(current_settings.gitpod_url).to eq('https://gitpod.test/')
+          expect(current_settings.gitpod_enabled).to be(true)
         end
       end
     end

spec/helpers/tree_helper_spec.rb

@@ -330,9 +330,8 @@ RSpec.describe TreeHelper do
       end
     end
 
-    context 'gitpod feature is enabled' do
+    context 'gitpod settings is enabled' do
       before do
-        stub_feature_flags(gitpod: true)
         allow(Gitlab::CurrentSettings)
           .to receive(:gitpod_enabled)
           .and_return(true)

spec/lib/gitlab/gitpod_spec.rb

-# frozen_string_literal: true
-
-require 'spec_helper'
-
-RSpec.describe Gitlab::Gitpod do
-  let_it_be(:user) { create(:user) }
-
-  before do
-    stub_feature_flags(gitpod: feature_scope)
-  end
-
-  describe '.feature_available?' do
-    subject { described_class.feature_available? }
-
-    context 'when feature has not been set' do
-      let(:feature_scope) { nil }
-
-      it { is_expected.to be_truthy }
-    end
-
-    context 'when feature is disabled' do
-      let(:feature_scope) { false }
-
-      it { is_expected.to be_falsey }
-    end
-
-    context 'when feature is enabled globally' do
-      let(:feature_scope) { true }
-
-      it { is_expected.to be_truthy }
-    end
-
-    context 'when feature is enabled only to a resource' do
-      let(:feature_scope) { user }
-
-      it { is_expected.to be_truthy }
-    end
-  end
-
-  describe '.feature_enabled?' do
-    let(:current_user) { nil }
-
-    subject { described_class.feature_enabled?(current_user) }
-
-    context 'when feature has not been set' do
-      let(:feature_scope) { nil }
-
-      it { is_expected.to be_truthy }
-    end
-
-    context 'when feature is enabled globally' do
-      let(:feature_scope) { true }
-
-      it { is_expected.to be_truthy }
-    end
-
-    context 'when feature is enabled only to a resource' do
-      let(:feature_scope) { user }
-
-      context 'for the same resource' do
-        let(:current_user) { user }
-
-        it { is_expected.to be_truthy }
-      end
-
-      context 'for a different resource' do
-        let(:current_user) { create(:user) }
-
-        it { is_expected.to be_falsey }
-      end
-    end
-  end
-end