If you have a list of files in a source repository that you would like SVN to ignore you can specify them by issuing the following command:
svn propedit svn:ignore .
This command pushes you to an editor window where you simply add the files/directories you would like to exclude from the repository.
Once dirctories have been added, you’ll no longer seem them flagged when you type:
Typically, people tend to add their build directory and similar temporary files/directories.
Don’t forget to commit your changes:
svn commit .