The author of https://issues.apache.org/jira/projects/MJARSIGNER/issues/MJARSIGNER-62 would like to use a 2-element additional argument to the jarsigner command line. The author believes that the problem they are having is that maven-jarsigner-plugin (on top of the https://github.com/apache/maven-jarsigner project) is quoting the arguments, and that is causing the problem.

I believe that the author is not correct: it is how the arguments were used by the author that is the problem. But I still think that the author has a good point. I my opinion the arguments parameter is not properly documented. You must be experienced with Maven to understand how to use it. I have used Maven for many years, and I still have problems with this. This pull request improves the documentation, so it is understandable for even a novice Maven user. When this pull request is accepted, I think that MJARSIGNER-62 can be closed.

As an example, the -certchain is used in the ticket description. For this specific parameter there already exists a dedicated parameter. If/when #14 is accepted this will also have a correct documentation on https://maven.apache.org/plugins/maven-jarsigner-plugin/sign-mojo.html

As an example, in this pull request, I have selected a parameter that maven-jarsigner-plugin does not have support for: -signedjar file. This is a good parameter as an example because I don’t think maven-jarsigner-plugin will implement support for this (since maven-jarsigner-plugin is used to sign many jarfiles, it does not make sense to overwrite every jar into a single output jarfile).

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