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http://jira.codehaus.org/browse/MNG-3511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Work on MNG-3511 started by John Casey.
> Review fix for MNG-2166
> -----------------------
>
> Key: MNG-3511
> URL: http://jira.codehaus.org/browse/MNG-3511
> Project: Maven 2
> Issue Type: Improvement
> Components: Command Line
> Affects Versions: 2.0.8
> Reporter: Benjamin Bentmann
> Assignee: John Casey
> Priority: Minor
> Fix For: 2.0.10
>
> Attachments: no-goal-help.patch
>
>
> As requested by Brett in MNG-3276, here a new issue. My relevant comment over
> at the other issue:
> I still consider the output from Maven quite unhelpful in this case. Please
> consider that Maven is just a tool/utility for developers and hence not
> everybody out there will spend time to get through the documentation. Some
> peoply simply want to "use" Maven, not understand how it works.
> The Ant scripts that I am trying to replace in our organization all provided
> some help about the current project and the available targets using the echo
> task when the default target was executed. This allowed newbies to quickly
> figure out how to perform build steps without ever reading the Ant manual.
> Surely, once you know Maven's lifecycle you never need such help targets but
> especially old Ant geeks need some easy way of migrating into Maven land.
> The attached patch should provide the following console output:
> {noformat}
> [INFO] Scanning for projects...
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO]
> You must specify at least one goal or lifecycle phase to perform build steps.
> The following list illustrates some commonly used build commands:
> mvn clean
> Deletes any build output (e.g. class files or JARs).
> mvn test
> Runs the unit tests for the project.
> mvn install
> Copies the project artifacts into your local repository.
> mvn deploy
> Copies the project artifacts into the remote repository.
> mvn site
> Creates project documentation (e.g. reports or Javadoc).
> Please see
> http://maven.apache.org/guides/introduction/introduction-to-the-lifecycle.html
> for a complete description of available lifecycle phases.
> Use "mvn -?" to show general usage information about Maven's command line.
> [INFO]
> ------------------------------------------------------------------------
> [INFO] For more information, run Maven with the -e switch
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 1 second
> [INFO] Finished at: Mon Oct 22 20:48:42 EDT 2007
> [INFO] Final Memory: 1M/4M
> [INFO]
> ------------------------------------------------------------------------
> {noformat}
> This output is intended to show further comon use-cases than just "install".
> Besides, the user is pointed to a concrete URL with helpful information for
> his actual need (personally, I consider pointing people at home pages as
> helpful as telling to use Google... information should be found, not searched)
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