1 files changed, 25 insertions, 0 deletions
diff --git a/lib/gitlab/ci/config/entry/hooks.rb b/lib/gitlab/ci/config/entry/hooks.rb
new file mode 100644
index 00000000000..28bc2e4e7ce
--- /dev/null
+++ b/lib/gitlab/ci/config/entry/hooks.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Ci
+    class Config
+      module Entry
+        class Hooks < ::Gitlab::Config::Entry::Node
+          # `Configurable` alreadys adds `Validatable`
+          include ::Gitlab::Config::Entry::Configurable
+
+          # NOTE: If a new hook is added, inheriting should be changed because a `job:hooks` overrides all
+          #       `default:hooks` now. We should implement merging; each hook must be overridden individually.
+          ALLOWED_HOOKS = %i[pre_get_sources_script].freeze
+
+          validations do
+            validates :config, type: Hash, allowed_keys: ALLOWED_HOOKS
+          end
+
+          entry :pre_get_sources_script, Entry::Commands,
+            description: 'Commands that will be executed on Runner before cloning/fetching the Git repository.'
+        end
+      end
+    end
+  end
+end