From f2843a26d0a63d3e2859bfa00795d42e433830ab Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Sun, 17 Jun 2018 01:07:38 +0000
Subject: [PATCH] Merged r17390 from trunk to 3.4-stable (#28946).

git-svn-id: http://svn.redmine.org/redmine/branches/3.4-stable@17391 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/models/issue.rb     |  1 +
 test/unit/issue_test.rb | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)

diff --git a/app/models/issue.rb b/app/models/issue.rb
index 1f2f39fa8..eeae2c70b 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -1636,6 +1636,7 @@ class Issue < ActiveRecord::Base
         copy.project = project
         copy.parent_issue_id = copied_issue_ids[child.parent_id]
         copy.fixed_version_id = nil unless child.fixed_version.present? && child.fixed_version.status == 'open'
+        copy.assigned_to = nil unless child.assigned_to_id.present? && child.assigned_to.status == User::STATUS_ACTIVE
         unless copy.save
           logger.error "Could not copy subtask ##{child.id} while copying ##{@copied_from.id} to ##{id} due to validation errors: #{copy.errors.full_messages.join(', ')}" if logger
           next
diff --git a/test/unit/issue_test.rb b/test/unit/issue_test.rb
index 0144cfb0e..3a247f9b8 100644
--- a/test/unit/issue_test.rb
+++ b/test/unit/issue_test.rb
@@ -1413,6 +1413,25 @@ class IssueTest < ActiveSupport::TestCase
     assert_equal [3, nil], copy.children.map(&:fixed_version_id)
   end
 
+  def test_copy_should_clear_subtasks_assignee_if_is_locked
+    user = User.find(2)
+
+    parent = Issue.generate!
+    child1 = Issue.generate!(:parent_issue_id => parent.id, :subject => 'Child 1', :assigned_to_id => 3)
+    child2 = Issue.generate!(:parent_issue_id => parent.id, :subject => 'Child 2', :assigned_to_id => user.id)
+
+    user.status = User::STATUS_LOCKED
+    user.save!
+
+    copy = parent.reload.copy
+
+    assert_difference 'Issue.count', 3 do
+      assert copy.save
+    end
+
+    assert_equal [3, nil], copy.children.map(&:assigned_to_id)
+  end
+
   def test_should_not_call_after_project_change_on_creation
     issue = Issue.new(:project_id => 1, :tracker_id => 1, :status_id => 1,
                       :subject => 'Test', :author_id => 1)
-- 
2.39.5