[jira] [Closed] (GROOVY-9165) Grape cannot pull in picocli

["Paul King (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GROOVY-9165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Paul King closed GROOVY-9165.
-----------------------------

> Grape cannot pull in picocli
> ----------------------------
>
>                 Key: GROOVY-9165
>                 URL: https://issues.apache.org/jira/browse/GROOVY-9165
>             Project: Groovy
>          Issue Type: Improvement
>          Components: Grape, groovy-runtime
>    Affects Versions: 2.5.0, 2.5.1, 2.5.2, 2.5.3, 2.5.4, 2.5.5, 2.5.6, 2.5.7
>            Reporter: Remko Popma
>            Assignee: Paul King
>            Priority: Major
>             Fix For: 3.0.0-beta-2
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> If I try to run a Groovy script I am unable to pull in a newer version of picocli via {{@Grab}}:
> {code:groovy}
> @Grab('info.picocli:picocli-groovy:4.0.0-beta-1b')
> @GrabExclude('org.codehaus.groovy:groovy-all')
> @picocli.groovy.PicocliScript
> @picocli.CommandLine.Command
> import picocli.CommandLine
> println "Groovy version ${GroovySystem.version}"
> println "Picocli version $CommandLine.VERSION"
>  {code}
> Depending on the Groovy version, this prints 
> {code}
> Groovy version 2.5.0
> Picocli version 3.0.2
> {code}
> or 
> {code}
> Groovy version 2.5.7
> Picocli version 3.9.5
> {code}
> So the {{@Grab('info.picocli:picocli-groovy:4.0.0-beta-1b')}} is not honoured.
> This is because the {{groovy.ui.GroovyMain}} class, which executes Groovy scripts, itself uses picocli to parse the command line parameters. Unfortunately, this means that Groovy script authors cannot control the picocli version used by their scripts.
> Is there anything we can do to improve this?



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