HowTo create a stable revision in SVN

1. On the repository server create the new relase branch as a copy the trunk branch.
   • svn copy https://subversion.gsi.de/cbmsoft/cbmroot/trunk https://subversion.gsi.de/cbmsoft/cbmroot/release/FEB16 -m"Release branch Feb16"
2. Checkout the new release version of CBMROOT.
   • svn co https://subversion.gsi.de/cbmsoft/cbmroot/release/FEB16 cbmroot_feb16
3. Enter directory
   • cd cbmroot_feb16
4. Change the properties of the external packages to the same revision
   • svn propedit svn:externals .
     • In the editor you have to add the revision to all line that means
       KF/KFParticle https://subversion.gsi.de/fairroot/cbmroot/development/mzyzak/KFParticle/KFParticle
       has to be changed to
       KF/KFParticle -r 28936 https://subversion.gsi.de/fairroot/cbmroot/development/mzyzak/KFParticle/KFParticle
   • There are also externals defined in the following directories
     • externals
     • test
5. Commit the changes to the server.
   • svn commit -m'Fix versions of external svn repositories.'

HowTo merge changes from the trunk in the release branch

1. If not existing, checkout a version of the release branch.
   • svn co https://subversion.gsi.de/cbmsoft/cbmroot/release/FEB16 cbmroot_feb16
2. Enter directory
   • cd cbmroot_feb16
3. Merge the needed commits from the trunk branch.
   • svn merge -c 9551 https://subversion.gsi.de/cbmsoft/cbmroot/trunk
4. Redo the previous step for all needed commits.
5. Commit the changes back to the server
   • svn commit -m"Backport revisions 9551 and 9552. Closes #3456."