From 7014008246fd604ab3647353bd315e1f8351f63d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Pi=C4=8Dman?= <karel.picman@kontron.com>
Date: Fri, 13 May 2022 08:07:10 +0200
Subject: [PATCH] IssueRelation.to_s is broken #258

---
 .../patches/issue_relation_patch.rb                    | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/redmine_custom_workflows/patches/issue_relation_patch.rb b/lib/redmine_custom_workflows/patches/issue_relation_patch.rb
index 1e67623..ecde0e2 100644
--- a/lib/redmine_custom_workflows/patches/issue_relation_patch.rb
+++ b/lib/redmine_custom_workflows/patches/issue_relation_patch.rb
@@ -36,7 +36,15 @@ module RedmineCustomWorkflows
           alias_method :old_to_s, :to_s
     
           def to_s(issue=nil)
-            block_given? ? old_to_s(issue, &Proc.new {}) : old_to_s(issue)
+            if block_given?
+              if Gem.ruby_version < Gem::Version.new('3.0')
+                old_to_s issue, &Proc.new
+              else
+                old_to_s issue, &Proc.new {}
+              end
+            else
+              old_to_s issue
+            end
           rescue NoMethodError => e
             if issue_from.present? || issue_to.present?
               raise e