lists defined count of commit messages of an given repo hosted on github.com
// cd /path/to/your/wiki/
cd extensions
git clone https://github.com/nepda/mediawiki-github-commit.git
open LocalSettings.php and add this line somewhere (at the end)
require_once("$IP/extensions/mediawiki-github-commit/github-commit.php");
Now you can fetch github-commit messages:
<githubcommit user="nepda" repo="mediawiki-github-commit" offset="0" count="10">