If a user inputs a file containing a list of plugins, the parsing of this file is done in the library. This should be moved to the CLI.
Just doing some updates: some of this task looks like it was covered in PR#3. This should be used to:
Should this also include making the parsing more robust?
Created separate task for making parsing more robust. https://issues.jenkins-ci.org/browse/JENKINS-58126
This was done in Phase 1 coding.