Jenkins how to get list of installed plugins for docker

This way is a very comfortable way to get a list of installed plugins for Jenkins in the form to use later in plugins.txt for docker.

Go to http://<jenkins-url>/script
To get the jenkins script console
Put the below command into the form and press Run
Jenkins.instance.pluginManager.plugins.each{ plugin -> println ("${plugin.getShortName()}:${plugin.getVersion()}") }
As result you will see a list of installed plugins

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