[jbosstools-dev] Kepler M5 target platform sources have moved to a new github repo

[Mickael Istria]

> $ mvn clean install -Dmaven.repo.local=/home/jeremy/.m2/repository1 
> -DskipTests=true  -P maximum
>
> Am I wrong in thinking that resulting TP in my "repository1" is to be 
> used when building & testing my components with the mvn clean install 
> command and specifying -Dmaven.repo.local=/home/jeremy/.m2/repository1 ?
Further builds won't use the Target Platfrom in repository1. I don't 
think you gain anything with this approach compared to the default one 
which is to consume it from Nexus.

A target-platform contains reference to some site. Those site are used 
*at build-time* by your components build to resolve the dependencies.
The caching in Tycho does not work the same way as caching in Maven. 
Building the target-platform locally is not enough to save some time. 
Moreover, Tycho adds dependencies to its cache when you run a "normal" 
build of your component. Trying to pre-fill cache won't make you save 
time, it will even take more time as it will try to fetch stuff that may 
not be useful to you.

In a nutshell, running a local build of TP as you describe here is useless.

If you want to save some time, then you can have a look in the 
jbosstools/multiple/multiple.target.repo folder. Here is a mirror site 
of the target platfrom. You can then define it as a mirror of the 
unified site in your settings.xml: 
http://wiki.eclipse.org/Tycho/Target_Platform/Authentication_and_Mirrors 
. But this will require you to maintain the mapping between TP version 
and local site in your settings.xml. That can be a source of errors.

How much time does it take to make a build on your machine?
I'm expected that setting up Akamai  ( 
https://issues.jboss.org/browse/JBIDE-13283 ) will speed up most 
downloads from download.jboss.org/tools so you won't have to deal with 
some much error-prone workflows to save some build time.
-- 
Mickael Istria
Eclipse developer at JBoss, by Red Hat <http://www.jboss.org/tools>
My blog <http://mickaelistria.wordpress.com> - My Tweets 
<http://twitter.com/mickaelistria>
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