Automatic merge of gitlab-org/gitlab-ce master

app/models/project_services/chat_message/pipeline_message.rb

@@ -68,7 +68,7 @@ module ChatMessage
         title_link: pipeline_url,
         fields: attachments_fields,
         footer: project.name,
-        footer_icon: project.avatar_url,
+        footer_icon: project.avatar_url(only_path: false),
         ts: finished_at
       }]
     end

changelogs/unreleased/66008-fix-project-image-in-slack-notifications.yml

+---
+title: Fix project avatar image in Slack pipeline notifications
+merge_request: 31788
+author:
+type: fixed

spec/models/project_services/chat_message/pipeline_message_spec.rb

@@ -42,9 +42,9 @@ describe ChatMessage::PipelineMessage do
 
   before do
     test_commit = double("A test commit", committer: args[:user], title: "A test commit message")
-    test_project = double("A test project",
-                          commit_by: test_commit, name: args[:project][:name],
-                          web_url: args[:project][:web_url], avatar_url: args[:project][:avatar_url])
+    test_project = double("A test project", commit_by: test_commit, name: args[:project][:name], web_url: args[:project][:web_url])
+    allow(test_project).to receive(:avatar_url).with(no_args).and_return("/avatar")
+    allow(test_project).to receive(:avatar_url).with(only_path: false).and_return(args[:project][:avatar_url])
     allow(Project).to receive(:find) { test_project }
 
     test_pipeline = double("A test pipeline", has_yaml_errors?: has_yaml_errors,