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https://issues.apache.org/jira/browse/KARAF-1086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13168533#comment-13168533
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David Jencks commented on KARAF-1086:
-------------------------------------

The source directory structure is certainly unusual, but it results in being 
able to package a source maven project into a kar at an appropriate location 
without any maven plugin configurations.  I spent a few hours trying to create 
a source jar for the (embedded) demo project and unpacking it and repacking it 
into a kar but couldn't get anything to work.  All my attempts were very much 
more complicated and seemed really unmaintainable so when I thought of just 
using the expected directory structure for a kar I used it. I think having a 
simple and reliable way to generate demos is the most important goal here: very 
few people are going to be writing demos.

It would be easy to write a demo archetype that produced a project with the 
unusual directory structure ready for the actual demo to be inserted.  A demo 
packaging is also possible but I don't think expected usage warrants the work 
to maintain it.
                
> Create Kar for Karaf demos
> --------------------------
>
>                 Key: KARAF-1086
>                 URL: https://issues.apache.org/jira/browse/KARAF-1086
>             Project: Karaf
>          Issue Type: Task
>          Components: karaf-demo
>    Affects Versions: 3.0.0
>            Reporter: Jamie goodyear
>            Assignee: David Jencks
>             Fix For: 3.0.0
>
>         Attachments: Zrzut ekranu 2011-12-13 (godz. 16.53.54).png
>
>
> From IRC discussion:
> {code}
> djencks: right so I think the next thing would be to start working on a kar 
> project for the demos [18:15]
> jamieg: I'm going to split my JIRA for the kar demo in two -- one for the 
> features-maven plugin and the other for the karaf-maven plugin. They approach 
> creating kars differently [18:15]
> djencks: we could have a kar per demo or one that installs all the demos 
> yes.... AFAIK the features-maven-plugin doesn't actually work to create kars 
> which is why I've been hoping 3.0 could be released sooner rather than later  
> [18:16]
> jamieg:       very true, but it should according to the docs  [18:17]
> djencks: and, everything I've been saying is only about trunk/3.0.... [18:17]
> jamieg:       Oh yes, that i assumed :) I wouldn't change the packaging of 
> demos on a micro release 
> 2.x assemblies will pretty much stay as they are      [18:18]
> djencks: I think it would be great to find out if the manual instructions are 
> correct and comprehensible enough for someone other than me to set up a 
> working kar project to install the demos but if you like I could come up with 
> at least a start  [18:19]
> jamieg: Please feel free to jump in :) 
> djencks: I've been learning the kar functionality from the docs and from 
> chatting with you ;) 
> and others    [18:20]
> djencks: ok do you think it would be better to have each demo individually 
> installable or have all the demos in one kar?      [18:20]
> jamieg: good question :)      [18:21]
> djencks:if we decided "individually" we could have a demo archetype but it 
> ends up with almost twice as many projects [18:22]
> jamieg: or if we go for 'all' its simple at least 
> djencks: do we gain anything from individual demos? 
> djencks: an demo archtype could be useful for custom distro builders 
> ... 
> djencks: perhaps all for 3.0, then individual for 3.1? 
> djencks: gets things done fast for 3.0 then build our better functionality 
> for 3.1?   [18:22]
> djencks: I'll start with an "all" and see how it goes [18:24]
> jamieg: (just trying to manage feature creep - a lot of people are really 
> calling for 3.0.0)  [18:24]
> djencks: (in particular me :-)        [18:24]
> jamieg:       hehe    [18:24]
> djencks: ok, good, we have a plan.... have to go now for a bit... thanks!
> {code}

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