Produces a Jenkins plugins.txt with the updated versions of plugins.

getLatestVersionOfPluginsToMaven.groovy

//this will produce dependencies xml to be put into a dependencies block inside a pom.xml with the updated plugin version.
def plugins = Jenkins.instance.pluginManager.plugins.toSorted()
plugins.each { plugin ->
  def attrs = plugin.getManifest().mainAttributes
  def update = plugin.updateInfo
  def version = "${plugin.version}"
  if (update != null) {
  	version = "${update.version}"
    println "<!-- Upgraded ${plugin.shortName} from ${plugin.version} to ${update.version} -->"
  }
  println "<dependency>"
  println "    <groupId>${attrs.getValue('Group-Id')}</groupId>"
  println "    <artifactId>${plugin.shortName}</artifactId>"
  println "    <version>${version}</version>"
  println "</dependency>"
  println ""
}

getLatestVersionOfPluginsToTxt.groovy

//this will produce plugins.txt with the updated plugin version.
def plugins = Jenkins.instance.pluginManager.plugins.toSorted()
plugins.each { plugin ->
  def update = plugin.updateInfo
  def version = "${plugin.version}"
  if (update != null) {
    version = "${update.version}"
  	println "# Upgraded ${plugin.shortName} from ${plugin.version} to ${update.version}"
  }
  println "${plugin.shortName}:${version}"
}