/[MITgcm]/MITgcm/doc/devel_HOWTO.sgml
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revision 1.11 by jmc, Sun Apr 25 20:04:45 2010 UTC revision 1.12 by dimitri, Tue Apr 27 04:03:45 2010 UTC
# Line 202  Line 202 
202    
203        <para>As shown in the online <ulink        <para>As shown in the online <ulink
204        url="http://mitgcm.org/viewvc/MITgcm/MITgcm/model/src/forward_step.F?view=graph">        url="http://mitgcm.org/viewvc/MITgcm/MITgcm/model/src/forward_step.F?view=graph">
205        ViewCVS-generated tree</ulink>, the MITgcm codebase is split into to two        ViewCVS-generated tree</ulink>, the MITgcm codebase is split into
206        branches or "lines" under which development proceeds.  These two lines are        branches or "lines" under which development proceeds.  The main line
207        referred to as the "MAIN" and "ecco" versions of the code.  While not        of development is referred to as the "MAIN" version of the code.
       identical, the bulk of the MAIN and ecco lines are composed of files from  
       the same codebase.  
208        </para>        </para>
209    
210        <para>Periodically, a "Release" branch is formed from the "MAIN"        <para>Periodically, a "Release" branch is formed from the "MAIN"
211        development branch.  This is done in order to create a relatively stable        development branch.  This is done in order to create a relatively stable
212        reference point for both users and developers.  The intent is that once a        reference point for both users and developers.  The intent is that once a
213        relese branch has been created, only bug-fixes will be added to it.        release branch has been created, only bug-fixes will be added to it.
214        Meanwhile, development (which might "break" or otherwise render invalid        Meanwhile, development (which might "break" or otherwise render invalid
215        the documentation, tutorials, and/or examples contained within a release        the documentation, tutorials, and/or examples contained within a release
216        branch) is allowed to continue along the MAIN and ecco lines.</para>        branch) is allowed to continue along the MAIN line.</para>
217      </sect2>      </sect2>
218    
219      <sect2>      <sect2>
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