[jira] Created: (IVY-893) should generate a list of used licenses

["Jan Matèrne (JIRA)" <ji...@apache.org>]

<ivy:licenselist/> should generate a list of used licenses
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                 Key: IVY-893
                 URL: https://issues.apache.org/jira/browse/IVY-893
             Project: Ivy
          Issue Type: New Feature
          Components: Ant
            Reporter: Jan Matèrne


Based on the information in Ivy-files or POMs the Ivy Anttask <licenselist todir="" configuration=""/> should create a license file for each dependent component specified in the used configuration.

This was discussed on the mailinglist:

 

-----Ursprüngliche Nachricht-----
Von: Xavier Hanin 
Gesendet: Mittwoch, 3. September 2008 09:18
An: ivy-user@ant.apache.org
Betreff: Re: Creating a list of licenses

On Wed, Sep 3, 2008 at 7:45 AM, <Jan.Materne@> wrote:

> Ivy resolves dependencies and transitive dependencies.
> If my project P depends on A and B and B on C I will get   P --> A, B --> C  and download A,B and C.
> In Java projects these are typically jar-files.
>
> Each of these have a license (Default=unspecified).
> Could I get a list of licenses?
>    <ivy:createlist todir="build/licenses"/>
>
>    build/licenses: P.license, A-1.0.license, B-4.7.license, C-3.0.0.alpha.license
>
> (I hope it's clear what I mean ...)
>
> I think it's not possible at the moment as these license information are
> not available in a standardized way.
> But if I set up a company repository I could store these information.
>    //repository/A/1.0 : a.jar  ivy.xml   license.txt


Ivy already defines a way to define one or multiple licenses in your Ivy file. The license isn't considered as an artifact, but you can have a URL to the license:
http://ant.apache.org/ivy/history/latest-milestone/ivyfile/license.html

The dependency report collects information on the licenses for each dependency, so doing what you want based on this report is pretty easy. It would be interesting to make this part of Ivy since it's probably useful for many. Could you open an issue for that? And maybe we should find a better name than createlist for the task, sg more specific to license. Why not <ivy:licenselist todir="build/licenses" /> ?

One thing I realize is that it seems we don't parse this information in poms, so you won't get license information when you use poms to describe your modules. I'll fix this.

Xavier

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-----Ursprüngliche Nachricht-----
Von: Johannes Stamminger [mailto:Johannes.Stamminger@] 
Gesendet: Mittwoch, 3. September 2008 09:25
An: ivy-user@ant.apache.org
Betreff: Re: Creating a list of licenses

We faced same problem and handle the licenses as another artifact in our company repository: we defined a configuration "deploy" in which each lib provides it's license (for simplicity stored in rep as <jar name>.license) with type set to license. In ant build environment we access those with cachefilesets (for copying to release dir).


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