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http://jira.codehaus.org/browse/MNG-2166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_95903
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Stefano Bagnara commented on MNG-2166:
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I was just adding a similar bug report.
Having at least an informative "mvn help" would really help.
I keep adding "BUILDING.txt" files to my projects to tell people what mvn
commands they have to use to create the site, to create the package, to run
some other plugin I configured in specific profiles and so on.
Even a simple plugin (maven-help-plugin) that answer by default a text written
in the pom would be a big step forward, then having a property for a default
target to be invoked (defaulting to the "maven-help-plugin", but possibily
overridable with package, site:stage or anything wirtten in the pom) would be a
great solution (similar to what we had in ant)
this "maven-help-plugin" could support inline text or a reference to a file to
be shown or any other more advanced feature (automatically output help for the
more common goals).
> Provide the help listing as default when no arguments are provided
> ------------------------------------------------------------------
>
> Key: MNG-2166
> URL: http://jira.codehaus.org/browse/MNG-2166
> Project: Maven 2
> Issue Type: New Feature
> Components: Command Line
> Affects Versions: 2.0, 2.0.1, 2.0.2
> Environment: Any
> Reporter: Andre Ranvik
> Priority: Minor
> Fix For: 2.2.x
>
>
> When just writing "mvn" with no arguments on the command line I get a message
> such as this:
> >mvn
> [INFO] Scanning for projects...
> [INFO]
> ----------------------------------------------------------------------------
> [ERROR] BUILD FAILURE
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] You must specify at least one goal. Try 'install'
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] For more information, run Maven with the -e switch
> [INFO]
> ----------------------------------------------------------------------------
> [INFO] Total time: < 1 second
> [INFO] Finished at: Wed Mar 22 09:15:04 CET 2006
> [INFO] Final Memory: 1M/2M
> [INFO]
> ----------------------------------------------------------------------------
> Many new users to maven or any other such tools are used to getting at least
> some basic info of what is expected. How about just displaying the listing
> that shows up when a user writes "mvn -h" as default when no arguments are
> privided? This is also a feature that most other similar products have. I
> also would suggest printing a URL for where they can get basic information
> for how to use maven.
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