From 8c2b30cf4fbf5faeeb134778840720d13bd1df14 Mon Sep 17 00:00:00 2001
From: kumojima <kumojima@gmail.com>
Date: Wed, 17 Dec 2025 11:51:33 +0900
Subject: show delete link in context menu with sub-uri

---
 app/controllers/context_menus_controller.rb    |  7 ++++++-
 .../context_menus_controller_test.rb           | 18 ++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/app/controllers/context_menus_controller.rb b/app/controllers/context_menus_controller.rb
index bb9e5d82f..8c591025d 100644
--- a/app/controllers/context_menus_controller.rb
+++ b/app/controllers/context_menus_controller.rb
@@ -49,7 +49,12 @@ class ContextMenusController < ApplicationController
     begin
       # Recognize the controller and action from the back_url to determine
       # which view triggered the context menu.
-      route = Rails.application.routes.recognize_path(@back)
+      if relative_url_root.present? && @back&.starts_with?(relative_url_root)
+        back = @back.delete_prefix(relative_url_root)
+      else
+        back = @back
+      end
+      route = Rails.application.routes.recognize_path(back)
       @include_delete =
         [
           {controller: 'issues', action: 'index'},
diff --git a/test/functional/context_menus_controller_test.rb b/test/functional/context_menus_controller_test.rb
index 74a7155ff..b91d9dcce 100644
--- a/test/functional/context_menus_controller_test.rb
+++ b/test/functional/context_menus_controller_test.rb
@@ -492,6 +492,24 @@ class ContextMenusControllerTest < Redmine::ControllerTest
     end
   end
 
+  def test_context_menu_with_suburi_should_include_delete_for_allowed_back_urls
+    @relative_url_root = Redmine::Utils.relative_url_root
+    Redmine::Utils.relative_url_root = '/redmine'
+
+    @request.session[:user_id] = 2
+    %w[
+      /redmine/issues
+      /redmine/projects/ecookbook/issues/gantt
+      /redmine/projects/ecookbook/issues/calendar
+    ].each do |back_url|
+      get :issues, :params => { :ids => [1], :back_url => back_url }
+      assert_response :success
+      assert_select 'a.icon-del', :text => /Delete/
+    end
+  ensure
+    Redmine::Utils.relative_url_root = @relative_url_root
+  end
+
   def test_context_menu_should_not_include_delete_for_disallowed_back_urls
     @request.session[:user_id] = 2
     %w[
-- 
2.34.1