How to get specific information about the current build project in Jenkins with Groovy?

Question

In Jenkins/Hudson, with the help of a Postbuild Groovy script, I would like to get one of the following:

• an environment variable (e.g. current JOB_NAME, BUILD_NUMB

Answer 1

Bo Persson had the best answer, but was a little short.

To access the environment variables from the build in the Groovy Postbuild, you can grab them from the build. This sample code is useful for dumping all of the BUILD's environment variables to the console:

manager.build.getEnvironment(manager.listener).each {
    manager.listener.logger.println(it);
}