= Downloading GRASS Source =

== Packaged Source ==

All source releases are available for download from:

  * http://download.osgeo.org/grass

= Subversion =

The GRASS GIS software lives in the [http://subversion.tigris.org/ Subversion] source control system. It can be browsed online using the [http://trac.osgeo.org/grass/browser Browse Source] button on the top bar.

With the subversion client software installed, the current development version can be extracted using the command:

{{{
  svn checkout https://svn.osgeo.org/grass/grass/trunk grass
}}}

To extract the current stable version use the command:

{{{
  svn checkout https://svn.osgeo.org/grass/grass/branches/releasebranch_6_2 grass
}}}

Update access to the Subversion repository is governed by [http://download.osgeo.org/grass/grass6_progman/rfc/rfc2_psc.html RFC 2: Legal aspects of code contributions]. Commiters should take care to use https for access, and use their [http://www.osgeo.org/osgeo_userid OSGeo Userid] for authentication. A commit command might look something like:

{{{
  svn commit -m "Distinguish between raster and vector backends (bug #999)" main.c --username glynn
}}}