Update deprecated routes in irker integration

app/workers/irker_worker.rb

@@ -70,7 +70,7 @@ class IrkerWorker # rubocop:disable Scalability/IdempotentWorker
 
   def send_new_branch(project, repo_name, committer, branch)
     repo_path = project.full_path
-    newbranch = "#{Gitlab.config.gitlab.url}/#{repo_path}/branches"
+    newbranch = "#{Gitlab.config.gitlab.url}/#{repo_path}/-/branches"
     newbranch = "\x0302\x1f#{newbranch}\x0f" if @colors
 
     privmsg = "[#{repo_name}] #{committer} has created a new branch " \
@@ -124,7 +124,7 @@ class IrkerWorker # rubocop:disable Scalability/IdempotentWorker
   def compare_url(data, repo_path)
     sha1 = Commit.truncate_sha(data['before'])
     sha2 = Commit.truncate_sha(data['after'])
-    compare_url = "#{Gitlab.config.gitlab.url}/#{repo_path}/compare" \
+    compare_url = "#{Gitlab.config.gitlab.url}/#{repo_path}/-/compare" \
                   "/#{sha1}...#{sha2}"
     colorize_url compare_url
   end

changelogs/unreleased/patch-127.yml

+---
+title: Update deprecated routes in irker integration
+merge_request: 32923
+author: Marc Jeanmougin
+type: fixed