[jira] Commented: (MDEP-26) New goal to write classpath string with all dependencies from local repo

["Brian Fox (JIRA)" <ji...@codehaus.org>]

    [ http://jira.codehaus.org/browse/MDEP-26?page=comments#action_81821 ] 
            
Brian Fox commented on MDEP-26:
-------------------------------

I'm looking at this mojo now. I see lots of code related to determining if the classpath file needs to be updated. What's the harm in just writing  new one every execution? It seems like in the long run it's actually less intensive than comparing all the values and the code is much simpler.

> New goal to write classpath string with all dependencies from local repo
> ------------------------------------------------------------------------
>
>                 Key: MDEP-26
>                 URL: http://jira.codehaus.org/browse/MDEP-26
>             Project: Maven 2.x Dependency Plugin
>          Issue Type: New Feature
>    Affects Versions: 1.0
>            Reporter: Anagnostopoulos Kostis
>         Assigned To: Brian Fox
>            Priority: Minor
>         Attachments: MDEP-26_BuildClasspathMojo.java
>
>
> Hi to all,
> 'm wondering whether it would be usefull to make a new mojo that when executed it will output a text file containing the required classpath string to run a project directly from the local repository.
> For instance, the file would contain a classpath string like that :
> {noformat}  
>     /home/foo/.m2/repository/org/java/utils/util/util-1.0.jar:/home/foo/.m2/ ....
> {noformat}  
> The result file could then be used like that:
> {noformat}  
>     java -cp `cat resultFile` MyClass
> {noformat}  
> The new goal should maybe a sub-class of AbstractFromDependenciesMojo.
> In that case, the "useSubDirectoryPerType" and "useSubDirectoryPerArtifact" params should move to (copy/unpack)-dependencies mojo classes.  Anyway, these params are only used by sub-classes, so, their definition should be propably inside of those.
> Next are the parameters of the mojo i propose:
> ----
> goal name: dependency:printClasspath
> params:
> || Param Name || Type || Description
> | outputFile        | File     | The file to write the classpath string into. |
> | overwrite          | boolean|  If true, re-write file even when nothing has changed. |
> | includeTypes  | String | Comma Separated list of Types to include. |
> | excludeTypes | String | Comma Separated list of Types to exclude |
> | includeProjectArtifact| boolean | see [this issue|http://jira.codehaus.org/browse/MDEP-25]. |

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