Using File System as SCM, done by checking file system last modified date.
'hudson.plugins.filesystem_scm:filesystem_scm:1.7'
<dependency>
<groupId>hudson.plugins.filesystem_scm</groupId>
<artifactId>filesystem_scm</artifactId>
<version>1.7</version>
</dependency>
<dependency org="hudson.plugins.filesystem_scm" name="filesystem_scm" rev="1.7"/>
"hudson.plugins.filesystem_scm", "filesystem_scm", "1.7"