Enable frozen string for lib/gitlab/ci

Enables frozen string for the following:

* lib/gitlab/ci/*.rb
* lib/gitlab/ci/build/**/*.rb
* lib/gitlab/ci/config/**/*.rb
* lib/gitlab/ci/pipeline/**/*.rb
* lib/gitlab/ci/reports/**/*.rb

Partially addresses #47424.

15 files changed, 30 insertions, 0 deletions

diff --git a/lib/gitlab/ci/build/artifacts/adapters/gzip_stream.rb b/lib/gitlab/ci/build/artifacts/adapters/gzip_stream.rb
index ee3647f24fd..25a82086676 100644
--- a/lib/gitlab/ci/build/artifacts/adapters/gzip_stream.rb
+++ b/lib/gitlab/ci/build/artifacts/adapters/gzip_stream.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/artifacts/adapters/raw_stream.rb b/lib/gitlab/ci/build/artifacts/adapters/raw_stream.rb
index fa6842cf36a..cf37d700991 100644
--- a/lib/gitlab/ci/build/artifacts/adapters/raw_stream.rb
+++ b/lib/gitlab/ci/build/artifacts/adapters/raw_stream.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/artifacts/metadata.rb b/lib/gitlab/ci/build/artifacts/metadata.rb
index 551d4f4473e..08dac756cc1 100644
--- a/lib/gitlab/ci/build/artifacts/metadata.rb
+++ b/lib/gitlab/ci/build/artifacts/metadata.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'zlib'
 require 'json'
 
diff --git a/lib/gitlab/ci/build/artifacts/metadata/entry.rb b/lib/gitlab/ci/build/artifacts/metadata/entry.rb
index 85072a072d6..d0a80518ae8 100644
--- a/lib/gitlab/ci/build/artifacts/metadata/entry.rb
+++ b/lib/gitlab/ci/build/artifacts/metadata/entry.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/artifacts/path.rb b/lib/gitlab/ci/build/artifacts/path.rb
index 9cd9b36c5f8..65cd935afaa 100644
--- a/lib/gitlab/ci/build/artifacts/path.rb
+++ b/lib/gitlab/ci/build/artifacts/path.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/credentials/base.rb b/lib/gitlab/ci/build/credentials/base.rb
index 29a7a27c963..58adf6e506d 100644
--- a/lib/gitlab/ci/build/credentials/base.rb
+++ b/lib/gitlab/ci/build/credentials/base.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/credentials/factory.rb b/lib/gitlab/ci/build/credentials/factory.rb
index 2423aa8857d..fa805abb8bb 100644
--- a/lib/gitlab/ci/build/credentials/factory.rb
+++ b/lib/gitlab/ci/build/credentials/factory.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/credentials/registry.rb b/lib/gitlab/ci/build/credentials/registry.rb
index 55eafcaed10..1c8588d9913 100644
--- a/lib/gitlab/ci/build/credentials/registry.rb
+++ b/lib/gitlab/ci/build/credentials/registry.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/image.rb b/lib/gitlab/ci/build/image.rb
index c811f88f483..4dd932f61d4 100644
--- a/lib/gitlab/ci/build/image.rb
+++ b/lib/gitlab/ci/build/image.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/policy.rb b/lib/gitlab/ci/build/policy.rb
index d10cc7802d4..43c46ad74af 100644
--- a/lib/gitlab/ci/build/policy.rb
+++ b/lib/gitlab/ci/build/policy.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/policy/kubernetes.rb b/lib/gitlab/ci/build/policy/kubernetes.rb
index 782f6c4c0af..4c7dc947cd0 100644
--- a/lib/gitlab/ci/build/policy/kubernetes.rb
+++ b/lib/gitlab/ci/build/policy/kubernetes.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/policy/refs.rb b/lib/gitlab/ci/build/policy/refs.rb
index 4aa5dc89f47..10934536536 100644
--- a/lib/gitlab/ci/build/policy/refs.rb
+++ b/lib/gitlab/ci/build/policy/refs.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/policy/specification.rb b/lib/gitlab/ci/build/policy/specification.rb
index f09ba42c074..ceb5210cfb5 100644
--- a/lib/gitlab/ci/build/policy/specification.rb
+++ b/lib/gitlab/ci/build/policy/specification.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/policy/variables.rb b/lib/gitlab/ci/build/policy/variables.rb
index 9d2a362b7d4..0698136166a 100644
--- a/lib/gitlab/ci/build/policy/variables.rb
+++ b/lib/gitlab/ci/build/policy/variables.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build
diff --git a/lib/gitlab/ci/build/step.rb b/lib/gitlab/ci/build/step.rb
index 0b1ebe4e048..d587c896712 100644
--- a/lib/gitlab/ci/build/step.rb
+++ b/lib/gitlab/ci/build/step.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module Gitlab
   module Ci
     module Build