By default the tarballs will have the date in the name. If you don't want this you can add a FILE_SUFFIX
e.g to this command is used by Fuzion to a) use a remote called 'fuzion', b) use the branch 4.6.4rc1 from those repos & c) output using filenames like civicrm-4.6.5-drupal-nightly.tar.gz
By default the tarballs will have the date in the name. If you don't want this you can add a FILE_SUFFIX e.g., to this command as used by Fuzion to a) use a remote called 'fuzion', b) use the branch 4.6.4rc1 from those repos & c) output using filenames like civicrm-4.6.5-drupal-nightly.tar.gz