[jira] [Commented] (LUCENE-4432) Make top-level default ant task print -projecthelp

["Robert Muir (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-4432?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13463413#comment-13463413 ] 

Robert Muir commented on LUCENE-4432:
-------------------------------------

Lets do it for the root definitely.

as far as things like lucene/ we just have to be more careful.

Specifically make sure BUILD.txt is correct if we change it (it currently 
instructs you to just type 'ant' to compile the core jar file).

                
> Make top-level default ant task print -projecthelp
> --------------------------------------------------
>
>                 Key: LUCENE-4432
>                 URL: https://issues.apache.org/jira/browse/LUCENE-4432
>             Project: Lucene - Core
>          Issue Type: Bug
>          Components: general/build
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>            Priority: Trivial
>             Fix For: 4.1, 5.0
>
>         Attachments: LUCENE-4432.patch
>
>
> The top-level ant default task runs test, which is confusing. Instead it should alias "-projecthelp". This is easily possible with a trick: invoke ant's main class with <java fork="false"/>.
> Solr has a good default task, it may also use the same trick, but I don't care here.
> Lucene's default task is jar-core... Maybe move the above task to common-build.xml and let all default targets depend on "-projecthelp" task from common-build.xml?

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