Jenkins: Delete older builds

jenkins-delete-builds.groovy

// run this on the master:
// $ du -sk MAG-* |sort -rn|head -20 | while read _line ; do _ar=( ${_line} ); echo -n "\"$(cat ${_ar[1]}/name-utf8.txt)\", "; done ;echo ""

_array=[ ]
_array.each {
  JOB_NAME="Magnifier/${it}"
  KEEP_LAST_NUM_OF_BUILDS=2
  
  Jenkins.instance.getItemByFullName("${JOB_NAME}").builds.findAll { true }.each { 
    if (KEEP_LAST_NUM_OF_BUILDS) { 
      KEEP_LAST_NUM_OF_BUILDS-- 
    } else {
      it.delete()
    } 
  }
}