Hello community, Hello Google Summer of Code students,
First of all, congratulations on your applications and your activity during
the selection period, and welcome in the XWiki development team.
Before guiding the accepted students to their next steps, we'd like to
thank again all those who showed interest in XWiki for this Summer of Code.
We had a lot of good applications this year, with professional approaches
and interesting ideas, and it was very difficult to choose. Unfortunately,
some very good students, with great potential, were not accepted. So, to
those interested in getting involved anyway, without Google's implication,
I renew the invitation to put your ideas in practice under the guidance of
the community. Even though the money will be missing, you can still take
advantage of the other GSoC benefits: learning new things, gaining
experience, earning recognition, etc . If you would like to do that,
please let us know by replying to this mail.
For the accepted students, here are some getting started hints:
= Community bonding period =
According to the program timeline , the next month (until - May 27th) is
to be used for community bonding.
The first thing to do, sometime this week, is to present yourself and your
project on the dev list, so that everyone knows who you are and what to
expect from you. A precondition to being able to send mails to the devs
list is to first be subscribed [2.1] to it, which you __need to do ASAP__
if you haven't already.
Also, you should continue getting acquainted with the code, the practices
and the developers. Please make sure you all read and understand the
following - very useful - documents:
-  http://dev.xwiki.org/xwiki/bin/view/Community/
-  http://platform.xwiki.org/xwiki/bin/view/DevGuide/
-  http://platform.xwiki.org/xwiki/bin/view/Features/
= Mentorship =
We prefer open mentorship. While your assigned mentor is the one officially
in charge with your guidance, almost all interaction should be done 'in the
open' as much as possible, on the IRC channel or on the mailing list. You
should choose the communication medium according to the importance of the
matters to be discussed: naturally, the less important issues are to be
discussed on IRC/Matrix, while the design decisions, important progress
announcements and testing/feedback requests go on the devs list. This way,
the community is informed on the evolution of your project, and other
developers can come up any time with useful ideas and suggestions.
Moreover, if your mentor is "hit by a bus" (the bus factor ), another
developer can take his place with little effort.
= Communication =
Sitting alone in your room, working secretly on your project is definitely
a __bad__ approach. However, please keep in mind that too much
communication can also be harmful, as it distracts the others from their
own work. You need to be able to communicate just right:
- provide meaningful information about your progress,
- ask the community's opinion on non-trivial design or implementation
- avoid wasting a lot of time on a problem, when a more experienced
developer (or a student that fought the same problem) could quickly provide
you an answer; however, do try to find the answer yourself at first.
Wrong: "Where do I start? What do I do now? And how do I do that? Is this
good? It doesn't work, help me!"
Right: "Since a couple of hours ago I get a strange exception when building
my project, and googling for a solution doesn't seem to help. Looking at
the error, I think that there's a wrong setting for the assembly plugin,
but nothing I tried works. Can someone please take a look?"
Subscribe to the devs list (if you didn't do this already), and start
monitoring the discussions. It is also recommended to register on the users
forum, but not mandatory. The notifications list is a little too high
volume and technical for the moment, but it is a great knowledge source.
Also, try to make sure that you're generally available on chat (IRC/Matrix)
in order to have a better view on the daily discussions, get involved and
generally be easily reachable, should your mentors or any of the students
want to easily get a hold of you. Generally speaking, if you are online
(working on your project), you should also be available on the chat, just
= Development process =
The project's lifecycle is NOT design -> implementation -> testing ->
We invite you to adopt a test driven development  approach and to
experience agile development . After the first coding week, you must
have some code that works. It won't do much, of course, but it will be the
seed of your project. Every functionality will be validated by tests. The
code must be properly tested and commented at the time of the writing
(don't think you'll do that afterwards, because in most cases you won't).
Since our code is hosted on GitHub , you should register an account
there and fork some xwiki repositories, so that you can try to build XWiki
from sources, and be able to contribute bugfixes. We'll add you to the
xwiki-contrib organization , and we'll create dedicated repositories
for each project. We encourage you to do __at least__ weekly commits
(ideally, if you are well organized, you should be able to commit code that
works daily, so try to aim at daily commits). This way, the code can be
properly reviewed, and any problems can be detected before they grow into
something too difficult to fix. One big code blob committed at the end, no
matter how good it may seem, is a failure at several levels.
A simple way of having something functional in the first week is to prepare
the maven build for your modules, which will give you the first unit test
for the first class.
= Next steps, in a nutshell =
- Get more familiar with the code and development process and try to master
Maven, JUnit, Selenium, component driven development, ...
- Continue fixing a few small issues, chosen so that they are __related to
your project__. You can ask on IRC for help selecting good issues, or you
can pick from the (non-comprehensive) list of easy issues 
-- This will help you get more familiar with the code your project needs to
- Refine and organize the ideas concerning your project (you can use the
Drafts space ), and write several use case scenarios.
- Start writing the first piece of code for your project.
At the end of the community bonding period, you should have a clear vision
of the project, well documented on the xwiki.org wiki, you should have the
build infrastructure ready, and you should be pretty familiar with the
existing code you will need to interact with. And, of course, you should be
familiar with the community and the way we communicate.
Good luck, and may we all have a great Summer of Code!
-The XWiki Development Team
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