--- /tmp/old	2017-10-11 09:46:39.726057354 +0200
+++ /tmp/new	2017-10-11 09:52:52.687891306 +0200
@@ -1,7 +1,11 @@
-
+import groovy.time.*
 import hudson.model.*
 import hudson.console.ModelHyperlinkNote
 
+// allowed time since previous build
+max_time_diff = new TimeDuration(8,0,0,0)
+max_time = max_time_diff.getAgo()
+
 // Dependency Data
 
 dependencies = [
@@ -615,13 +619,23 @@
     logMessage("Job ${job} not found!")
     return
   }
+  job.enable()
+
+  last = job.getLastBuild()
+  if ((last.result == Result.SUCCESS || last.result == Result.UNSTABLE) && last.getTime() > max_time) {
+    time_diff = TimeCategory.minus(new Date(), last.getTime())
+    logMessage("  Skipping ${linkTo(job)}, built ${time_diff} ago")
+    name = build.project.name
+    status[job.name] = last;
+    startableDownstreams(job.name).each { project -> scheduleBuild(project, parameters) }
+    return
+  }
 
   logMessage("  Scheduling build for ${linkTo(job)}")
   parameters = parameters.collect { parameter ->
     new StringParameterValue(parameter.key, parameter.value)
   }
   parametersAction = new ParametersAction(parameters)
-  job.enable()
   run = job.scheduleBuild2(0, new Cause.UpstreamCause(build), parametersAction)
   if (run) {
     running << run
@@ -705,14 +719,7 @@
 
 runHook("Running finish hook job", "distribution-finish-lsp-famula-nightly", parameters)
 
-logMessage("Enabling all jobs")
-dependencies.each {
-  job = Hudson.instance.getJob(it.key)
-  if (job) job.enable()
-}
-
 // Report and build result
-
 unstable = status.findAll { entry -> entry.value.result == Result.UNSTABLE } *.value
 if (unstable) {
   println "${unstable.size} unstable build(s):"
@@ -726,5 +733,20 @@
   for (build in failed) {
     println "  ${build.result} ${linkTo(build.project)}, ${linkTo(build)}"
   }
-  return -1
 }
+skipped = dependencies.findAll {
+  job = Hudson.instance.getJob(it.key)
+  job && job.disabled
+} *.key
+if (skipped) {
+  println "${skipped.size} skipped jobs(s):"
+  skipped.each { println "  ${linkTo(Hudson.instance.getJob(it))}" }
+}
+
+logMessage("Enabling all jobs")
+dependencies.each {
+  job = Hudson.instance.getJob(it.key)
+  if (job) job.enable()
+}
+
+return failed ? -1 : 0