Enable even more frozen string for lib/gitlab

Enables frozen string for the following:

* lib/gitlab/hook_data/**/*.rb
* lib/gitlab/i18n/**/*.rb
* lib/gitlab/import/**/*.rb
* lib/gitlab/import_export/**/*.rb
* lib/gitlab/kubernetes/**/*.rb
* lib/gitlab/legacy_github_import/**/*.rb
* lib/gitlab/manifest_import/**/*.rb
* lib/gitlab/metrics/**/*.rb
* lib/gitlab/middleware/**/*.rb

Partially addresses gitlab-org/gitlab-ce#47424.

10 files changed, 20 insertions, 0 deletions

diff --git a/lib/gitlab/kubernetes/config_map.rb b/lib/gitlab/kubernetes/config_map.rb
index 9e55dae137c..0bcaaa03974 100644
--- a/lib/gitlab/kubernetes/config_map.rb
+++ b/lib/gitlab/kubernetes/config_map.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Kubernetes
     class ConfigMap
diff --git a/lib/gitlab/kubernetes/helm.rb b/lib/gitlab/kubernetes/helm.rb
index 5a22b5e3364..03d38ec78fd 100644
--- a/lib/gitlab/kubernetes/helm.rb
+++ b/lib/gitlab/kubernetes/helm.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Kubernetes
     module Helm
diff --git a/lib/gitlab/kubernetes/helm/api.rb b/lib/gitlab/kubernetes/helm/api.rb
index 7c026ac9e68..fd3d187cbc3 100644
--- a/lib/gitlab/kubernetes/helm/api.rb
+++ b/lib/gitlab/kubernetes/helm/api.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Kubernetes
     module Helm
diff --git a/lib/gitlab/kubernetes/helm/base_command.rb b/lib/gitlab/kubernetes/helm/base_command.rb
index f2ce24fefa1..2bcb428b25d 100644
--- a/lib/gitlab/kubernetes/helm/base_command.rb
+++ b/lib/gitlab/kubernetes/helm/base_command.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Kubernetes
     module Helm
diff --git a/lib/gitlab/kubernetes/helm/client_command.rb b/lib/gitlab/kubernetes/helm/client_command.rb
index 72bafc07bf0..9940272a8bf 100644
--- a/lib/gitlab/kubernetes/helm/client_command.rb
+++ b/lib/gitlab/kubernetes/helm/client_command.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Kubernetes
     module Helm
diff --git a/lib/gitlab/kubernetes/helm/init_command.rb b/lib/gitlab/kubernetes/helm/init_command.rb
index 6691080deca..88ed8572ffc 100644
--- a/lib/gitlab/kubernetes/helm/init_command.rb
+++ b/lib/gitlab/kubernetes/helm/init_command.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Kubernetes
     module Helm
diff --git a/lib/gitlab/kubernetes/helm/install_command.rb b/lib/gitlab/kubernetes/helm/install_command.rb
index 52700b5dc09..961485005f7 100644
--- a/lib/gitlab/kubernetes/helm/install_command.rb
+++ b/lib/gitlab/kubernetes/helm/install_command.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Kubernetes
     module Helm
diff --git a/lib/gitlab/kubernetes/helm/pod.rb b/lib/gitlab/kubernetes/helm/pod.rb
index e9c621d96f0..75484f80070 100644
--- a/lib/gitlab/kubernetes/helm/pod.rb
+++ b/lib/gitlab/kubernetes/helm/pod.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Kubernetes
     module Helm
diff --git a/lib/gitlab/kubernetes/namespace.rb b/lib/gitlab/kubernetes/namespace.rb
index 783c8a24741..919f19c86d7 100644
--- a/lib/gitlab/kubernetes/namespace.rb
+++ b/lib/gitlab/kubernetes/namespace.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Kubernetes
     class Namespace
diff --git a/lib/gitlab/kubernetes/pod.rb b/lib/gitlab/kubernetes/pod.rb
index f3842cdf762..81317e532b2 100644
--- a/lib/gitlab/kubernetes/pod.rb
+++ b/lib/gitlab/kubernetes/pod.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Kubernetes
     module Pod