I have a very simple task I am trying to do in Groovy but cannot seem to get it to work. I am just trying to loop through a map object in groovy and print out the key and value but this code does not work. // A simple map def map = [ iPhone … Read more
In the following piece of code (taken from the Groovy Semantics Manual page), why prefix the assignment with the keyword def? def x = 0 def y = 5 while ( y– > 0 ) { println “” + x + ” ” + y x++ } assert x == 5 The def keyword can … Read more
How can I trigger build of another job from inside the Jenkinsfile? I assume that this job is another repository under the same github organization, one that already has its own Jenkins file. I also want to do this only if the branch name is master, as it doesn’t make sense to trigger downstream builds … Read more
I am using javadoc doclets with gradle, so I need to use the package tools.jar, which is in the lib folder from the jdk (1.6.0_26 in my case). The point is that gradle does not take it automatically, so I was adding that tools package to my libs folder, and then adding it to dependencies.gradle … Read more
I tried to open the Groovy Shell (groovysh) on Windows 8 and got the following output: java.util.prefs.WindowsPreferences <init> WARNING: Could not open/create prefs root node Software\JavaSoft\Prefs at root 0x80000002. Windows RegCreateKeyEx(…) returned error code 5. After printing the above message the shell started as expected. 9 Answers 9
Looked around for this solution for much too long now, and I’m not sure if I missed it or just misstyped something, but my Gradle script will not compile. I am migrating to Gradle, and am very new with it. I am very used to using Maven for dependency management, but Gradle seems best me … Read more
Groovy adds the execute method to String to make executing shells fairly easy; println “ls”.execute().text but if an error happens, then there is no resulting output. Is there an easy way to get both the standard error and standard out? (other than creating a bunch of code to; create two threads to read both inputstreams, … Read more
Are comments possible in a Jenkinsfile? If so, what’s the syntax? I am using the declarative pipeline syntax. I want to comment out the “post” section below until my SMTP server is working. pipeline { agent { label ‘docker-build-slave’ } environment { IMAGE = ‘registry.gitlab.com/XXXXX/bible-server’ DOCKER_REGISTRY_CREDENTIALS = credentials(‘DOCKER_REGISTRY_CREDENTIALS’) } options { timeout(10) } stages { … Read more
I’ll explain by example: Elvis Operator (?: ) The “Elvis operator” is a shortening of Java’s ternary operator. One instance of where this is handy is for returning a ‘sensible default’ value if an expression resolves to false or null. A simple example might look like this: def gender = user.male ? “male” : “female” … Read more
I don’t understand gradle plugins block apply plugin: ‘someplugin1’ apply plugin: ‘maven’ and other one: plugins { id ‘org.hidetake.ssh’ version ‘1.1.2’ } In first block We have some plugin name. in second one package and version. I don’t understand where I should use first block and when second one. 3 Answers 3
