Enable more frozen string in app/controllers/

Enables frozen string for the following:

* app/controllers/dashboard/**/*.rb
* app/controllers/explore/**/*.rb
* app/controllers/google_api/**/*.rb
* app/controllers/groups/**/*.rb
* app/controllers/import/**/*.rb
* app/controllers/instance_statistics/**/*.rb
* app/controllers/ldap/**/*.rb
* app/controllers/oauth/**/*.rb
* app/controllers/profiles/**/*.rb

Partially addresses #47424.

9 files changed, 18 insertions, 0 deletions

diff --git a/app/controllers/import/base_controller.rb b/app/controllers/import/base_controller.rb
index 14b8c6e4137..042b6b1264f 100644
--- a/app/controllers/import/base_controller.rb
+++ b/app/controllers/import/base_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Import::BaseController < ApplicationController
   private
 
diff --git a/app/controllers/import/bitbucket_controller.rb b/app/controllers/import/bitbucket_controller.rb
index f885e04b198..1b30b4dda36 100644
--- a/app/controllers/import/bitbucket_controller.rb
+++ b/app/controllers/import/bitbucket_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Import::BitbucketController < Import::BaseController
   before_action :verify_bitbucket_import_enabled
   before_action :bitbucket_auth, except: :callback
diff --git a/app/controllers/import/fogbugz_controller.rb b/app/controllers/import/fogbugz_controller.rb
index df96d181153..5a439e6de78 100644
--- a/app/controllers/import/fogbugz_controller.rb
+++ b/app/controllers/import/fogbugz_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Import::FogbugzController < Import::BaseController
   before_action :verify_fogbugz_import_enabled
   before_action :user_map, only: [:new_user_map, :create_user_map]
diff --git a/app/controllers/import/gitea_controller.rb b/app/controllers/import/gitea_controller.rb
index fbd851c64a7..382c684a408 100644
--- a/app/controllers/import/gitea_controller.rb
+++ b/app/controllers/import/gitea_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Import::GiteaController < Import::GithubController
   def new
     if session[access_token_key].present? && session[host_key].present?
diff --git a/app/controllers/import/github_controller.rb b/app/controllers/import/github_controller.rb
index f8b43b4fde5..1dfa814cdd5 100644
--- a/app/controllers/import/github_controller.rb
+++ b/app/controllers/import/github_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Import::GithubController < Import::BaseController
   before_action :verify_import_enabled
   before_action :provider_auth, only: [:status, :jobs, :create]
diff --git a/app/controllers/import/gitlab_controller.rb b/app/controllers/import/gitlab_controller.rb
index bdc402b0a77..498de0b07b8 100644
--- a/app/controllers/import/gitlab_controller.rb
+++ b/app/controllers/import/gitlab_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Import::GitlabController < Import::BaseController
   MAX_PROJECT_PAGES = 15
   PER_PAGE_PROJECTS = 100
diff --git a/app/controllers/import/gitlab_projects_controller.rb b/app/controllers/import/gitlab_projects_controller.rb
index f21c38a4c27..354fba5d204 100644
--- a/app/controllers/import/gitlab_projects_controller.rb
+++ b/app/controllers/import/gitlab_projects_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Import::GitlabProjectsController < Import::BaseController
   before_action :whitelist_query_limiting, only: [:create]
   before_action :verify_gitlab_project_import_enabled
diff --git a/app/controllers/import/google_code_controller.rb b/app/controllers/import/google_code_controller.rb
index e9387d0ad14..331f06c3dd6 100644
--- a/app/controllers/import/google_code_controller.rb
+++ b/app/controllers/import/google_code_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Import::GoogleCodeController < Import::BaseController
   before_action :verify_google_code_import_enabled
   before_action :user_map, only: [:new_user_map, :create_user_map]
diff --git a/app/controllers/import/manifest_controller.rb b/app/controllers/import/manifest_controller.rb
index 4ed9dca2475..320cd45b925 100644
--- a/app/controllers/import/manifest_controller.rb
+++ b/app/controllers/import/manifest_controller.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 class Import::ManifestController < Import::BaseController
   before_action :whitelist_query_limiting, only: [:create]
   before_action :verify_import_enabled