1 files changed, 46 insertions, 0 deletions
diff --git a/app/finders/releases/evidence_pipeline_finder.rb b/app/finders/releases/evidence_pipeline_finder.rb
new file mode 100644
index 00000000000..2e706087feb
--- /dev/null
+++ b/app/finders/releases/evidence_pipeline_finder.rb
@@ -0,0 +1,46 @@
+# frozen_string_literal: true
+
+module Releases
+  class EvidencePipelineFinder
+    include Gitlab::Utils::StrongMemoize
+
+    attr_reader :project, :params
+
+    def initialize(project, params = {})
+      @project = project
+      @params = params
+    end
+
+    def execute
+      # TODO: remove this with the release creation moved to it's own form https://gitlab.com/gitlab-org/gitlab/-/issues/214245
+      return params[:evidence_pipeline] if params[:evidence_pipeline]
+
+      sha = existing_tag&.dereferenced_target&.sha
+      sha ||= repository&.commit(ref)&.sha
+
+      return unless sha
+
+      project.ci_pipelines.for_sha(sha).last
+    end
+
+    private
+
+    def repository
+      strong_memoize(:repository) do
+        project.repository
+      end
+    end
+
+    def existing_tag
+      repository.find_tag(tag_name)
+    end
+
+    def tag_name
+      params[:tag]
+    end
+
+    def ref
+      params[:ref]
+    end
+  end
+end