**                  --flat             The whole dump is a single branch
**                  --rev-tags         Tag each revision, implied by -i
**                  --no-rev-tags      Disables tagging effect of -i
**                  --rename-rev PAT   Rev tag names, default "svn-rev-%"
**                  --ignore-tree DIR  Ignores subtree rooted at DIR
**
** Common Options:
**   -i|--incremental     allow importing into an existing repository
**   -f|--force           overwrite repository if already exists
**   -q|--quiet           omit progress output
**   --no-rebuild         skip the "rebuilding metadata" step
**   --no-vacuum          skip the final VACUUM of the database file
**   --rename-trunk NAME  use NAME as name of imported trunk branch
**   --rename-branch PAT  rename all branch names using PAT pattern
**   --rename-tag PAT     rename all tag names using PAT pattern
**   -A|--admin-user NAME use NAME for the admin user 
**
** The --incremental option allows an existing repository to be extended
** with new content.  The --rename-* options may be useful to avoid name
** conflicts when using the --incremental option. The --admin-user
** option is ignored if --incremental is specified.
**
** The argument to --rename-* contains one "%" character to be replaced