Incorporate feedback -- Deployed Time ago

Former-commit-id: f61e0345

app/controllers/projects/merge_requests_controller.rb

@@ -377,7 +377,7 @@ class Projects::MergeRequestsController < Projects::ApplicationController
     environments = @merge_request.environments
     deployments = @merge_request.deployments
-    if environments
+    if environments.present?
       environments = environments.select { |e| can?(current_user, :read_environment, e) }.map do |environment|
         project = environment.project
         deployment = deployments.find { |d| d.environment == environment }

app/models/merge_request.rb

@@ -673,11 +673,11 @@ class MergeRequest < ActiveRecord::Base
         environment.deployment_id_for(diff_head_commit)
       end.compact
-    target_project.deployments.find(deployment_ids)
+    Deployments.find(deployment_ids)
   end
   def environments
-    return [] unless diff_head_sha
+    return [] unless diff_head_commit
     environments = source_project.environments_for(
       source_branch, diff_head_commit)