leetcode.net has written an excellent GitHub integration plugin for the Mantis BugTracker. It allows you to reference issues by their #id in your commit message. You can close an issue simple by adding “fixed #35” in your git commit message.
Unfortunatly there is only poor documentation for the GitHub integration. I also had some problems with the “MantisBT” post commit hook on the GitHub repository configuration. So, I did some code analysis and added a “Post-Receive-URL” to my GitHub repo:
To allow remote imports of new commits, you have to set the following checkboxes and IP addresses in your MantisBT configuration.