Basic SVN commands

gistfile1.txt

#initial import to repository
$ cd project_dir
$ mkdir branches tags trunk
$ svn import . http://repository/

#checkout a working copy
$ cd project_dir
$ svn co http://repository/trunk . --username your_username

#creating a new branch
$ svn copy http://repository/trunk http://repository/branches/new_branch_name

#merging trunk changes to a branch
$ cd branch_working_copy
$ svn merge http://repository/trunk
$ svn commit -m "merged latest trunk changes to my branch"

#merging branch back to trunk
$ cd trunk_working_copy
$ svn up
$ svn merge --reintegrate http://repository/branches/branch_name
....do some test and make sure everything is working....
$ svn commit -m "merge branch_name back into trunk"
$ svn delete http://repository/branches/branch_name -m "remove branch_name"

#rollback to previous revision
$ cd trunk_working_copy
$ svn up
$ svn merge --dry-run -r:15:11 http://repository/trunk
... check if changes are fine ...
$ svn merge -r:15:11 http://repository/trunk
$ svn commit -m "reverted to revision 11"