Redmine

Created an API to add/remove related issues to the revision. I attached a patch.

diff --git a/app/controllers/repositories_controller.rb b/app/controllers/repositories_controller.rb
index 269bc70a0..92a145c3a 100644
--- a/app/controllers/repositories_controller.rb
+++ b/app/controllers/repositories_controller.rb
@@ -35,6 +35,7 @@ class RepositoriesController < ApplicationController
   before_action :find_changeset, :only => [:revision, :add_related_issue, :remove_related_issue]
   before_action :authorize
   accept_rss_auth :revisions
+  accept_api_auth :add_related_issue, :remove_related_issue

   rescue_from Redmine::Scm::Adapters::CommandFailed, :with => :show_error_command_failed

@@ -227,8 +228,14 @@ class RepositoriesController < ApplicationController
       @issue = nil
     end

-    if @issue
-      @changeset.issues << @issue
+    respond_to do |format|
+      if @issue
+        @changeset.issues << @issue
+        format.api { render_api_ok }
+      else
+        format.api { render_api_errors "#{l(:label_issue)} #{l('activerecord.errors.messages.invalid')}" }
+      end
+      format.js
     end
   end

@@ -239,6 +246,10 @@ class RepositoriesController < ApplicationController
     if @issue
       @changeset.issues.delete(@issue)
     end
+    respond_to do |format|
+      format.api { render_api_ok }
+      format.js
+    end
   end

   def diff

Setting the target version to 4.2.0.

Committed the patch. Thank you for your contribution.