Show disabled project repo mirrors

Show disabled mirrors with a badge so that they
can be deleted by project owners.

app/models/remote_mirror.rb

@@ -133,6 +133,10 @@ class RemoteMirror < ApplicationRecord
   end
   alias_method :enabled?, :enabled
 
+  def disabled?
+    !enabled?
+  end
+
   def updated_since?(timestamp)
     last_update_started_at && last_update_started_at > timestamp && !update_failed?
   end

app/views/projects/mirrors/_disabled_mirror_badge.html.haml

@@ -0,0 +1 @@
+.badge.badge-warning.qa-disabled-mirror-badge{ data: { toggle: 'tooltip', html: 'true' }, title: _('Disabled mirrors can only be enabled by instance owners. It is recommended that you delete them.') }= _('Disabled')

app/views/projects/mirrors/_mirror_repos.html.haml

@@ -49,12 +49,14 @@
           %tbody.js-mirrors-table-body
             = render_if_exists 'projects/mirrors/table_pull_row'
             - @project.remote_mirrors.each_with_index do |mirror, index|
-              - if mirror.enabled
-                %tr.qa-mirrored-repository-row
+              - next if mirror.new_record?
+              %tr.qa-mirrored-repository-row{ class: ('bg-secondary' if mirror.disabled?) }
                 %td.qa-mirror-repository-url= mirror.safe_url
                 %td= _('Push')
                 %td.qa-mirror-last-update-at= mirror.last_update_at.present? ? time_ago_with_tooltip(mirror.last_update_at) : _('Never')
                 %td
+                  - if mirror.disabled?
+                    = render 'projects/mirrors/disabled_mirror_badge'
                   - if mirror.last_error.present?
                     .badge.mirror-error-badge{ data: { toggle: 'tooltip', html: 'true' }, title: html_escape(mirror.last_error.try(:strip)) }= _('Error')
                 %td
@@ -62,4 +64,4 @@
                     - if mirror.ssh_key_auth?
                       = clipboard_button(text: mirror.ssh_public_key, class: 'btn btn-default', title: _('Copy SSH public key'))
                     = render 'shared/remote_mirror_update_button', remote_mirror: mirror
-                      %button.js-delete-mirror.btn.btn-danger{ type: 'button', data: { mirror_id: mirror.id, toggle: 'tooltip', container: 'body' }, title: _('Remove') }= icon('trash-o')
+                    %button.js-delete-mirror.qa-delete-mirror.btn.btn-danger{ type: 'button', data: { mirror_id: mirror.id, toggle: 'tooltip', container: 'body' }, title: _('Remove') }= icon('trash-o')

app/views/shared/_remote_mirror_update_button.html.haml

@@ -1,6 +1,6 @@
 - if remote_mirror.update_in_progress?
   %button.btn.disabled{ type: 'button', data: { toggle: 'tooltip', container: 'body' }, title: _('Updating') }
     = icon("refresh spin")
-- else
+- elsif remote_mirror.enabled?
   = link_to update_now_project_mirror_path(@project, sync_remote: true), method: :post, class: "btn qa-update-now-button", data: { toggle: 'tooltip', container: 'body' }, title: _('Update now') do
     = icon("refresh")

changelogs/unreleased/show-disabled-mirrors.yml

@@ -0,0 +1,5 @@
+---
+title: Show disabled project repo mirrors in settings
+merge_request: 27326
+author:
+type: other

locale/gitlab.pot

@@ -3383,6 +3383,9 @@ msgstr ""
 msgid "Disabled"
 msgstr ""
 
+msgid "Disabled mirrors can only be enabled by instance owners. It is recommended that you delete them."
+msgstr ""
+
 msgid "Discard"
 msgstr ""
 

spec/features/projects/settings/repository_settings_spec.rb

@@ -236,5 +236,17 @@ describe 'Projects > Settings > Repository settings' do
         expect(mirrored_project.remote_mirrors.count).to eq(0)
       end
     end
+
+    it 'shows a disabled mirror' do
+      create(:remote_mirror, project: project, enabled: false)
+
+      visit project_settings_repository_path(project)
+
+      mirror = find('.qa-mirrored-repository-row')
+
+      expect(mirror).to have_selector('.qa-delete-mirror')
+      expect(mirror).to have_selector('.qa-disabled-mirror-badge')
+      expect(mirror).not_to have_selector('.qa-update-now-button')
+    end
   end
 end

spec/models/remote_mirror_spec.rb

@@ -373,6 +373,22 @@ describe RemoteMirror, :mailer do
     end
   end
 
+  describe '#disabled?' do
+    subject { remote_mirror.disabled? }
+
+    context 'when disabled' do
+      let(:remote_mirror) { build(:remote_mirror, enabled: false) }
+
+      it { is_expected.to be_truthy }
+    end
+
+    context 'when enabled' do
+      let(:remote_mirror) { build(:remote_mirror, enabled: true) }
+
+      it { is_expected.to be_falsy }
+    end
+  end
+
   def create_mirror(params)
     project = FactoryBot.create(:project, :repository)
     project.remote_mirrors.create!(params)