I've started to make this change. Note that there is some impact when upgrading:
Script authors need to use `@Grab('info.picocli:*picocli-groovy*:4.x')` from version 4.0, since `@Grab('info.picocli:picocli:4.x')` will not work. On Sat, Jun 1, 2019 at 1:28 AM MG <mg...@arscreat.com> wrote: > Hi Remko, > > I agree option 1) is the cleanest, as well as it being the direction all > of Groovy seems to be moving. > > Cheers, > mg > > > On 30/05/2019 14:50, Remko Popma wrote: > > Hi, > > I maintain the picocli library for creating command line applications in > Groovy, Java, and other JVM languages. > I have a question for the Groovy community (both users and developers): > > Currently, the picocli main jar contains both the core `picocli` package > and a `picocli.groovy` package with classes that make it easy for Groovy > scripts to use picocli annotations. I'm considering splitting up this jar. > > In an upcoming major release of the library I plan to provide a Java 9 > JPMS modular jar containing just the core `picocli` package and > additionally a `module-info.class` to make this jar a full-fledged Java > module. > > The question is what to do with the picocli.groovy package. I see two > options: > 1) have a `picocli-groovy` jar containing _only_ the picocli.groovy > package - this jar would require (have a dependency on) the core picocli > jar (the JPMS modular jar). Ideally this `picocli-groovy` jar would also be > a JPMS module, but not sure if that's possible. > 2) have a `picocli-legacy?` (name TBD) jar containing both the core > picocli package and the picocli.groovy package - similar to the current > picocli-3.9.x jar > > I believe the first option may be cleanest. Scripts would need to change > their grape module from @Grab('info.picocli:picocli:$version') to > @Grab('info.picocli:picocli-groovy:4.0.0') and that would bring in the > transitive dependency on 'info.picocli:picocli:4.0.0', if my understanding > is correct. > > Can anyone see any drawbacks with this approach? > Would there be any point in additionally providing a `picocli-legacy` > (name TBD) jar containing both the core picocli package and the > picocli.groovy package, similar to the current picocli-3.9.x jar? > > On a side-note, has anyone had any issues with putting the > `module-info.class` in the root of the modular jar versus putting it in > META-INF/versions/9/ in the jar? > Some people <https://github.com/moditect/moditect/issues/67> use > META-INF/versions/9/ as a way to (hopefully) avoid issues with older tools > unable to cope with the `module-info.class`. Does anyone have any > experience with this? > > Remko > > >