1 files changed, 38 insertions, 0 deletions
diff --git a/tooling/merge_request.rb b/tooling/merge_request.rb
new file mode 100644
index 00000000000..d0f32a611aa
--- /dev/null
+++ b/tooling/merge_request.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require 'faraday'
+require 'faraday_middleware'
+
+module Tooling
+  class MergeRequest
+    GITLAB_API_URL_TEMPLATE = 'https://gitlab.com/api/v4/projects/%{project_path}/merge_requests'
+
+    def self.for(branch:, project_path:)
+      url = format(GITLAB_API_URL_TEMPLATE, { project_path: URI.encode_www_form_component(project_path) })
+
+      conn = Faraday.new(url) do |conn|
+        conn.request :json
+        conn.response :json, content_type: /\bjson$/
+        conn.adapter Faraday.default_adapter
+      end
+
+      response = conn.get do |req|
+        req.params[:source_branch] = branch
+        req.params[:order_by] = 'updated_at'
+        req.params[:sort] = 'desc'
+      end
+
+      new(response.body.first)
+    end
+
+    attr_reader :merge_request
+
+    def initialize(merge_request)
+      @merge_request = merge_request
+    end
+
+    def iid
+      merge_request['iid']
+    end
+  end
+end