Mercurial Plugin: Install the Jenkins Mercurial Plugin first (read more https://wiki.jenkins-ci.org/display/JENKINS/Mercurial+Plugin)
Source Code Management: Configure for Mercurial
Reduce unnecessary builds by specifying a comma or space delimited list of "modules" within the repository. A module is a directory name within the repository that this project lives.
To do that press advanced button:
This will detect changes only in sdks subdirectory in src directory:
