Jenkins/Hudson recipe for updating all Plugins using the CLI

updateAllPlugins.groovy

def findPluginsWithUpdates = '''
Hudson.instance.pluginManager.plugins.inject([]) { List toUpdate, plugin ->
    if(plugin.hasUpdate())
    {
        toUpdate << plugin.shortName
    }
    toUpdate
}.inspect()
'''
OutputStream updateablePlugins = new ByteArrayOutputStream()
cliApi.runCliCommand(rootUrl, ['groovysh', findPluginsWithUpdates], System.in, updateablePlugins, System.err)

def listOfPlugins = Eval.me(parseOutput(updateablePlugins.toString()))
listOfPlugins.each{ plugin ->
    cliApi.runCliCommand(rootUrl, ['install-plugin', plugin])
}