Limit number of shown environments for Merge Requests

- For target project show only environments for target branch or with tags
- For source project show only environments for source branch

1 files changed, 12 insertions, 11 deletions

diff --git a/app/views/projects/merge_requests/widget/_heading.html.haml b/app/views/projects/merge_requests/widget/_heading.html.haml
index 494695a03a5..d8b19d8c951 100644
--- a/app/views/projects/merge_requests/widget/_heading.html.haml
+++ b/app/views/projects/merge_requests/widget/_heading.html.haml
@@ -44,14 +44,15 @@
       Could not connect to the CI server. Please check your settings and try again.
 
 - @merge_request.environments.each do |environment|
-  .mr-widget-heading
-    .ci_widget.ci-success
-      = ci_icon_for_status("success")
-      %span.hidden-sm
-        Deployed to
-        = succeed '.' do
-          = link_to environment.name, namespace_project_environment_path(@project.namespace, @project, environment), class: 'environment'
-        - external_url = environment.external_url
-        - if external_url
-          = link_to external_url, target: '_blank' do
-            = icon('external-link', text: "View on #{external_url.gsub(/\A.*?:\/\//, '')}", right: true)
+  - if can?(current_user, :read_environment, environment)
+    .mr-widget-heading
+      .ci_widget.ci-success
+        = ci_icon_for_status("success")
+        %span.hidden-sm
+          Deployed to
+          = succeed '.' do
+            = link_to environment.name, namespace_project_environment_path(@project.namespace, @project, environment), class: 'environment'
+          - external_url = environment.external_url
+          - if external_url
+            = link_to external_url, target: '_blank' do
+              = icon('external-link', text: "View on #{external_url.gsub(/\A.*?:\/\//, '')}", right: true)