Enable LFS setting UI for Masters and Owners

app/helpers/projects_helper.rb

@@ -442,7 +442,7 @@ module ProjectsHelper
       visibilityHelpPath: help_page_path('public_access/public_access'),
       registryAvailable: Gitlab.config.registry.enabled,
       registryHelpPath: help_page_path('user/project/container_registry'),
-      lfsAvailable: Gitlab.config.lfs.enabled && current_user.admin?,
+      lfsAvailable: Gitlab.config.lfs.enabled,
       lfsHelpPath: help_page_path('workflow/lfs/manage_large_binaries_with_git_lfs')
     }
 

app/views/groups/_group_admin_settings.html.haml

-- if current_user.admin?
-  .form-group
-    = f.label :lfs_enabled, 'Large File Storage', class: 'control-label'
-    .col-sm-10
-      .checkbox
-        = f.label :lfs_enabled do
-          = f.check_box :lfs_enabled, checked: @group.lfs_enabled?
-          %strong
-            Allow projects within this group to use Git LFS
-            = link_to icon('question-circle'), help_page_path('workflow/lfs/manage_large_binaries_with_git_lfs')
-          %br/
-          %span.descr This setting can be overridden in each project.
+.form-group
+  = f.label :lfs_enabled, 'Large File Storage', class: 'control-label'
+  .col-sm-10
+    .checkbox
+      = f.label :lfs_enabled do
+        = f.check_box :lfs_enabled, checked: @group.lfs_enabled?
+        %strong
+          Allow projects within this group to use Git LFS
+          = link_to icon('question-circle'), help_page_path('workflow/lfs/manage_large_binaries_with_git_lfs')
+        %br/
+        %span.descr This setting can be overridden in each project.
 
-- if can? current_user, :admin_group, @group
-  .form-group
-    = f.label :require_two_factor_authentication, 'Two-factor authentication', class: 'control-label col-sm-2'
-    .col-sm-10
-      .checkbox
-        = f.label :require_two_factor_authentication do
-          = f.check_box :require_two_factor_authentication
-          %strong
-            Require all users in this group to setup Two-factor authentication
-            = link_to icon('question-circle'), help_page_path('security/two_factor_authentication', anchor: 'enforcing-2fa-for-all-users-in-a-group')
-  .form-group
-    .col-sm-offset-2.col-sm-10
-      .checkbox
-        = f.text_field :two_factor_grace_period, class: 'form-control'
-        .help-block Amount of time (in hours) that users are allowed to skip forced configuration of two-factor authentication
+.form-group
+  = f.label :require_two_factor_authentication, 'Two-factor authentication', class: 'control-label col-sm-2'
+  .col-sm-10
+    .checkbox
+      = f.label :require_two_factor_authentication do
+        = f.check_box :require_two_factor_authentication
+        %strong
+          Require all users in this group to setup Two-factor authentication
+          = link_to icon('question-circle'), help_page_path('security/two_factor_authentication', anchor: 'enforcing-2fa-for-all-users-in-a-group')
+.form-group
+  .col-sm-offset-2.col-sm-10
+    .checkbox
+      = f.text_field :two_factor_grace_period, class: 'form-control'
+      .help-block Amount of time (in hours) that users are allowed to skip forced configuration of two-factor authentication

changelogs/unreleased/jr-33320-lfs-settings-interface.yml

+---
+title: Show group and project LFS settings in the interface to Owners and Masters
+merge_request: 18562
+author:
+type: changed

doc/workflow/lfs/manage_large_binaries_with_git_lfs.md

@@ -251,13 +251,4 @@ It is possible to host LFS objects externally by setting a custom LFS url with `
 
 Because GitLab verifies the existence of objects referenced by LFS pointers, push will fail when LFS is enabled for the project.
 
-LFS can be disabled for a project by Owners and Masters using the [Project API](../../api/projects.md#edit-project).
-
-```bash
-curl --request PUT \
-  --url https://example.com/api/v4/projects/<PROJECT_ID> \
-  --header 'Private-Token: <YOUR_PRIVATE_TOKEN>' \
-  --data 'lfs_enabled=false'
-```
-
-Note, `<PROJECT_ID>` can also be substituted with a [namespaced path](../../api/README.md#namespaced-path-encoding).
+LFS can be disabled from the [Project settings](../../user/project/settings/index.md).

spec/features/projects/settings/lfs_settings_spec.rb

 require 'rails_helper'
 
 describe 'Projects > Settings > LFS settings' do
-  let(:admin) { create(:admin) }
   let(:project) { create(:project) }
+  let(:user) { create(:user) }
+  let(:role) { :master }
 
   context 'LFS enabled setting' do
     before do
       allow(Gitlab.config.lfs).to receive(:enabled).and_return(true)
 
-      sign_in(admin)
+      sign_in(user)
+      project.add_role(user, role)
     end
 
-    it 'displays the correct elements', :js do
-      visit edit_project_path(project)
+    context 'for master' do
+      let(:role) { :master }
 
-      expect(page).to have_content('Git Large File Storage')
-      expect(page).to have_selector('input[name="project[lfs_enabled]"] + button', visible: true)
+      it 'displays the correct elements', :js do
+        visit edit_project_path(project)
+
+        expect(page).to have_content('Git Large File Storage')
+        expect(page).to have_selector('input[name="project[lfs_enabled]"] + button', visible: true)
+      end
     end
   end
 end