in jenkins-pipeline-shared-libraries/vars/util.groovy [534:549]
String displayDurationFromSeconds(int durationInSec) {
String result = ''
int seconds = durationInSec
int minutes = durationInSec / 60
if (minutes > 0) {
seconds = seconds - minutes * 60
int hours = minutes / 60
if (hours > 0) {
minutes = minutes - hours*60
result += "${hours}h"
}
result += "${minutes}m"
}
result += "${seconds}s"
return result
}