获取Bamboo上的提交文件列表

Does anyone know how to get list of files that were committed and got Bamboo CI server triggered? My aim is to get a list of changed files during build process and to validate them (PHPlint, validating twig files..) on Bamboo with custom scripts. Problem is that Bamboo always does "git clone", so searching git log can't help.Does anyone know how to get list of files that