Afaik, those files are a kind of jar files, you can unzip them, and open the manifest.MF file which contains that version information and their dependencies, which is allocated in the meta-inf folder.
look at the puppet jenkins module since it uses that implementation to check whether the version is new one. https://github.com/jenkinsci/puppet-jenkins I hope it helps -- You received this message because you are subscribed to the Google Groups "Jenkins Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-users/666f950c-35bf-4c91-a195-3342b207ed49%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
