= Welcome to the NEMO development area

[[PageOutline(2-3)]]

You should find here everything regarding the development and the support of the NEMO reference.

== Prerequisites

=== Become a NEMO developer

First and foremost, if you don't already have a user account then you have to '''[/register create it]'''.

{{{#!td
==== For NEMO consortium members

If you have a user account or had a developer account before, \\
see with your local NEMO Officer.

{{{#!td

{{{#!SQLTable

SELECT value AS "Name" FROM session_attribute
WHERE name IN ('name') AND sid IN (SELECT sid FROM session_attribute WHERE name = 'role' AND value = 'Officer')

}}}

}}}
{{{#!td

{{{#!SQLTable

SELECT value AS "Office" FROM session_attribute 
WHERE sid IN (SELECT sid FROM session_attribute WHERE name = 'role' AND value = 'Officer') AND name = 'office'

}}}

}}}

}}}
{{{#!td
==== For external users

Submit your contribution to the NEMO System Team by \\
creating a [/newticket?type=Enhancement ticket] where you will present your proposal. \\
__If your changes are quite modest (one or few routines involved), \\
you can simply attached in the ticket the output of \\
any third-party diff tool for easy patching__.

''Keep in mind that, despite the help we can offer, a certain amount of \\
work from you will be need to implement \\
your developments into the source code''.
}}}

=== Recommended development installation

After the global reorganisation of the repository, it is now advisable to entirely download the new default development organisation in your 
* [browser:/NEMO/trunk]: ''the main development branch''
* [browser:/NEMO/branches]
  * NEMO/branches/YYYY: ''yearly development branches intended to be merged into trunk by the end of the year''
  * NEMO/branches/{NERC,UKMO}: ''restricted to British operational activities''
* [browser:/NEMO/releases]: ''all official NEMO releases'', '''only the last one is maintained'''

{{{#!sh
# One step  method: download directly a copy with write access) or
svn co svn+ssh://"ID"@forge.ipsl.jussieu.fr/ipsl/forge/projets/nemo/svn/NEMO [...]
# Two steps method: download a read-only copy and switch to developer when 
# * you have your developer access or
# * a backup of the work by committing to the repository is required
svn co http://forge.ipsl.jussieu.fr/nemo/svn/NEMO  [...]
...
svn sw --relocate http://forge.ipsl.jussieu.fr svn+ssh://"ID"@forge.ipsl.jussieu.fr/ipsl/forge/projets
}}}

=== 

If needed, you can learn the new [wiki:Developers/SVN_HowTo SVN basics] to work with the repository. 

== Development activities

Document your developments before coding by following the procedure described at [wiki:Developers/DevelopingCodeChanges]

== Support

[wiki:Developers/WorkingOnTickets]

== Forums

Discussion

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[wiki:Developers/FCMmake Information about FCM make]

[wiki:Developers/XIOSextras Information about new features in XIOS]